views/admin/WorkflowDesignerView.php

<?php
// Admin view for workflow/status transitions designer
// Receives $workflows from controller
require_once __DIR__ . '/../../middleware/SecurityHeadersMiddleware.php';
require_once __DIR__ . '/../../middleware/CsrfMiddleware.php';
$nonce = SecurityHeadersMiddleware::getNonce();
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Workflow Designer - Admin</title>
    <link rel="icon" type="image/png" href="<?php echo $GLOBALS['config']['ASSETS_URL']; ?>/images/favicon.png">
    <link rel="stylesheet" href="/assets/css/base.css">
    <link rel="stylesheet" href="<?php echo $GLOBALS['config']['ASSETS_URL']; ?>/css/dashboard.css">
    <link rel="stylesheet" href="<?php echo $GLOBALS['config']['ASSETS_URL']; ?>/css/ticket.css">
    <script nonce="<?php echo $nonce; ?>" src="/assets/js/base.js"></script>
    <script nonce="<?php echo $nonce; ?>">
        window.CSRF_TOKEN = '<?php echo CsrfMiddleware::getToken(); ?>';
    </script>
</head>
<body>
    <div class="user-header">
        <div class="user-header-left">
            <a href="/" class="back-link">[ ← DASHBOARD ]</a>
            <span style="margin-left: 1rem; color: var(--terminal-amber);">Admin: Workflow Designer</span>
        </div>
        <div class="user-header-right">
            <?php if (isset($GLOBALS['currentUser'])): ?>
                <span class="user-name">[ <?php echo htmlspecialchars(strtoupper($GLOBALS['currentUser']['display_name'] ?? $GLOBALS['currentUser']['username'])); ?> ]</span>
                <span class="admin-badge">[ ADMIN ]</span>
            <?php endif; ?>
        </div>
    </div>

    <div class="ascii-frame-outer" style="max-width: 1200px; margin: 2rem auto;">
        <span class="bottom-left-corner">╚</span>
        <span class="bottom-right-corner">╝</span>

        <div class="ascii-section-header">Status Workflow Designer</div>
        <div class="ascii-content">
            <div class="ascii-frame-inner">
                <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem;">
                    <h2 style="margin: 0;">Status Transitions</h2>
                    <button data-action="show-create-modal" class="btn">+ NEW TRANSITION</button>
                </div>

                <p style="color: var(--terminal-green-dim); margin-bottom: 1rem;">
                    Define which status transitions are allowed. This controls what options appear in the status dropdown.
                </p>

                <!-- Visual Workflow Diagram -->
                <div style="margin-bottom: 2rem; padding: 1rem; border: 1px solid var(--terminal-green); background: var(--bg-secondary);">
                    <h4 style="color: var(--terminal-amber); margin-bottom: 1rem;">Workflow Diagram</h4>
                    <div style="display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap;">
                        <?php
                        $statuses = ['Open', 'Pending', 'In Progress', 'Closed'];
                        foreach ($statuses as $status):
                            $statusClass = 'status-' . str_replace(' ', '-', strtolower($status));
                        ?>
                        <div style="text-align: center;">
                            <div class="<?php echo $statusClass; ?>" style="padding: 0.5rem 1rem; display: inline-block;">
                                <?php echo $status; ?>
                            </div>
                            <div style="font-size: 0.8rem; color: var(--terminal-green-dim); margin-top: 0.5rem;">
                                <?php
                                $toCount = 0;
                                if (isset($workflows)) {
                                    foreach ($workflows as $w) {
                                        if ($w['from_status'] === $status) $toCount++;
                                    }
                                }
                                echo "→ $toCount transitions";
                                ?>
                            </div>
                        </div>
                        <?php endforeach; ?>
                    </div>
                </div>

