<?php
/**
 * 工单配置 CRUD trait：自定义状态 / 部门 / 预设回复 / 后台备注。
 *
 * 由 TicketRestAdmin 组合，工单本身的读写留在 TicketRestAdmin。
 *
 * @package AKSRT
 */

namespace AKSRT\Ticket;

defined('ABSPATH') || exit;

trait TicketConfigRest {

    /* ------------------------------------------------------------------ *
     * 状态
     * ------------------------------------------------------------------ */

    public function list_statuses(\WP_REST_Request $request) {
        return rest_ensure_response(['success' => true, 'data' => TicketStatusService::all()]);
    }

    public function create_status(\WP_REST_Request $request) {
        $name = trim((string) $request->get_param('name'));
        if ($name === '' || mb_strlen($name) > 60) {
            return new \WP_Error('aksrt_ticket_status_name', __('请填写有效的状态名称', 'aksrt'), ['status' => 400]);
        }
        global $wpdb;
        $table = \AKSRT\Core\DBMigrator::table('ticket_status');
        if ($table === '') {
            return new \WP_Error('aksrt_ticket_db', __('状态表不可用', 'aksrt'), ['status' => 500]);
        }
        $max = (int) $wpdb->get_var("SELECT MAX(sort_order) FROM {$table}"); // phpcs:ignore WordPress.DB.DirectDatabaseQuery
        $inserted = $wpdb->insert($table, [
            'status_key' => TicketStatusService::make_key($name),
            'name' => $name,
            'color' => TicketStatusService::sanitize_color((string) $request->get_param('color')),
            'is_closed' => absint($request->get_param('is_closed')) === 1 ? 1 : 0,
            'sort_order' => $max + 1,
            'created_at' => current_time('mysql'),
        ], ['%s', '%s', '%s', '%d', '%d', '%s']);
        if ($inserted !== 1) {
            return new \WP_Error('aksrt_ticket_db', __('状态创建失败', 'aksrt'), ['status' => 500]);
        }
        TicketStatusService::flush();
        return rest_ensure_response(['success' => true]);
    }

    public function update_status(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        $row = $this->status_row($id);
        if ($row === null) {
            return new \WP_Error('aksrt_ticket_status_missing', __('工单状态不存在', 'aksrt'), ['status' => 404]);
        }
        if (!empty($row['is_default'])) {
            return new \WP_Error('aksrt_ticket_status_default', __('默认状态不可修改', 'aksrt'), ['status' => 409]);
        }
        $name = trim((string) $request->get_param('name'));
        if ($name === '' || mb_strlen($name) > 60) {
            return new \WP_Error('aksrt_ticket_status_name', __('请填写有效的状态名称', 'aksrt'), ['status' => 400]);
        }
        global $wpdb;
        $table = \AKSRT\Core\DBMigrator::table('ticket_status');
        $updated = $wpdb->update($table, [
            'name' => $name,
            'color' => TicketStatusService::sanitize_color((string) $request->get_param('color')),
            'is_closed' => absint($request->get_param('is_closed')) === 1 ? 1 : 0,
            'updated_at' => current_time('mysql'),
        ], ['id' => $id], ['%s', '%s', '%d', '%s'], ['%d']);
        if ($updated === false) {
            return new \WP_Error('aksrt_ticket_db', __('状态保存失败', 'aksrt'), ['status' => 500]);
        }
        TicketStatusService::flush();
        return rest_ensure_response(['success' => true]);
    }

    public function delete_status(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        $row = $this->status_row($id);
        if ($row === null) {
            return new \WP_Error('aksrt_ticket_status_missing', __('工单状态不存在', 'aksrt'), ['status' => 404]);
        }
        if (!empty($row['is_default'])) {
            return new \WP_Error('aksrt_ticket_status_default', __('默认状态不可删除', 'aksrt'), ['status' => 409]);
        }
        if (TicketRepository::get_instance()->count_by_status((string) $row['status_key']) > 0) {
            return new \WP_Error('aksrt_ticket_status_in_use', __('该状态下还有工单，无法删除', 'aksrt'), ['status' => 409]);
        }
        global $wpdb;
        $table = \AKSRT\Core\DBMigrator::table('ticket_status');
        $wpdb->delete($table, ['id' => $id], ['%d']);
        TicketStatusService::flush();
        return rest_ensure_response(['success' => true]);
    }

