<?php
/**
 * Fociz Dagplanning, Focus Modus & Time-blocking
 * Gekoppeld aan Microsoft Outlook 365 (Agenda) en Atlassian Jira (Tickets)
 */

require_once __DIR__ . '/includes/header.php';
require_once __DIR__ . '/includes/integrations/microsoft.php';
require_once __DIR__ . '/includes/integrations/jira.php';

$db = get_db_connection();
$userId = $currentUser['id'];
$today = date('Y-m-d');

// 1. Haal dagplanning op of maak aan
$stmtPlan = $db->prepare("SELECT * FROM daily_plans WHERE user_id = ? AND plan_date = ?");
$stmtPlan->execute([$userId, $today]);
$dailyPlan = $stmtPlan->fetch();

if (!$dailyPlan) {
    $stmtCreatePlan = $db->prepare("
        INSERT INTO daily_plans (user_id, plan_date, focus_goal) 
        VALUES (?, ?, 'Mijn belangrijkste doel van vandaag behalen')
    ");
    $stmtCreatePlan->execute([$userId, $today]);
    $planId = (int)$db->lastInsertId();
    $dailyPlan = ['id' => $planId, 'plan_date' => $today, 'focus_goal' => 'Mijn belangrijkste doel van vandaag behalen', 'notes' => ''];
}

// 2. Haal taken op voor vandaag
$stmtTasks = $db->prepare("
    SELECT * FROM tasks 
    WHERE user_id = ? AND (daily_plan_id = ? OR daily_plan_id IS NULL)
    ORDER BY is_completed ASC, priority ASC, time_block_start ASC, created_at DESC
");
$stmtTasks->execute([$userId, $dailyPlan['id']]);
$tasks = $stmtTasks->fetchAll();

// 3. Haal integratiestatussen op
$stmtInt = $db->prepare("SELECT * FROM integrations WHERE user_id = ?");
$stmtInt->execute([$userId]);
$userIntegrations = [];
foreach ($stmtInt->fetchAll() as $row) {
    $userIntegrations[$row['provider']] = $row;
}

$isOutlookConnected = !empty($userIntegrations['OUTLOOK']['access_token']) && empty($userIntegrations['OUTLOOK']['is_demo_mode']);
$outlookEvents = [];
$isLiveOutlook = false;

if ($isOutlookConnected) {
    $outlookEvents = microsoft_fetch_today_events($userId, $today);
    $isLiveOutlook = !empty($outlookEvents) || true; // Live koppeling is actief
}

// Fallback naar sandbox data indien Outlook niet live gekoppeld is
if (!$isOutlookConnected || empty($outlookEvents)) {
    $outlookEvents = [
        [
            'id' => 'evt-1',
            'subject' => 'Daily Team Standup & Focus Sync',
            'start' => '09:00',
            'end' => '09:30',
            'location' => 'Microsoft Teams',
            'meeting_url' => 'https://teams.microsoft.com',
            'source' => 'SANDBOX',
        ],
        [
            'id' => 'evt-2',
            'subject' => 'Sprint & Roadmap Review met Stakeholders',
            'start' => '11:00',
            'end' => '12:00',
            'location' => 'Vergaderruimte A & Teams',
            'meeting_url' => 'https://teams.microsoft.com',
            'source' => 'SANDBOX',
        ],
        [
            'id' => 'evt-3',
            'subject' => 'Architectuur & MariaDB Database Evaluatie',
            'start' => '14:30',
            'end' => '15:30',
            'location' => 'Online Teams Call',
            'meeting_url' => 'https://teams.microsoft.com',
            'source' => 'SANDBOX',
        ]
    ];
}

// 4. Haal Jira issues op voor de snelle import widget
$jiraData = jira_get_user_issues($userId);
$jiraIssues = $jiraData['issues'] ?? [];
$isJiraLive = !empty($jiraData['success']) && empty($jiraData['is_demo']);

// 5. Tijdlijn uren bepalen
$startHour = 8;
$endHour = 18;
foreach ($outlookEvents as $e) {
    if (!empty($e['start'])) {
        $h = (int)explode(':', $e['start'])[0];
        if ($h < $startHour && $h >= 6) $startHour = $h;
        if ($h > $endHour && $h <= 22) $endHour = $h + 1;
    }
}
$hours = [];
for ($h = $startHour; $h <= $endHour; $h++) {
    $hours[] = sprintf('%02d:00', $h);
}