                <!-- Transitions Table -->
                <table style="width: 100%;">
                    <thead>
                        <tr>
                            <th>From Status</th>
                            <th>→</th>
                            <th>To Status</th>
                            <th>Requires Comment</th>
                            <th>Requires Admin</th>
                            <th>Active</th>
                            <th>Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        <?php if (empty($workflows)): ?>
                            <tr>
                                <td colspan="7" style="text-align: center; padding: 2rem; color: var(--terminal-green-dim);">
                                    No transitions defined. Add transitions to enable status changes.
                                </td>
                            </tr>
                        <?php else: ?>
                            <?php foreach ($workflows as $wf): ?>
                                <tr>
                                    <td>
                                        <span class="status-<?php echo str_replace(' ', '-', strtolower($wf['from_status'])); ?>">
                                            <?php echo htmlspecialchars($wf['from_status']); ?>
                                        </span>
                                    </td>
                                    <td style="text-align: center; color: var(--terminal-amber);">→</td>
                                    <td>
                                        <span class="status-<?php echo str_replace(' ', '-', strtolower($wf['to_status'])); ?>">
                                            <?php echo htmlspecialchars($wf['to_status']); ?>
                                        </span>
                                    </td>
                                    <td style="text-align: center;"><?php echo $wf['requires_comment'] ? '✓' : '−'; ?></td>
                                    <td style="text-align: center;"><?php echo $wf['requires_admin'] ? '✓' : '−'; ?></td>
                                    <td style="text-align: center;">
                                        <span style="color: <?php echo $wf['is_active'] ? 'var(--status-open)' : 'var(--status-closed)'; ?>;">
                                            <?php echo $wf['is_active'] ? '✓' : '✗'; ?>
                                        </span>
                                    </td>
                                    <td>
                                        <button data-action="edit-transition" data-id="<?php echo $wf['transition_id']; ?>" class="btn btn-small">EDIT</button>
                                        <button data-action="delete-transition" data-id="<?php echo $wf['transition_id']; ?>" class="btn btn-small btn-danger">DELETE</button>
                                    </td>
                                </tr>
                            <?php endforeach; ?>
                        <?php endif; ?>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <!-- Create/Edit Modal -->
    <div class="lt-modal-overlay" id="workflowModal" aria-hidden="true">
        <div class="lt-modal" style="max-width: 450px;">
            <div class="lt-modal-header">
                <span class="lt-modal-title" id="modalTitle">Create Transition</span>
                <button class="lt-modal-close" data-modal-close>✕</button>
            </div>
            <form id="workflowForm">
                <input type="hidden" id="transition_id" name="transition_id">
                <div class="lt-modal-body">
                    <div class="setting-row">
                        <label for="from_status">From Status *</label>
                        <select id="from_status" name="from_status" required>
                            <option value="Open">Open</option>
                            <option value="Pending">Pending</option>
                            <option value="In Progress">In Progress</option>
                            <option value="Closed">Closed</option>
                        </select>
                    </div>
                    <div class="setting-row">
                        <label for="to_status">To Status *</label>
                        <select id="to_status" name="to_status" required>
                            <option value="Open">Open</option>
                            <option value="Pending">Pending</option>
                            <option value="In Progress">In Progress</option>
                            <option value="Closed">Closed</option>
                        </select>
                    </div>
                    <div class="setting-row">
                        <label><input type="checkbox" id="requires_comment" name="requires_comment"> Requires comment</label>
                    </div>
                    <div class="setting-row">
                        <label><input type="checkbox" id="requires_admin" name="requires_admin"> Requires admin privileges</label>
                    </div>
                    <div class="setting-row">
                        <label><input type="checkbox" id="is_active" name="is_active" checked> Active</label>
                    </div>
                </div>
                <div class="lt-modal-footer">
                    <button type="submit" class="lt-btn lt-btn-primary">SAVE</button>
                    <button type="button" class="lt-btn lt-btn-ghost" data-modal-close>CANCEL</button>
                </div>
            </form>
        </div>
    </div>

    <script nonce="<?php echo $nonce; ?>" src="<?php echo $GLOBALS['config']['ASSETS_URL']; ?>/js/toast.js"></script>
    <script nonce="<?php echo $nonce; ?>">
        const workflows = <?php echo json_encode($workflows ?? []); ?>;

        function showCreateModal() {
            document.getElementById('modalTitle').textContent = 'Create Transition';
            document.getElementById('workflowForm').reset();
            document.getElementById('transition_id').value = '';
            document.getElementById('is_active').checked = true;
            lt.modal.open('workflowModal');
        }

        function closeModal() {
            lt.modal.close('workflowModal');
        }

        // Event delegation for data-action handlers
        document.addEventListener('click', function(event) {
            const target = event.target.closest('[data-action]');
            if (!target) return;

            const action = target.dataset.action;
            switch (action) {
                case 'show-create-modal':
                    showCreateModal();
                    break;
                case 'edit-transition':
                    editTransition(target.dataset.id);
                    break;
                case 'delete-transition':
                    deleteTransition(target.dataset.id);
                    break;
            }
        });

        // Form submit handler
        document.getElementById('workflowForm').addEventListener('submit', function(e) {
            saveTransition(e);
        });

        if (window.lt) lt.keys.initDefaults();

        function saveTransition(e) {
            e.preventDefault();
            const data = {
                transition_id: document.getElementById('transition_id').value,
                from_status: document.getElementById('from_status').value,
                to_status: document.getElementById('to_status').value,
                requires_comment: document.getElementById('requires_comment').checked ? 1 : 0,
                requires_admin: document.getElementById('requires_admin').checked ? 1 : 0,
                is_active: document.getElementById('is_active').checked ? 1 : 0
            };

            const method = data.transition_id ? 'PUT' : 'POST';
            const url = '/api/manage_workflows.php' + (data.transition_id ? '?id=' + data.transition_id : '');

            fetch(url, {
                method: method,
                headers: {
                    'Content-Type': 'application/json',
                    'X-CSRF-Token': window.CSRF_TOKEN
                },
                body: JSON.stringify(data)
            })
            .then(r => r.json())
            .then(result => {
                if (result.success) {
                    window.location.reload();
                } else {
                    lt.toast.error(result.error || 'Failed to save');
                }
            });
        }

        function editTransition(id) {
            const wf = workflows.find(w => w.transition_id == id);
            if (!wf) return;

            document.getElementById('transition_id').value = wf.transition_id;
            document.getElementById('from_status').value = wf.from_status;
            document.getElementById('to_status').value = wf.to_status;
            document.getElementById('requires_comment').checked = wf.requires_comment == 1;
            document.getElementById('requires_admin').checked = wf.requires_admin == 1;
            document.getElementById('is_active').checked = wf.is_active == 1;
            document.getElementById('modalTitle').textContent = 'Edit Transition';
            lt.modal.open('workflowModal');
        }

        function deleteTransition(id) {
            if (!confirm('Delete this status transition?')) return;
            fetch('/api/manage_workflows.php?id=' + id, {
                method: 'DELETE',
                headers: { 'X-CSRF-Token': window.CSRF_TOKEN }
            })
            .then(r => r.json())
            .then(data => {
                if (data.success) window.location.reload();
            });
        }
    </script>
</body>
</html>