    /** @return array<string,mixed>|null */
    private function status_row(int $id): ?array {
        global $wpdb;
        $table = \AKSRT\Core\DBMigrator::table('ticket_status');
        if ($table === '' || $id <= 0) {
            return null;
        }
        $row = $wpdb->get_row($wpdb->prepare(
            "SELECT * FROM {$table} WHERE id = %d", // phpcs:ignore WordPress.DB.PreparedSQL
            $id
        ), ARRAY_A);
        return is_array($row) ? $row : null;
    }

    /* ------------------------------------------------------------------ *
     * 部门
     * ------------------------------------------------------------------ */

    public function list_types(\WP_REST_Request $request) {
        return rest_ensure_response(['success' => true, 'data' => TicketTypeService::all()]);
    }

    public function create_type(\WP_REST_Request $request) {
        $name = trim((string) $request->get_param('name'));
        if ($name === '' || mb_strlen($name) > 120) {
            return new \WP_Error('aksrt_ticket_type_name', __('请填写有效的部门名称', 'aksrt'), ['status' => 400]);
        }
        if (TicketTypeService::name_taken($name)) {
            return new \WP_Error('aksrt_ticket_type_duplicate', __('该部门已存在', 'aksrt'), ['status' => 409]);
        }
        global $wpdb;
        $table = \AKSRT\Core\DBMigrator::table('ticket_type');
        if ($table === '') {
            return new \WP_Error('aksrt_ticket_db', __('部门表不可用', 'aksrt'), ['status' => 500]);
        }
        $max = (int) $wpdb->get_var("SELECT MAX(sort_order) FROM {$table}"); // phpcs:ignore WordPress.DB.DirectDatabaseQuery
        $inserted = $wpdb->insert($table, [
            'name' => $name,
            'description' => sanitize_text_field((string) $request->get_param('description')),
            'admin_ids' => wp_json_encode(TicketTypeService::sanitize_admin_ids((array) $request->get_param('admin_ids'))),
            'sort_order' => $max + 1,
            'created_at' => current_time('mysql'),
        ], ['%s', '%s', '%s', '%d', '%s']);
        if ($inserted !== 1) {
            return new \WP_Error('aksrt_ticket_db', __('部门创建失败', 'aksrt'), ['status' => 500]);
        }
        TicketTypeService::flush();
        return rest_ensure_response(['success' => true]);
    }

    public function update_type(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        if (!TicketTypeService::exists($id)) {
            return new \WP_Error('aksrt_ticket_type_missing', __('工单部门不存在', 'aksrt'), ['status' => 404]);
        }
        $name = trim((string) $request->get_param('name'));
        if ($name === '' || mb_strlen($name) > 120) {
            return new \WP_Error('aksrt_ticket_type_name', __('请填写有效的部门名称', 'aksrt'), ['status' => 400]);
        }
        if (TicketTypeService::name_taken($name, $id)) {
            return new \WP_Error('aksrt_ticket_type_duplicate', __('该部门已存在', 'aksrt'), ['status' => 409]);
        }
        global $wpdb;
        $table = \AKSRT\Core\DBMigrator::table('ticket_type');
        $updated = $wpdb->update($table, [
            'name' => $name,
            'description' => sanitize_text_field((string) $request->get_param('description')),
            'admin_ids' => wp_json_encode(TicketTypeService::sanitize_admin_ids((array) $request->get_param('admin_ids'))),
            'updated_at' => current_time('mysql'),
        ], ['id' => $id], ['%s', '%s', '%s', '%s'], ['%d']);
        if ($updated === false) {
            return new \WP_Error('aksrt_ticket_db', __('部门保存失败', 'aksrt'), ['status' => 500]);
        }
        TicketTypeService::flush();
        return rest_ensure_response(['success' => true]);
    }

    public function delete_type(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        if (!TicketTypeService::exists($id)) {
            return new \WP_Error('aksrt_ticket_type_missing', __('工单部门不存在', 'aksrt'), ['status' => 404]);
        }
        if (TicketRepository::get_instance()->count_by_type($id) > 0) {
            return new \WP_Error('aksrt_ticket_type_in_use', __('该部门下还有工单，无法删除', 'aksrt'), ['status' => 409]);
        }
        global $wpdb;
        $table = \AKSRT\Core\DBMigrator::table('ticket_type');
        $wpdb->delete($table, ['id' => $id], ['%d']);
        TicketTypeService::flush();
        return rest_ensure_response(['success' => true]);
    }