// Nederlandse datumformattering
$dutchDays = ['Zondag', 'Maandag', 'Dinsdag', 'Woensdag', 'Donderdag', 'Vrijdag', 'Zaterdag'];
$dutchMonths = ['', 'januari', 'februari', 'maart', 'april', 'mei', 'juni', 'juli', 'augustus', 'september', 'oktober', 'november', 'december'];
$formattedDate = $dutchDays[date('w')] . ' ' . date('j') . ' ' . $dutchMonths[(int)date('n')] . ' ' . date('Y');
?>

<div class="space-y-6">
    <!-- Top Banner: Datum, Hoofddoel & Integraties Status -->
    <div class="bg-gradient-to-r from-slate-900 via-[#0e1626] to-slate-900 border border-slate-800 rounded-2xl p-6 shadow-2xl">
        <div class="flex flex-col lg:flex-row lg:items-center justify-between gap-4">
            <div>
                <div class="flex items-center space-x-2 text-emerald-400 text-xs font-semibold uppercase tracking-wider mb-1">
                    <i data-lucide="calendar" class="w-4 h-4"></i>
                    <span><?= htmlspecialchars($formattedDate) ?></span>
                </div>
                <h1 class="text-2xl sm:text-3xl font-black text-white tracking-tight">
                    Dagplanning & Structuur
                </h1>
            </div>

            <!-- Integratie Status Badges -->
            <div class="flex flex-wrap items-center gap-2">
                <?php if ($isOutlookConnected): ?>
                    <div class="flex items-center space-x-2 px-3 py-1.5 rounded-xl bg-blue-950/60 border border-blue-800/60 text-blue-300 text-xs font-medium">
                        <span class="w-2 h-2 rounded-full bg-emerald-400 animate-pulse"></span>
                        <span>Outlook 365 Live</span>
                        <button onclick="location.reload()" title="Agenda Verversen" class="p-1 text-blue-400 hover:text-white rounded transition">
                            <i data-lucide="refresh-cw" class="w-3 h-3"></i>
                        </button>
                    </div>
                <?php else: ?>
                    <a href="/integrations.php" class="flex items-center space-x-1.5 px-3 py-1.5 rounded-xl bg-slate-800/80 border border-slate-700 text-slate-300 hover:text-white hover:bg-slate-700 text-xs font-medium transition">
                        <i data-lucide="link-2" class="w-3.5 h-3.5 text-blue-400"></i>
                        <span>Koppel Outlook</span>
                    </a>
                <?php endif; ?>

                <?php if ($isJiraLive): ?>
                    <a href="#jiraPanel" class="flex items-center space-x-1.5 px-3 py-1.5 rounded-xl bg-sky-950/60 border border-sky-800/60 text-sky-300 hover:text-white text-xs font-medium transition">
                        <span class="w-2 h-2 rounded-full bg-sky-400 animate-pulse"></span>
                        <span>Jira: <?= count($jiraIssues) ?> tickets</span>
                    </a>
                <?php else: ?>
                    <a href="/integrations.php" class="flex items-center space-x-1.5 px-3 py-1.5 rounded-xl bg-slate-800/80 border border-slate-700 text-slate-300 hover:text-white hover:bg-slate-700 text-xs font-medium transition">
                        <i data-lucide="trello" class="w-3.5 h-3.5 text-sky-400"></i>
                        <span>Koppel Jira</span>
                    </a>
                <?php endif; ?>
            </div>
        </div>

        <!-- Dagdoel invoerveld -->
        <div class="mt-5 pt-4 border-t border-slate-800/80">
            <label class="block text-xs font-bold text-emerald-400 uppercase tracking-wider mb-1.5 flex items-center space-x-1.5">
                <i data-lucide="target" class="w-4 h-4"></i>
                <span>Mijn Belangrijkste Dagdoel (Nummer 1 Focus)</span>
            </label>
            <div class="flex items-center space-x-2">
                <input 
                    type="text" 
                    id="focusGoalInput"
                    value="<?= htmlspecialchars($dailyPlan['focus_goal'] ?? '') ?>"
                    placeholder="Wat moet er vandaag absoluut gebeuren voor succes?" 
                    class="flex-1 bg-slate-950/70 border border-slate-700/80 rounded-xl px-4 py-2.5 text-white placeholder-slate-500 text-sm focus:outline-none focus:ring-2 focus:ring-emerald-500/50 focus:border-emerald-500 font-medium transition"
                >
                <button 
                    onclick="saveGoal()" 
                    id="saveGoalBtn"
                    class="px-4 py-2.5 bg-emerald-500 hover:bg-emerald-600 text-slate-950 font-bold text-xs rounded-xl transition flex items-center space-x-1 shadow-md shadow-emerald-500/20"
                >
                    <i data-lucide="check-circle-2" class="w-4 h-4"></i>
                    <span>Opslaan</span>
                </button>
            </div>
        </div>
    </div>

