import Vue from 'vue'
import Vuex from 'vuex'

import { Module, VuexModule, Mutation, MutationAction, Action, getModule } from 'vuex-module-decorators'

const bcrypt = require('bcryptjs')

import * as types from '@/store/mutation-types'
import { serv_constants } from '@/store/modules/serv_constants'

import { IUserState, ILinkReg, IResult, IIdToken } from '@/types'

import store from '@/store'

export const ErroriMongoDb = {
  CALLING: 10,
  OK: 20,
  ERR_GENERICO: -1,
  DUPLICATE_EMAIL_ID: 11000,
  DUPLICATE_USERNAME_ID: 11100
}

Vue.use(Vuex)

@Module({ dynamic: true, store, name: 'user' })
class User extends VuexModule {
  _id: IUserState['_id'] = ''
  email: IUserState['email'] = ''
  username: IUserState['username'] = ''
  idapp: IUserState['idapp'] = process.env.APP_ID
  password: IUserState['password'] = ''
  lang: IUserState['lang'] = ''
  ripetipassword: IUserState['ripetipassword'] = ''
  idToken: IUserState['idToken'] = ''
  userId: IUserState['userId'] = 0
  tokens: IUserState['tokens'] = []
  verifiedEmail: IUserState['verifiedEmail'] = false
  servercode: number = 0

  getlang(): any {
    if (this.lang !== '') {
      return this.lang
    } else {
      return process.env.LANG_DEFAULT
    }
  }

  sendRequest(url: string, method: string, mydata: any) {
    console.log('LANG ' + this.getlang())
    const mytok: string = this.getTok()

    const authHeader = new Headers()
    authHeader.append('content-type', 'application/json')
    authHeader.append('x-auth', mytok)
    authHeader.append('accept-language', this.getlang())
    const configInit: RequestInit = {
      method: method,
      cache: 'no-cache',
      body: JSON.stringify(mydata),
      headers: authHeader
    }

    const request: Promise<Response> = fetch(url, configInit)
    return request

  }

  getTok() {
    if (this.tokens) {
      if (typeof this.tokens[0] !== 'undefined') {
        return this.tokens[0].token
      } else {
        return ''
      }
    } else {
      return ''
    }
  }

  @MutationAction({ mutate: [types.USER_PASSWORD] })
  async setpassword(newstr: string) {
    return { password: newstr }
  }

  @MutationAction({ mutate: [types.USER_EMAIL] })
  async setemail(newstr: string) {
    return { email: newstr }
  }

  @MutationAction({ mutate: [types.USER_LANG] })
  async setlang(newstr: string) {
    return { lang: newstr }
  }

  @Mutation
  authUser(data: IUserState) {
    this.username = data.username
    this.userId = data.userId
    this.idToken = data.idToken
    this.verifiedEmail = data.verifiedEmail
    this.tokens = [
      { access: 'auth', token: data.idToken }
    ]
  }

  @Mutation
  UpdatePwd(data: IIdToken) {
    this.idToken = data.idToken
    if (!this.tokens) {
      this.tokens = []
    }
    this.tokens.push({ access: 'auth', token: data.idToken })
  }

  @Mutation
  setServerCode(servercode: number) {
    this.servercode = servercode
  }

  @Mutation
  clearAuthData(): void {
    this.username = ''
    this.tokens = []
    this.idToken = ''
    this.userId = 0
    this.verifiedEmail = false
  }

  @Action({ commit: types.USER_UPDATEPWD })
  resetpwd(paramquery: IUserState) {
    let call = process.env.MONGODB_HOST + '/updatepwd'
    console.log('CALL ' + call)

    let usertosend = {
      keyappid: process.env.PAO_APP_ID,
      idapp: process.env.APP_ID,
      email: paramquery.email,
      password: paramquery.password,
      tokenforgot: paramquery.tokenforgot
    }
    console.log(usertosend)

    this.setServerCode(ErroriMongoDb.CALLING)

    let myres

    let x_auth_token: string = ''

    return this.sendRequest(call, 'POST', usertosend)
      .then((res) => {
        console.log(res)
        myres = res
        x_auth_token = String(res.headers.get('x-auth'))
        if (myres.status === 200) {
          return myres.json()
        }
        this.setServerCode(ErroriMongoDb.ERR_GENERICO)
        return { code: ErroriMongoDb.ERR_GENERICO, msg: 'Errore: ' + myres.status, resetpwd: true }