    /* ------------------------------------------------------------------ *
     * 预设回复
     * ------------------------------------------------------------------ */

    public function list_prereplies(\WP_REST_Request $request) {
        return rest_ensure_response(['success' => true, 'data' => TicketPrereplyService::all()]);
    }

    public function create_prereply(\WP_REST_Request $request) {
        $content = trim((string) $request->get_param('content'));
        if ($content === '' || mb_strlen($content) > 2000) {
            return new \WP_Error('aksrt_ticket_prereply_content', __('请填写有效的预设回复', 'aksrt'), ['status' => 400]);
        }
        if (TicketPrereplyService::create($content) <= 0) {
            return new \WP_Error('aksrt_ticket_db', __('预设回复创建失败', 'aksrt'), ['status' => 500]);
        }
        return rest_ensure_response(['success' => true]);
    }

    public function update_prereply(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        if (TicketPrereplyService::find($id) === null) {
            return new \WP_Error('aksrt_ticket_prereply_missing', __('预设回复不存在', 'aksrt'), ['status' => 404]);
        }
        $content = trim((string) $request->get_param('content'));
        if ($content === '' || mb_strlen($content) > 2000) {
            return new \WP_Error('aksrt_ticket_prereply_content', __('请填写有效的预设回复', 'aksrt'), ['status' => 400]);
        }
        if (!TicketPrereplyService::update($id, $content)) {
            return new \WP_Error('aksrt_ticket_db', __('预设回复保存失败', 'aksrt'), ['status' => 500]);
        }
        return rest_ensure_response(['success' => true]);
    }

    public function delete_prereply(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        if (!TicketPrereplyService::delete($id)) {
            return new \WP_Error('aksrt_ticket_db', __('预设回复删除失败', 'aksrt'), ['status' => 500]);
        }
        return rest_ensure_response(['success' => true]);
    }

    public function reorder_prereplies(\WP_REST_Request $request) {
        if (!TicketPrereplyService::reorder((array) $request->get_param('ids'))) {
            return new \WP_Error('aksrt_ticket_prereply_order', __('预设回复排序失败', 'aksrt'), ['status' => 400]);
        }
        return rest_ensure_response(['success' => true]);
    }

    /* ------------------------------------------------------------------ *
     * 后台备注
     * ------------------------------------------------------------------ */

    public function list_notes(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        return rest_ensure_response(['success' => true, 'data' => TicketNoteService::for_ticket($id)]);
    }

    public function create_note(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        if (TicketRepository::get_instance()->find($id) === null) {
            return new \WP_Error('aksrt_ticket_missing', __('工单不存在', 'aksrt'), ['status' => 404]);
        }
        $content = trim((string) $request->get_param('content'));
        if ($content === '' || mb_strlen($content) > 2000) {
            return new \WP_Error('aksrt_ticket_note_content', __('请填写有效的备注内容', 'aksrt'), ['status' => 400]);
        }
        if (TicketNoteService::create($id, $content, get_current_user_id()) <= 0) {
            return new \WP_Error('aksrt_ticket_db', __('备注创建失败', 'aksrt'), ['status' => 500]);
        }
        return rest_ensure_response(['success' => true]);
    }

    public function update_note(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        if (TicketNoteService::find($id) === null) {
            return new \WP_Error('aksrt_ticket_note_missing', __('备注不存在', 'aksrt'), ['status' => 404]);
        }
        $content = trim((string) $request->get_param('content'));
        if ($content === '' || mb_strlen($content) > 2000) {
            return new \WP_Error('aksrt_ticket_note_content', __('请填写有效的备注内容', 'aksrt'), ['status' => 400]);
        }
        if (!TicketNoteService::update($id, $content)) {
            return new \WP_Error('aksrt_ticket_db', __('备注保存失败', 'aksrt'), ['status' => 500]);
        }
        return rest_ensure_response(['success' => true]);
    }

    public function delete_note(\WP_REST_Request $request) {
        $id = absint($request->get_param('id'));
        if (!TicketNoteService::delete($id)) {
            return new \WP_Error('aksrt_ticket_db', __('备注删除失败', 'aksrt'), ['status' => 500]);
        }
        return rest_ensure_response(['success' => true]);
    }
}