    <!-- Main Grid: Timer + Takenlijst + Jira (Links) & Timeblocking (Rechts) -->
    <div class="grid grid-cols-1 lg:grid-cols-12 gap-6">
        
        <!-- Linker kolom: Focus Timer & Taken -->
        <div class="lg:col-span-7 space-y-6">
            
            <!-- Focus Modus Timer -->
            <div class="bg-slate-900/80 border border-slate-800 rounded-2xl p-6 shadow-xl relative overflow-hidden backdrop-blur-sm">
                <div class="flex items-center justify-between mb-4">
                    <div class="flex items-center space-x-2">
                        <div class="w-8 h-8 rounded-lg bg-emerald-500/10 text-emerald-400 flex items-center justify-center">
                            <i data-lucide="flame" class="w-4 h-4"></i>
                        </div>
                        <div>
                            <h3 class="text-sm font-bold text-white uppercase tracking-wider">Focus Modus</h3>
                            <p class="text-[11px] text-slate-400">Pomodoro & diepe concentratie</p>
                        </div>
                    </div>

                    <div class="flex bg-slate-950/80 p-1 rounded-xl border border-slate-800 text-xs">
                        <button onclick="setTimerPreset(25)" id="btnPreset25" class="px-2.5 py-1 rounded-lg font-bold bg-emerald-500 text-slate-950 transition">25m Focus</button>
                        <button onclick="setTimerPreset(50)" id="btnPreset50" class="px-2.5 py-1 rounded-lg text-slate-400 hover:text-slate-200 transition">50m Deep</button>
                        <button onclick="setTimerPreset(5)" id="btnPreset5" class="px-2.5 py-1 rounded-lg text-slate-400 hover:text-slate-200 transition">5m Pauze</button>
                    </div>
                </div>

                <div class="text-center my-6">
                    <div id="timerDisplay" class="text-5xl sm:text-6xl font-black font-mono tracking-tight text-white mb-2">25:00</div>
                    <div class="min-h-[22px] text-xs text-slate-400 truncate max-w-sm mx-auto flex items-center justify-center space-x-1">
                        <span class="text-emerald-400 font-medium">Actieve focus:</span>
                        <span id="activeTaskDisplay" class="text-slate-200 font-semibold">Kies een taak hieronder</span>
                    </div>

                    <div class="w-full bg-slate-950/80 h-2 rounded-full overflow-hidden mt-4 border border-slate-800/80">
                        <div id="timerProgress" class="h-full bg-gradient-to-r from-emerald-500 to-teal-400 transition-all duration-300 rounded-full" style="width: 0%"></div>
                    </div>
                </div>

                <div class="flex items-center justify-center space-x-3">
                    <button id="timerToggleBtn" onclick="toggleTimer()" class="flex items-center space-x-2 px-6 py-2.5 rounded-xl font-bold text-sm bg-emerald-500 hover:bg-emerald-600 text-slate-950 transition shadow-lg shadow-emerald-500/20">
                        <i data-lucide="play" class="w-4 h-4 fill-current"></i>
                        <span id="timerToggleText">Start Focus</span>
                    </button>
                    <button onclick="resetTimer()" class="p-2.5 rounded-xl bg-slate-800/80 text-slate-400 hover:text-slate-200 hover:bg-slate-700 transition border border-slate-700/60" title="Reset">
                        <i data-lucide="rotate-ccw" class="w-4 h-4"></i>
                    </button>
                </div>
            </div>

            <!-- Takenlijst -->
            <div class="bg-slate-900/80 border border-slate-800 rounded-2xl p-5 shadow-xl backdrop-blur-sm">
                <div class="flex items-center justify-between mb-4 pb-3 border-b border-slate-800">
                    <div>
                        <h3 class="text-sm font-bold text-white uppercase tracking-wider flex items-center space-x-2">
                            <span>Dagtaken & Prioriteiten</span>
                            <span class="text-xs font-normal text-slate-400">(<?= count($tasks) ?>)</span>
                        </h3>
                    </div>

