const {
    GraphQLSchema,
    GraphQLObjectType,
    GraphQLString,
    GraphQLInt,
    GraphQLFloat,
    GraphQLList
} = require('graphql');

const db = require("../db");

const UserType = new GraphQLObjectType({
    name: 'UserType',
    fields: {
        user_id: {
            type: GraphQLInt
        },
        user_name: {
            type: GraphQLString
        },
        user_pwd: {
            type: GraphQLString
        }, 
        user_time: {
            type: GraphQLString
        }, 
        user_money: {
            type: GraphQLFloat
        },
        user_pic: {
            type: GraphQLString
        },
        user_address: {
            type: GraphQLString
        },
        user_phone: {
            type: GraphQLString
        }
    }
})

const queryObj = new GraphQLObjectType({
    name: 'UserApi',
    description: '所有和用户相关的操作',
    fields: {
        getAllUser: {
            description: '获取所有用户信息',
            type: new GraphQLList(UserType),
            async resolve(parent, args, request) {
                return await db.Query({
                    sql: 'select * from user',
                    data: []
                });
            }
        },
        getOneUser: {
            description: '获取单条用户信息',
            type: UserType,
            args: {
                id: {
                    type: GraphQLInt,
                    defaultValue: 1
                }
            },
            async resolve(parent, args, request) {
                let data = await db.Query({
                    sql: 'select * from user where user_id = ?',
                    data: [args.id]
                });
                return data[0];
            }
        }
    }
})

module.exports = new GraphQLSchema({
    query: queryObj
})