<?php
require_once __DIR__ . '/../helpers.php';
runAuth();

/**
 * Create or update a task type for a business
 * POST: { BusinessID, TaskTypeName, TaskTypeDescription?, TaskTypeIcon?, TaskTypeColor?,
 *          RequiresServicePoint?, TaskTypeCategoryID?/CategoryID?, TaskTypeID? (for update) }
 */

$data = readJsonBody();
$businessID = (int) ($data['BusinessID'] ?? 0);

if ($businessID <= 0) {
    apiAbort(['OK' => false, 'ERROR' => 'missing_params', 'MESSAGE' => 'BusinessID is required']);
}

try {
    $taskTypeName = trim($data['TaskTypeName'] ?? '');
    if (empty($taskTypeName)) {
        apiAbort(['OK' => false, 'ERROR' => 'missing_params', 'MESSAGE' => 'TaskTypeName is required']);
    }
    if (strlen($taskTypeName) > 45) {
        apiAbort(['OK' => false, 'ERROR' => 'invalid_params', 'MESSAGE' => 'TaskTypeName must be 45 characters or less']);
    }

    $taskTypeDescription = trim($data['TaskTypeDescription'] ?? '');
    if (strlen($taskTypeDescription) > 100) {
        apiAbort(['OK' => false, 'ERROR' => 'invalid_params', 'MESSAGE' => 'TaskTypeDescription must be 100 characters or less']);
    }

    $taskTypeIcon = trim($data['TaskTypeIcon'] ?? '') ?: 'notifications';
    if (strlen($taskTypeIcon) > 30) {
        apiAbort(['OK' => false, 'ERROR' => 'invalid_params', 'MESSAGE' => 'TaskTypeIcon must be 30 characters or less']);
    }

    $taskTypeColor = trim($data['TaskTypeColor'] ?? '') ?: '#9C27B0';
    if ($taskTypeColor[0] !== '#') {
        $taskTypeColor = '#' . $taskTypeColor;
    }
    if (strlen($taskTypeColor) > 7) {
        apiAbort(['OK' => false, 'ERROR' => 'invalid_params', 'MESSAGE' => 'TaskTypeColor must be a valid hex color']);
    }

    $requiresServicePoint = 1;
    if (isset($data['RequiresServicePoint'])) {
        $requiresServicePoint = $data['RequiresServicePoint'] ? 1 : 0;
    }

    $categoryID = null;
    if (isset($data['TaskTypeCategoryID']) && is_numeric($data['TaskTypeCategoryID']) && (int) $data['TaskTypeCategoryID'] > 0) {
        $categoryID = (int) $data['TaskTypeCategoryID'];
    } elseif (isset($data['CategoryID']) && is_numeric($data['CategoryID']) && (int) $data['CategoryID'] > 0) {
        $categoryID = (int) $data['CategoryID'];
    }

    $taskTypeID = (int) ($data['TaskTypeID'] ?? 0);

    if ($taskTypeID > 0) {
        // UPDATE
        $qCheck = queryOne("
            SELECT ID FROM tt_TaskTypes WHERE ID = ? AND BusinessID = ?
        ", [$taskTypeID, $businessID]);

        if (!$qCheck) {
            apiAbort(['OK' => false, 'ERROR' => 'not_found', 'MESSAGE' => 'Task type not found or does not belong to this business']);
        }

        queryTimed("
            UPDATE tt_TaskTypes
            SET Name = ?, Description = ?, Icon = ?, Color = ?,
                RequiresServicePoint = ?, TaskCategoryID = ?
            WHERE ID = ?
        ", [
            $taskTypeName,
            !empty($taskTypeDescription) ? $taskTypeDescription : null,
            $taskTypeIcon,
            $taskTypeColor,
            $requiresServicePoint,
            $categoryID,
            $taskTypeID,
        ]);

        jsonResponse(['OK' => true, 'TASK_TYPE_ID' => $taskTypeID, 'MESSAGE' => 'Task type updated']);
    } else {
        // INSERT
        queryTimed("
            INSERT INTO tt_TaskTypes (Name, Description, Icon, Color, RequiresServicePoint, BusinessID, TaskCategoryID)
            VALUES (?, ?, ?, ?, ?, ?, ?)
        ", [
            $taskTypeName,
            !empty($taskTypeDescription) ? $taskTypeDescription : null,
            $taskTypeIcon,
            $taskTypeColor,
            $requiresServicePoint,
            $businessID,
            $categoryID,
        ]);

        $newID = (int) lastInsertId();
        jsonResponse(['OK' => true, 'TASK_TYPE_ID' => $newID, 'MESSAGE' => 'Task type created']);
    }

} catch (Exception $e) {
    jsonResponse(['OK' => false, 'ERROR' => 'server_error', 'MESSAGE' => $e->getMessage()]);
}