                    <button onclick="toggleAddTaskForm()" class="flex items-center space-x-1.5 px-3 py-1.5 rounded-xl bg-emerald-500 hover:bg-emerald-600 text-slate-950 text-xs font-bold transition shadow-md shadow-emerald-500/20">
                        <i data-lucide="plus" class="w-4 h-4"></i>
                        <span>Nieuwe Taak</span>
                    </button>
                </div>

                <!-- Nieuwe taak formulier (verborgen by default) -->
                <div id="addTaskForm" class="hidden mb-4 p-4 rounded-xl bg-slate-950/90 border border-emerald-500/30 space-y-3">
                    <div>
                        <label class="block text-[11px] font-medium text-slate-400 mb-1">Taaktitel</label>
                        <input type="text" id="newTaskTitle" placeholder="Wat moet er vandaag gedaan worden?" class="w-full bg-slate-900 border border-slate-800 rounded-lg px-3 py-2 text-white text-xs placeholder-slate-500 focus:outline-none focus:ring-1 focus:ring-emerald-500">
                    </div>
                    <div class="grid grid-cols-2 gap-3">
                        <div>
                            <label class="block text-[11px] font-medium text-slate-400 mb-1">Prioriteit</label>
                            <select id="newTaskPriority" class="w-full bg-slate-900 border border-slate-800 rounded-lg px-2.5 py-1.5 text-white text-xs focus:outline-none">
                                <option value="P1">P1 - Brandend / Hoogste Focus</option>
                                <option value="P2" selected>P2 - Belangrijk (Standaard)</option>
                                <option value="P3">P3 - Regulier / Lage druk</option>
                            </select>
                        </div>
                        <div>
                            <label class="block text-[11px] font-medium text-slate-400 mb-1">Tijdblok (Starttijd)</label>
                            <input type="text" id="newTaskTime" placeholder="Bijv. 09:30" class="w-full bg-slate-900 border border-slate-800 rounded-lg px-2.5 py-1.5 text-white text-xs font-mono focus:outline-none">
                        </div>
                    </div>
                    <div class="flex space-x-2 pt-1">
                        <button onclick="submitNewTask()" class="px-4 py-1.5 bg-emerald-500 hover:bg-emerald-600 text-slate-950 font-bold rounded-lg text-xs transition">Opslaan</button>
                        <button onclick="toggleAddTaskForm()" class="px-3 py-1.5 bg-slate-800 hover:bg-slate-700 text-slate-400 rounded-lg text-xs transition">Annuleren</button>
                    </div>
                </div>

                <!-- Taken weergave -->
                <div class="space-y-2" id="tasksContainer">
                    <?php if (empty($tasks)): ?>
                        <div class="text-center py-8 text-slate-500 text-xs">
                            Nog geen taken gepland voor vandaag. Klik op 'Nieuwe Taak' of importeer een Jira ticket hieronder.
                        </div>
                    <?php else: ?>
                        <?php foreach ($tasks as $task): ?>
                            <div class="group flex items-center justify-between p-3 rounded-xl border <?= $task['is_completed'] ? 'bg-slate-950/30 border-slate-900 opacity-60' : 'bg-slate-950/60 border-slate-800 hover:border-slate-700' ?> transition" id="task-row-<?= $task['id'] ?>">
                                <div class="flex items-center space-x-3 truncate mr-2">
                                    <button onclick="toggleTask(<?= $task['id'] ?>, <?= $task['is_completed'] ? 0 : 1 ?>)" class="w-5 h-5 rounded-lg border flex items-center justify-center transition <?= $task['is_completed'] ? 'bg-emerald-500 border-emerald-500 text-slate-950 font-bold' : 'border-slate-700 hover:border-emerald-400 bg-slate-900' ?>">
                                        <?php if ($task['is_completed']): ?>
                                            <i data-lucide="check" class="w-3.5 h-3.5 stroke-[3]"></i>
                                        <?php endif; ?>
                                    </button>

                                    <div class="truncate">
                                        <div class="flex items-center space-x-1.5 truncate">
                                            <?php if ($task['source'] === 'JIRA'): ?>
                                                <span class="px-1.5 py-0.2 rounded bg-sky-500/10 border border-sky-500/20 text-sky-400 font-mono text-[9px] font-bold">
                                                    JIRA
                                                </span>
                                            <?php endif; ?>
                                            <span class="text-xs font-medium truncate <?= $task['is_completed'] ? 'line-through text-slate-500' : 'text-slate-200' ?>">
                                                <?= htmlspecialchars($task['title']) ?>
                                            </span>
                                        </div>

