const mysql = require('./mysql');
const fields = require("../maps/field")
const code = require("../maps/rcodeMap");
/**
 * 查找是否有指定用户名的账户
 * @param userType 用户类型
 * @param account 账号
 * @returns {Promise<unknown>}
 */
function findAccountUser(userType,account){
    let sql = `select * from user where accountType = ? and account = ?`;
    let values = [userType,account];
    return mysql.pq(sql,values);
}

/**
 * 查找是否手机号是否被绑定
 * @param userType 用户类型
 * @param phone 手机号
 * @returns {Promise<unknown>}
 */
function findPhoneUser(userType,phone){
    let sql = `select count(*) as total from user where accountType = ? and phone = ?`;
    let values = [userType,phone];
    return mysql.pq(sql,values);
}

/**
 * 登录
 * @param userType
 * @param account
 * @param passwd
 * @returns {Promise<unknown>}
 */
function login(userType,account,passwd){
    let sql = `select * from user where accountType = ? and account = ? and passwd = ?`;
    let values = [...arguments];
    return mysql.pq(sql,values);
}


/**
 * 根据id修改密码
 * @param id
 * @param newPasswd
 * @returns {Promise<unknown>}
 */
function  changePasswd(id,newPasswd){
    let sql = `update user set passwd = ? where id = ?`;
    let values = [newPasswd,id];
    return mysql.pq(sql,values);
}

/**
 * 修改账号手机号
 * @param id
 * @param phone
 * @returns {Promise<unknown>}
 */
function changePhone(id,phone){
    let sql = `update user set Phone = ? where id = ?`;
    let values = [phone,id];
    return mysql.pq(sql,values);
}

/**
 * 新增用户
 * @param userType 账户类型
 * @param nickName 用户名称
 * @param account 登录账号
 * @param passwd 密码
 * @returns {Promise<unknown>}
 */
function register(userType,nickName,account,passwd){
    let sql = `insert into user(nickName,account,passwd,accountType) values(?,?,?,?)`;
    let values = [nickName,account,passwd,userType];
    return mysql.pq(sql,values);
}

function info(type,account){
    let sql = `select * from user where accountType = ? and account = ?`;
    let values = [type,account];
    return mysql.pq(sql,values);
}


function findCar(userId,flightId){
    let sql = ``,values = [];
    sql = `select c.*,f.flightState,f.currentPrice,f.sailingTime,f.langdinTime,dep.cityname as departureCityName,tar.cityname as targetCityName
            from
            flight as f
            inner JOIN (select * from car ) as c on c.flightId = f.id
            LEFT JOIN (select id,cityName from area ) as dep on dep.id = f.departureCity
            LEFT JOIN (select id,cityName from area ) as tar on tar.id = f.targetCity
            where c.userId = ? and flightId = ?;`
    values.push(userId,flightId);
    return mysql.pq(sql,values);
}

function cars(userId){
    let sql = ``,values = [];
    sql = `select c.*,f.flightState,f.currentPrice,f.sailingTime,f.langdinTime,dep.cityname as departureCityName,tar.cityname as targetCityName
            from
            flight as f
            inner JOIN (select * from car ) as c on c.flightId = f.id
            LEFT JOIN (select id,cityName from area ) as dep on dep.id = f.departureCity
            LEFT JOIN (select id,cityName from area ) as tar on tar.id = f.targetCity
            where c.userId = ?;`
    values.push(userId);
    return mysql.pq(sql,values);
}


function addCar(flightId,userId){
    let sql = `insert into car(flightId,userId) values(?,?)`;
    let values = [flightId,userId];
    return mysql.pq(sql,values);
}

/**
 * 添加乘机人
 * @param userId
 * @param name
 * @param card
 * @param phone
 * @param defaultState
 * @returns {Promise | Promise<unknown>}
 */
function addTravel(userId,name,card,phone,defaultState){
    let sql = `insert into travel(userId,name,card,phone,default) values(?,?,?,?,?)`;
    let values = [userId,name,card,phone,defaultState];
    return mysql.pq(sql,values);
}
// 获取乘机人
function travels(userId){
    let sql = `select * from travel where userId = ?`;
    let values = [userId];
    return mysql.pq(sql,values);
}

/**
 * 修改指定用户的所有状态
 * @param userId
 * @param travelState
 * @returns {Promise | Promise<unknown>}
 */
function changeAllTravelState(userId,travelState = fields.travelState_notDefault){
    let sql = `update travel set default = ? where userId = ?`;
    let values = [travelState,userId];
    return mysql.pq(sql,values);
}

/**
 * 修改指定乘机人的信息
 * @param travelId
 * @param params
 * @returns {Promise | Promise<unknown>}
 */
function changeTravel(travelId,params){
    let sql=`update travel set`,values=[];
    let fields = Object.keys(params);
    fields = fields.filter(field=>params[field])
    if(fields.length<1){
        throw {rcode:code.notParam}
    }
    for(let field of fields) {
        // console.log(`${field} : ${searchItems[field]}`)
        if (!params[field]) {
            continue;
        }
        sql+=` ${field} = ?`
        values.push(params[field])
    }
    sql+=` where id=?`;
    values.push(travelId)
    // let sql = `update travel set default = ? where userId = ?`;
    // let values = [travelState,userId];
    return mysql.pq(sql,values);
}

// 修改乘机人
function removeTravel(travelId,name,card,phone,defaultState){
    let sql = `delete from travel where id = ?`;
    let values = [travelId];
    return mysql.pq(sql,values);
}


// 修改乘机人
function travelInfo(travelId){
    let sql = `select * from travel where id = ?`;
    let values = [travelId];
    return mysql.pq(sql,values);
}


/**
 * 移除购物车的指定行 根据id
 * @param carId 要删除的id
 * @returns {Promise<unknown>}
 */
function removeCar(carId){
    let sql = `delete from car where id = ?`;
    let values = [carId];
    return mysql.pq(sql,values);
}

module.exports =  {
    register,
    login,
    findAccountUser,
    findPhoneUser,
    changePhone,
    changePasswd,
    info,
    cars,
    removeCar,
    addCar,
    findCar,
    removeTravel,
    addTravel,
    travels,
    travelInfo,
    changeAllTravelState,
    changeTravel
}