from flask import request, jsonify, current_app
from datetime import datetime
from app import db
from app.models import Ticket, Product
from . import api_bp
from .license import require_admin

@api_bp.route('/tickets', methods=['GET'])
@require_admin
def get_tickets():
    """获取工单列表"""
    try:
        page = request.args.get('page', 1, type=int)
        per_page = min(request.args.get('per_page', 20, type=int), 100)
        status = request.args.get('status', type=int)
        priority = request.args.get('priority', type=int)
        product_id = request.args.get('product_id')

        query = Ticket.query

        if status is not None:
            query = query.filter_by(status=status)
        if priority is not None:
            query = query.filter_by(priority=priority)
        if product_id:
            query = query.filter_by(product_id=product_id)

        query = query.order_by(Ticket.create_time.desc())
        pagination = query.paginate(page=page, per_page=per_page, error_out=False)

        tickets = [ticket.to_dict() for ticket in pagination.items]

        return jsonify({
            'success': True,
            'data': {
                'tickets': tickets,
                'pagination': {
                    'page': page,
                    'per_page': per_page,
                    'total': pagination.total,
                    'pages': pagination.pages
                }
            }
        })

    except Exception as e:
        current_app.logger.error(f"获取工单列表失败: {str(e)}")
        return jsonify({'success': False, 'message': '服务器内部错误'}), 500

@api_bp.route('/tickets', methods=['POST'])
def create_ticket():
    """创建工单（用户接口）"""
    try:
        data = request.get_json()
        if not data:
            return jsonify({'success': False, 'message': '请求数据为空'}), 400

        title = data.get('title', '').strip()
        product_id = data.get('product_id')
        description = data.get('description', '').strip()

        if not all([title, product_id, description]):
            return jsonify({'success': False, 'message': '缺少必要参数'}), 400

        # 验证产品存在
        product = Product.query.filter_by(product_id=product_id).first()
        if not product:
            return jsonify({'success': False, 'message': '产品不存在'}), 404

        ticket = Ticket(
            title=title,
            product_id=product_id,
            software_version=data.get('software_version'),
            machine_code=data.get('machine_code'),
            license_key=data.get('license_key'),
            description=description,
            priority=data.get('priority', 1)
        )

        db.session.add(ticket)
        db.session.commit()

        return jsonify({
            'success': True,
            'message': '工单创建成功',
            'data': ticket.to_dict()
        })

    except Exception as e:
        db.session.rollback()
        current_app.logger.error(f"创建工单失败: {str(e)}")
        return jsonify({'success': False, 'message': '服务器内部错误'}), 500