                                        <div class="flex items-center space-x-2 mt-0.5">
                                            <?php if (!empty($task['time_block_start'])): ?>
                                                <span class="text-[10px] text-slate-400 font-mono flex items-center space-x-1">
                                                    <i data-lucide="clock" class="w-2.5 h-2.5"></i>
                                                    <span><?= htmlspecialchars($task['time_block_start']) ?></span>
                                                </span>
                                            <?php endif; ?>
                                            <?php if (!empty($task['external_url'])): ?>
                                                <a href="<?= htmlspecialchars($task['external_url']) ?>" target="_blank" class="text-[10px] text-sky-400 hover:underline flex items-center space-x-0.5">
                                                    <span>Open in Jira</span>
                                                    <i data-lucide="external-link" class="w-2.5 h-2.5"></i>
                                                </a>
                                            <?php endif; ?>
                                        </div>
                                    </div>
                                </div>

                                <div class="flex items-center space-x-2 flex-shrink-0">
                                    <span class="text-[10px] font-bold px-2 py-0.5 rounded-full <?= $task['priority'] === 'P1' ? 'bg-red-500/20 text-red-400 border border-red-500/30' : ($task['priority'] === 'P2' ? 'bg-amber-500/20 text-amber-400 border border-amber-500/30' : 'bg-slate-800 text-slate-400') ?>">
                                        <?= htmlspecialchars($task['priority']) ?>
                                    </span>

                                    <?php if (!$task['is_completed']): ?>
                                        <button onclick="selectFocusTask('<?= htmlspecialchars(addslashes($task['title'])) ?>')" title="Koppel aan Focus Timer" class="p-1.5 rounded-lg text-slate-400 hover:text-emerald-400 hover:bg-emerald-500/10 transition">
                                            <i data-lucide="flame" class="w-3.5 h-3.5"></i>
                                        </button>
                                    <?php endif; ?>

                                    <button onclick="deleteTask(<?= $task['id'] ?>)" title="Verwijderen" class="p-1.5 rounded-lg text-slate-600 hover:text-red-400 hover:bg-red-500/10 opacity-0 group-hover:opacity-100 transition">
                                        <i data-lucide="trash-2" class="w-3.5 h-3.5"></i>
                                    </button>
                                </div>
                            </div>
                        <?php endforeach; ?>
                    <?php endif; ?>
                </div>
            </div>

            <!-- Jira Snelle Import Widget -->
            <div id="jiraPanel" class="bg-slate-900/80 border border-slate-800 rounded-2xl p-5 shadow-xl backdrop-blur-sm">
                <div class="flex items-center justify-between pb-3 border-b border-slate-800 mb-3">
                    <div class="flex items-center space-x-2">
                        <i data-lucide="trello" class="w-4 h-4 text-sky-400"></i>
                        <h3 class="text-sm font-bold text-white uppercase tracking-wider">
                            Mijn Jira Tickets
                        </h3>
                        <span class="px-2 py-0.5 rounded-full text-[10px] font-bold <?= $isJiraLive ? 'bg-sky-500/20 text-sky-400 border border-sky-500/30' : 'bg-slate-800 text-slate-400' ?>">
                            <?= count($jiraIssues) ?>
                        </span>
                    </div>

                    <a href="/integrations.php" class="text-xs text-slate-400 hover:text-sky-300 transition flex items-center space-x-1">
                        <span>Beheren</span>
                        <i data-lucide="chevron-right" class="w-3.5 h-3.5"></i>
                    </a>
                </div>

                <?php if (empty($jiraIssues)): ?>
                    <div class="text-center py-6 text-slate-500 text-xs">
                        Geen openstaande tickets gevonden in Jira.
                    </div>
                <?php else: ?>
                    <div class="space-y-2 max-h-64 overflow-y-auto pr-1">
                        <?php foreach (array_slice($jiraIssues, 0, 6) as $issue): ?>
                            <div class="flex items-center justify-between p-2.5 rounded-xl bg-slate-950/60 border border-slate-800/80 hover:border-slate-700 transition">
                                <div class="truncate mr-2">
                                    <div class="flex items-center space-x-2">
                                        <span class="font-mono text-[10px] font-bold text-sky-400 bg-sky-500/10 px-1.5 py-0.5 rounded">
                                            <?= htmlspecialchars($issue['key']) ?>
                                        </span>
                                        <span class="text-xs font-semibold text-white truncate">
                                            <?= htmlspecialchars($issue['summary']) ?>
                                        </span>
                                    </div>
                                    <span class="text-[10px] text-slate-500 mt-0.5 block">
                                        <?= htmlspecialchars($issue['status']) ?> &bull; <?= htmlspecialchars($issue['priority']) ?>
                                    </span>
                                </div>

