"""Person API routes."""
from flask_restx import Namespace, Resource, fields
from app.services.person_service import PersonService
from app.utils.auth_decorator import require_auth

person_ns = Namespace('persons', description='人员管理接口')

# API models for Swagger documentation
person_model = person_ns.model('Person', {
    'id': fields.Integer(readonly=True, description='人员ID'),
    'name': fields.String(required=True, description='人员姓名'),
    'created_at': fields.String(readonly=True, description='创建时间'),
    'updated_at': fields.String(readonly=True, description='更新时间')
})

person_input = person_ns.model('PersonInput', {
    'name': fields.String(required=True, description='人员姓名')
})

person_update = person_ns.model('PersonUpdate', {
    'id': fields.Integer(required=True, description='人员ID'),
    'name': fields.String(required=True, description='人员姓名')
})

person_delete = person_ns.model('PersonDelete', {
    'id': fields.Integer(required=True, description='人员ID')
})

# Response models
success_response = person_ns.model('SuccessResponse', {
    'success': fields.Boolean(description='操作是否成功'),
    'data': fields.Raw(description='返回数据'),
    'message': fields.String(description='消息')
})

error_response = person_ns.model('ErrorResponse', {
    'success': fields.Boolean(description='操作是否成功'),
    'error': fields.String(description='错误信息'),
    'code': fields.String(description='错误代码')
})


@person_ns.route('')
class PersonList(Resource):
    """Resource for listing all persons."""
    
    @person_ns.doc('list_persons')
    @person_ns.response(200, 'Success', success_response)
    @require_auth
    def get(self):
        """获取所有人员列表"""
        persons = PersonService.get_all()
        return {
            'success': True,
            'data': persons,
            'message': 'Persons retrieved successfully'
        }, 200


@person_ns.route('/<int:id>')
@person_ns.param('id', '人员ID')
class PersonDetail(Resource):
    """Resource for getting a single person."""
    
    @person_ns.doc('get_person')
    @person_ns.response(200, 'Success', success_response)
    @person_ns.response(404, 'Person not found', error_response)
    @require_auth
    def get(self, id):
        """根据ID获取人员信息"""
        person, error = PersonService.get_by_id(id)
        if error:
            return {
                'success': False,
                'error': error,
                'code': 'NOT_FOUND'
            }, 404
        
        return {
            'success': True,
            'data': person,
            'message': 'Person retrieved successfully'
        }, 200


@person_ns.route('/create')
class PersonCreate(Resource):
    """Resource for creating a person."""
    
    @person_ns.doc('create_person')
    @person_ns.expect(person_input)
    @person_ns.response(200, 'Success', success_response)
    @person_ns.response(400, 'Validation error', error_response)
    @require_auth
    def post(self):
        """创建新人员"""
        data = person_ns.payload
        name = data.get('name', '')
        
        person, error = PersonService.create(name)
        if error:
            code = 'DUPLICATE_NAME' if '已存在' in error else 'VALIDATION_ERROR'
            return {
                'success': False,
                'error': error,
                'code': code
            }, 400
        
        return {
            'success': True,
            'data': person,
            'message': 'Person created successfully'
        }, 200


@person_ns.route('/update')
class PersonUpdate(Resource):
    """Resource for updating a person."""
    
    @person_ns.doc('update_person')
    @person_ns.expect(person_update)
    @person_ns.response(200, 'Success', success_response)
    @person_ns.response(400, 'Validation error', error_response)
    @person_ns.response(404, 'Person not found', error_response)
    @require_auth
    def post(self):
        """更新人员信息"""
        data = person_ns.payload
        person_id = data.get('id')
        name = data.get('name', '')
        
        if not person_id:
            return {
                'success': False,
                'error': 'Person ID is required',
                'code': 'VALIDATION_ERROR'
            }, 400
        
        person, error = PersonService.update(person_id, name)
        if error:
            if '未找到' in error:
                return {
                    'success': False,
                    'error': error,
                    'code': 'NOT_FOUND'
                }, 404
            code = 'DUPLICATE_NAME' if '已存在' in error else 'VALIDATION_ERROR'
            return {
                'success': False,
                'error': error,
                'code': code
            }, 400
        
        return {
            'success': True,
            'data': person,
            'message': 'Person updated successfully'
        }, 200


@person_ns.route('/delete')
class PersonDelete(Resource):
    """Resource for deleting a person."""
    
    @person_ns.doc('delete_person')
    @person_ns.expect(person_delete)
    @person_ns.response(200, 'Success', success_response)
    @person_ns.response(404, 'Person not found', error_response)
    @require_auth
    def post(self):
        """删除人员"""
        data = person_ns.payload
        person_id = data.get('id')
        
        if not person_id:
            return {
                'success': False,
                'error': 'Person ID is required',
                'code': 'VALIDATION_ERROR'
            }, 400
        
        success, error = PersonService.delete(person_id)
        if error:
            return {
                'success': False,
                'error': error,
                'code': 'NOT_FOUND'
            }, 404
        
        return {
            'success': True,
            'data': None,
            'message': 'Person deleted successfully'
        }, 200