/*
    SkeptCOM | Ceci est l'index, c'est ici qu'on va load les process PM2
*/

    // CONF
const skepticonf = require('./conf/skepticom.json')

    // REQUIRE
const pm2 = require('pm2')
const path = require('path')

    // FUNCTIONS
function buildAppName(name) {
  return {
    "name"        : skepticonf.pm2.prefix + name,
    "script"      : "./services/" + name + ".js",
    "cwd"         : path.resolve(__dirname),
    "instances"   : 1,
    "exec_mode"   : skepticonf.pm2.mode,
    "args"        : [ "--color" ],
    "watch"       : false,
    "ignore_watch" : ["node_modules", "conf", "db"],
    "watch_options": {
      "followSymlinks": true,
      "persistent"    : true,
      "ignoreInitial" : true
    }
  }
}

  // INIT
if (process.argv[2] && process.argv[2] === '--service') {
  let service = process.argv[3]
  let action = process.argv[4]
  let options = process.argv.slice(5, process.argv.length)

  // console.log(`[coucou toi]`, service, action, options) // DEV ONLY

  if (service == 'list') {
    pm2.list((err, list) => {
      if (err) return console.log(`ERROR pm2.list()`)
      if (list.length == 0) return console.log(` -- NO SERVICE RUNNING`)
      for (let i in list) {
        console.log(` -- SERVICE ${list[i].name.replace(skepticonf.pm2.prefix, '')} [WORKING] [${Number(i)+1}/${list.length}] `)
      }
      pm2.disconnect()
    })

  } else if (!service || !action) {
    return console.error(`[ERROR] '--service NomDuService ActionDuService'`)

  } else {

    if (action == 'stop') {

      pm2.list((err, list) => {
        if (err) return console.error(`[ERROR:1.1] '--service NomDuService stop'`)
        let servDesc
        for (let i in list) {
          if (list[i].name.replace(skepticonf.pm2.prefix, '') === service) {
            servDesc = list[i]
          }
        }
        if (servDesc != undefined) {
          pm2.connect(err => {
            if (err) console.error(err)
            pm2.delete(servDesc.name, err => {
              if (err) return console.error(`[ERROR:1.2] '--service NomDuService stop'`)
              console.log(` -- SERVICE ${servDesc.name} [STOP]`)
              pm2.disconnect()
            })
          })
        } else {
          console.log(` [INFO] This service is not load, Check '--service list' for more information`)
        }
        pm2.disconnect()
      })

    } else if (action === 'start') {

      if(!skepticonf.services.includes(service)) return console.log(` [INFO] This service does not exist`)

      pm2.list((err, list) => {
        if (err) return console.error(`[ERROR:2.1] '--service NomDuService start'`)
        let servDesc
        for (let i in list) {
          if (list[i].name.replace(skepticonf.pm2.prefix, '') === service) {
            servDesc = list[i]
          }
        }
        if (servDesc === undefined) {
          let appName = buildAppName(service)
          pm2.connect(err => {
            if (err) console.error(err)
            pm2.start(appName, err => {
              if (err) return console.error(`[ERROR:2.2] '--service NomDuService start'`)
              console.log(` -- SERVICE ${service} [LOAD]`)
              pm2.disconnect()
            })
          })
        } else {
          console.log(` [INFO] This service is load, Check '--service list' for more information`)
        }
        pm2.disconnect()
      })

    } else if (action === 'restart') {

      if(!skepticonf.services.includes(service)) return console.log(` [INFO] This service does not exist`)

      pm2.list((err, list) => {
        if (err) return console.error(`[ERROR:3.1] '--service NomDuService restart'`)
        let servDesc
        for (let i in list) {
          if (list[i].name.replace(skepticonf.pm2.prefix, '') === service) {
            servDesc = list[i]
          }
        }
        if (servDesc != undefined) {
          let appName = buildAppName(service)
          pm2.connect(err => {
            if (err) console.error(err)
            pm2.restart(appName, err => {
              if (err) return console.error(`[ERROR:3.2] '--service NomDuService restart'`)
              console.log(` -- SERVICE ${service} [RELOAD]`)
              pm2.disconnect()
            })
          })
        } else {
          console.log(` [INFO] This service is not load, Check '--service list' for more information`)
        }
        pm2.disconnect()
      })

    }
  }



} else {
  pm2.connect(err => {
    if (err) console.error(err)

    for (let i in skepticonf.services) {
      let appName = buildAppName(skepticonf.services[i])

      if (process.argv[2] === "stop") {

        pm2.delete(appName.name, err => {
          if (err) return console.log(` -- SERVICE ${skepticonf.services[i]} [UNLOADED] [${Number(i)+1}/${skepticonf.services.length}]`)
          console.log(` -- SERVICE ${skepticonf.services[i]} [STOP] [${Number(i)+1}/${skepticonf.services.length}]`)
        })


      } else {
        pm2.start(appName, err => {
          if (err) return console.error(err)
          console.log(` -- SERVICE ${skepticonf.services[i]} [LOAD] [${Number(i)+1}/${skepticonf.services.length}]`)
        })
      }

      if (i == (skepticonf.services.length-1)) {
        setTimeout(function(){
          console.log(` -- ALL PROCESS FINISH -- \n`)
          pm2.disconnect()
          process.exit()
        }, 2000)
      }
    }

  })
}