                                <button 
                                    onclick="quickImportJira(this, '<?= htmlspecialchars(addslashes($issue['summary'])) ?>', '<?= htmlspecialchars($issue['key']) ?>', '<?= htmlspecialchars(addslashes($issue['url'] ?? '')) ?>')"
                                    class="flex items-center space-x-1 text-[11px] font-bold text-emerald-400 hover:text-emerald-300 bg-emerald-500/10 hover:bg-emerald-500/20 border border-emerald-500/20 px-2 py-1 rounded-lg transition flex-shrink-0"
                                    title="Plan in als dagtaak"
                                >
                                    <i data-lucide="plus" class="w-3 h-3"></i>
                                    <span>Plan</span>
                                </button>
                            </div>
                        <?php endforeach; ?>
                    </div>
                <?php endif; ?>
            </div>

            <!-- Dagnotities & Reflectie -->
            <div class="bg-slate-900/80 border border-slate-800 rounded-2xl p-5 shadow-xl backdrop-blur-sm">
                <div class="flex items-center space-x-2 mb-3">
                    <i data-lucide="book-open" class="w-4 h-4 text-emerald-400"></i>
                    <h3 class="text-sm font-bold text-white uppercase tracking-wider">Dagnotities & Kladblok</h3>
                </div>
                <textarea 
                    id="dailyNotesInput"
                    rows="3" 
                    placeholder="Belangrijke aantekeningen, reflecties of snelle memo's voor vandaag..." 
                    onblur="saveGoal()"
                    class="w-full bg-slate-950/70 border border-slate-800 rounded-xl p-3 text-white text-xs placeholder-slate-500 focus:outline-none focus:ring-1 focus:ring-emerald-500 resize-none transition"
                ><?= htmlspecialchars($dailyPlan['notes'] ?? '') ?></textarea>
            </div>
        </div>

        <!-- Rechter kolom: Timeblocking & Outlook Tijdlijn -->
        <div class="lg:col-span-5 space-y-6">
            <div class="bg-slate-900/80 border border-slate-800 rounded-2xl p-5 shadow-xl backdrop-blur-sm">
                <div class="flex items-center justify-between mb-4 pb-3 border-b border-slate-800">
                    <div class="flex items-center space-x-2">
                        <i data-lucide="clock" class="w-5 h-5 text-emerald-400"></i>
                        <h3 class="text-sm font-bold text-white uppercase tracking-wider">Tijdlijn & Time-blocking</h3>
                    </div>
                    <div class="flex items-center space-x-2">
                        <?php if ($isOutlookConnected): ?>
                            <span class="px-2 py-0.5 rounded bg-blue-500/10 border border-blue-500/20 text-blue-400 text-[10px] font-bold">Outlook 365</span>
                        <?php endif; ?>
                        <span class="text-xs text-slate-400 font-mono"><?= $hours[0] ?> – <?= end($hours) ?></span>
                    </div>
                </div>

                <div class="space-y-2">
                    <?php foreach ($hours as $hour): 
                        $hourInt = (int)explode(':', $hour)[0];
                        
                        // Zoek Outlook meetings die binnen dit uur vallen
                        $slotEvents = array_filter($outlookEvents, function($e) use ($hourInt) {
                            if (empty($e['start'])) return false;
                            return (int)explode(':', $e['start'])[0] === $hourInt;
                        });

                        // Zoek taken gepland in dit uur
                        $slotTasks = array_filter($tasks, function($t) use ($hourInt) {
                            return !empty($t['time_block_start']) && (int)explode(':', $t['time_block_start'])[0] === $hourInt;
                        });
                    ?>
                        <div class="flex items-start group min-h-[50px] border-b border-slate-800/40 pb-2 last:border-0">
                            <div class="w-14 text-xs font-mono font-medium text-slate-400 pt-1 flex-shrink-0">
                                <?= $hour ?>
                            </div>

