"use strict";

var express = require('express');
let jobs = require('./jobs');                               //  load the jobs module

var router = module.exports = express.Router();

let jobList = jobs.readJobs();                              //  read the jobs.csv file

//  Just a test to bring up the page
router.get('/', function (req, res) {
    res.render('final', {jobs: jobList, average: 0, title: "All Jobs"});
});


//  just a check to see if the code works
router.get('/check/:check', function(req, res) {
    res.send(req.params.check);
});


//  Here is your endpoint needed to service the request from the POST request from the little mini form
router.post('/jobSearch', function (req, res) {
    //  TODO 1 - Create variables needed by your code. See TO DONT below, it mentions the variables needed



    //  TODO 2   -   List of things to do
    //      TODO A - IF the category and city fields are empty THEN list ALL jobs
    //      TODO B - IF the category and city fields BOTH have data then THEN list all jobs in that city for that category
    //      TODO C - IF the category field has data THEN list all jobs in that category
    //      TODO D - IF the city field has data THEN list all jobs in that city

    //  TODO actually TO DONT
    //  These lines of code will NOT be changed. Below are listed the variables you need to assign
    //      outList - use to contain the list of jobs that fit the users criteria from the web page
    //      average - use to contain the average salary for the jobs you find
    //      title   - use to create a descriptive title for the page - "Average Salary for Managers in Dallas"
    average = average.formatMoney(0, "$ ");
    res.render('final', {jobs: outList, average: average, title: title});
});

//  TODO 3   -   Add a router.get to respond to request from the browser
//                  The router path will be /job/:jobId
//                  Your code will take the req.params.jobId field
//                  and use that to select a job from the jobList array
//                  your code will use res.send to return the job

         //      your code here


/*
 *  Reusing our function from the JavaScript part of the test
 *      Given a list of jobs and a category, build an array with jobs matching that category
 */
function getCategoryJobs(jobs, category) {
    let list = [];                                  //  empty array to hold jobs that match
    for (let job of jobs) {                         //  look at all jobs in array
        if (job.category === category) {            //  does this job match the category we are interested in?
            list.push(job);                         //      yup, save it
        }
    }
    return list;                                    //  send back the jobs found
}


/*
 *  Reusing our function from the JavaScript part of the test
 *      Given a list of jobs and a city, build an array with jobs matching that city
 */
function getCityJobs(jobs, city) {
    let list = [];                                  //  empty array to hold jobs that match
    for (let job of jobs) {                         //  look at all jobs in array
        if (job.city === city) {                    //  does this job match the city we are interested in?
            list.push(job);                         //      yup, save it
        }
    }
    return list;                                    //  send back the jobs found
}


/*
 *  Reusing our function from the JavaScript part of the test
 *      Calculate the average salary for a given list of jobs
 */
function getAverageSalary(jobs) {
    let totalSalary = 0;
    for (let job of jobs) {                         //  look at all jobs in array
        totalSalary += job.salary;
    }
    return totalSalary / jobs.length;
}


// Extend the default Number object with a formatMoney() method:
// usage: someVar.formatMoney(decimalPlaces, symbol, thousandsSeparator, decimalSeparator)
// defaults: (2, "$", ",", ".")
Number.prototype.formatMoney = function (places, symbol, thousand, decimal) {
    places = !isNaN(places = Math.abs(places)) ? places : 2;
    symbol = symbol !== undefined ? symbol : "$";
    thousand = thousand || ",";
    decimal = decimal || ".";
    var number = this,
        negative = number < 0 ? "-" : "",
        i = parseInt(number = Math.abs(+number || 0).toFixed(places), 10) + "",
        j = (j = i.length) > 3 ? j % 3 : 0;
    return symbol + negative + (j ? i.substr(0, j) + thousand : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + thousand) + (places ? decimal + Math.abs(number - i).toFixed(places).slice(2) : "");
};