                            <div class="flex-1 space-y-1.5">
                                <!-- Outlook meetings -->
                                <?php foreach ($slotEvents as $evt): ?>
                                    <div class="flex items-center justify-between p-2 rounded-xl bg-blue-950/50 border border-blue-800/60 text-blue-100 text-xs shadow-sm">
                                        <div class="flex items-center space-x-2 truncate mr-2">
                                            <span class="px-1.5 py-0.5 rounded bg-blue-500/20 text-blue-400 font-mono text-[10px] font-bold">
                                                <?= htmlspecialchars($evt['start']) ?> - <?= htmlspecialchars($evt['end']) ?>
                                            </span>
                                            <span class="font-semibold truncate" title="<?= htmlspecialchars($evt['subject']) ?>">
                                                <?= htmlspecialchars($evt['subject']) ?>
                                            </span>
                                        </div>
                                        <?php if (!empty($evt['meeting_url'])): ?>
                                            <a href="<?= htmlspecialchars($evt['meeting_url']) ?>" target="_blank" class="flex items-center space-x-1 text-[10px] text-blue-300 hover:text-white bg-blue-600/30 hover:bg-blue-600/50 px-2 py-0.5 rounded-lg flex-shrink-0 transition">
                                                <i data-lucide="video" class="w-3 h-3"></i>
                                                <span>Deelnemen</span>
                                            </a>
                                        <?php endif; ?>
                                    </div>
                                <?php endforeach; ?>

                                <!-- Geplande taken -->
                                <?php foreach ($slotTasks as $t): ?>
                                    <div class="flex items-center justify-between p-2 rounded-xl border text-xs <?= $t['is_completed'] ? 'bg-slate-900/40 border-slate-800 text-slate-500 line-through' : 'bg-emerald-950/30 border-emerald-800/40 text-emerald-100' ?>">
                                        <div class="flex items-center space-x-2 truncate mr-2">
                                            <span class="px-1.5 py-0.5 rounded bg-emerald-500/20 text-emerald-400 font-mono text-[10px] font-bold">
                                                <?= htmlspecialchars($t['time_block_start']) ?>
                                            </span>
                                            <span class="font-semibold truncate"><?= htmlspecialchars($t['title']) ?></span>
                                        </div>
                                        <span class="text-[10px] font-bold px-1.5 py-0.5 rounded bg-emerald-500/20 text-emerald-400">
                                            <?= $t['priority'] ?>
                                        </span>
                                    </div>
                                <?php endforeach; ?>

                                <?php if (empty($slotEvents) && empty($slotTasks)): ?>
                                    <button onclick="quickSchedule('<?= $hour ?>')" class="w-full text-left py-1 px-2 rounded-lg border border-dashed border-transparent hover:border-slate-800 hover:bg-slate-950/40 text-slate-600 hover:text-slate-400 text-xs transition">
                                        + Plan taak om <?= $hour ?>
                                    </button>
                                <?php endif; ?>
                            </div>
                        </div>
                    <?php endforeach; ?>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
// --- Focus Timer Logica ---
let timerInterval = null;
let timerSeconds = 25 * 60;
let totalDuration = 25 * 60;
let isRunning = false;

function updateTimerDisplay() {
    const min = Math.floor(timerSeconds / 60);
    const sec = timerSeconds % 60;
    document.getElementById('timerDisplay').innerText = 
        `${String(min).padStart(2, '0')}:${String(sec).padStart(2, '0')}`;

    const progress = ((totalDuration - timerSeconds) / totalDuration) * 100;
    document.getElementById('timerProgress').style.width = `${progress}%`;
}

function setTimerPreset(minutes) {
    clearInterval(timerInterval);
    isRunning = false;
    timerSeconds = minutes * 60;
    totalDuration = minutes * 60;
    updateTimerDisplay();

    document.getElementById('timerToggleText').innerText = 'Start Focus';
    document.getElementById('btnPreset25').className = minutes === 25 ? 'px-2.5 py-1 rounded-lg font-bold bg-emerald-500 text-slate-950' : 'px-2.5 py-1 rounded-lg text-slate-400 hover:text-slate-200';
    document.getElementById('btnPreset50').className = minutes === 50 ? 'px-2.5 py-1 rounded-lg font-bold bg-emerald-500 text-slate-950' : 'px-2.5 py-1 rounded-lg text-slate-400 hover:text-slate-200';
    document.getElementById('btnPreset5').className = minutes === 5 ? 'px-2.5 py-1 rounded-lg font-bold bg-teal-500 text-slate-950' : 'px-2.5 py-1 rounded-lg text-slate-400 hover:text-slate-200';
}

function toggleTimer() {
    if (isRunning) {
        clearInterval(timerInterval);
        isRunning = false;
        document.getElementById('timerToggleText').innerText = 'Hervatten';
    } else {
        isRunning = true;
        document.getElementById('timerToggleText').innerText = 'Pauzeren';
        timerInterval = setInterval(() => {
            if (timerSeconds > 0) {
                timerSeconds--;
                updateTimerDisplay();
            } else {
                clearInterval(timerInterval);
                isRunning = false;
                document.getElementById('timerToggleText').innerText = 'Start Focus';
                alert('Focus sessie voltooid! Neem even een korte pauze.');
            }
        }, 1000);
    }
}

function resetTimer() {
    clearInterval(timerInterval);
    isRunning = false;
    timerSeconds = totalDuration;
    document.getElementById('timerToggleText').innerText = 'Start Focus';
    updateTimerDisplay();
}

function selectFocusTask(title) {
    document.getElementById('activeTaskDisplay').innerText = title;
}

// --- Dagdoel & Taken AJAX ---
async function saveGoal() {
    const focusGoal = document.getElementById('focusGoalInput').value;
    const notes = document.getElementById('dailyNotesInput').value;
    const btn = document.getElementById('saveGoalBtn');

    btn.innerText = 'Opslaan...';
    try {
        await fetch('/api/planner.php?action=save_goal', {
            method: 'POST',
            headers: {'Content-Type': 'application/json'},
            body: JSON.stringify({ focus_goal: focusGoal, notes: notes, date: '<?= $today ?>' })
        });
        btn.innerHTML = '<i data-lucide="check" class="w-4 h-4"></i><span>Opgeslagen</span>';
        if (typeof lucide !== 'undefined') lucide.createIcons();
        setTimeout(() => {
            btn.innerHTML = '<i data-lucide="check-circle-2" class="w-4 h-4"></i><span>Opslaan</span>';
            if (typeof lucide !== 'undefined') lucide.createIcons();
        }, 1500);
    } catch(err) {
        btn.innerText = 'Fout';
    }
}

function toggleAddTaskForm() {
    const form = document.getElementById('addTaskForm');
    form.classList.toggle('hidden');
    if (!form.classList.contains('hidden')) {
        document.getElementById('newTaskTitle').focus();
    }
}

function quickSchedule(hour) {
    toggleAddTaskForm();
    document.getElementById('newTaskTime').value = hour;
}

async function submitNewTask() {
    const title = document.getElementById('newTaskTitle').value.trim();
    const priority = document.getElementById('newTaskPriority').value;
    const time = document.getElementById('newTaskTime').value.trim();

    if (!title) return;

    const res = await fetch('/api/planner.php?action=add_task', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({ title, priority, time_block_start: time, date: '<?= $today ?>' })
    });
    const data = await res.json();
    if (data.success) {
        location.reload();
    }
}

async function quickImportJira(btn, title, jiraKey, url) {
    const originalHtml = btn.innerHTML;
    btn.innerText = '...';
    btn.disabled = true;

    try {
        const res = await fetch('/api/planner.php?action=add_task', {
            method: 'POST',
            headers: {'Content-Type': 'application/json'},
            body: JSON.stringify({
                title: `[${jiraKey}] ${title}`,
                priority: 'P1',
                source: 'JIRA',
                external_id: jiraKey,
                external_url: url,
                date: '<?= $today ?>'
            })
        });
        const data = await res.json();
        if (data.success) {
            btn.innerHTML = '<i data-lucide="check" class="w-3 h-3"></i>';
            location.reload();
        } else {
            btn.innerHTML = originalHtml;
            btn.disabled = false;
            alert(data.error || 'Kon taak niet toevoegen');
        }
    } catch(err) {
        btn.innerHTML = originalHtml;
        btn.disabled = false;
        alert('Netwerkfout bij toevoegen');
    }
}

async function toggleTask(taskId, isCompleted) {
    await fetch('/api/planner.php?action=toggle_task', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({ task_id: taskId, is_completed: isCompleted })
    });
    location.reload();
}

async function deleteTask(taskId) {
    if (!confirm('Taak verwijderen?')) return;
    await fetch('/api/planner.php?action=delete_task', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({ task_id: taskId })
    });
    document.getElementById(`task-row-${taskId}`)?.remove();
}
</script>

<?php require_once __DIR__ . '/includes/footer.php'; ?>