      })
      .then((body) => {
        this.UpdatePwd({ idToken: x_auth_token })
        localStorage.setItem('token', x_auth_token)

        return { code: body.code, msg: body.msg }
      }).catch((err) => {
        console.log('ERROR: ' + err)
        this.setServerCode(ErroriMongoDb.ERR_GENERICO)
        return { code: ErroriMongoDb.ERR_GENERICO, msg: 'Errore' }
      })

  }

  @Action({ commit: types.USER_REQUESTRESETPWD })
  requestpwd(paramquery: IUserState) {

    let call = process.env.MONGODB_HOST + '/requestnewpwd'
    console.log('CALL ' + call)

    let usertosend = {
      keyappid: process.env.PAO_APP_ID,
      idapp: process.env.APP_ID,
      email: paramquery.email
    }
    console.log(usertosend)

    this.setServerCode(ErroriMongoDb.CALLING)

    let myres

    return this.sendRequest(call, 'POST', usertosend)
      .then((res) => {
        console.log(res)
        myres = res
        if (myres.status === 200) {
          return myres.json()
        }
        this.setServerCode(ErroriMongoDb.ERR_GENERICO)
        return { code: ErroriMongoDb.ERR_GENERICO, msg: 'Errore: ' + myres.status, resetpwd: true }

      })
      .then((body) => {
        return { code: body.code, msg: body.msg }
      }).catch((err) => {
        console.log('ERROR: ' + err)
        this.setServerCode(ErroriMongoDb.ERR_GENERICO)
        return { code: ErroriMongoDb.ERR_GENERICO, msg: 'Errore' }
      })

  }

  @Action({ commit: types.USER_VREG })
  vreg(paramquery: ILinkReg) {
    let call = process.env.MONGODB_HOST + '/vreg'
    console.log('CALL ' + call)

    let usertosend = {
      keyappid: process.env.PAO_APP_ID,
      idapp: process.env.APP_ID,
      idLink: paramquery.idLink
    }
    console.log(usertosend)

    this.setServerCode(ErroriMongoDb.CALLING)

    let myres

    return this.sendRequest(call, 'POST', usertosend)
      .then((res) => {
        console.log(res)
        myres = res
        if (myres.status === 200) {
          return myres.json()
        }
        this.setServerCode(ErroriMongoDb.ERR_GENERICO)
        return { code: ErroriMongoDb.ERR_GENERICO, msg: 'Errore: ' + myres.status }

      })
      .then((body) => {
        // console.log("RITORNO 2 ");
        // this.setServerCode(myres);
        if (body.code === serv_constants.RIS_CODE_EMAIL_VERIFIED) {
          localStorage.setItem('verificato', '1')
        }
        return { code: body.code, msg: body.msg }
      }).catch((err) => {
        console.log('ERROR: ' + err)
        this.setServerCode(ErroriMongoDb.ERR_GENERICO)
        return { code: ErroriMongoDb.ERR_GENERICO, msg: 'Errore' }
      })
  }

  @Action({ commit: types.USER_VREG })
  signup(authData: IUserState) {
    let call = process.env.MONGODB_HOST + '/users'
    console.log('CALL ' + call)

    // console.log("PASSW: " + authData.password);

    return bcrypt.hash(authData.password, bcrypt.genSaltSync(12))
      .then((hashedPassword: string) => {
        let usertosend = {
          keyappid: process.env.PAO_APP_ID,
          lang: this.getlang(),
          email: authData.email,
          password: String(hashedPassword),
          username: authData.username,
          idapp: process.env.APP_ID
        }

        console.log(usertosend)

        let myres: IResult

        this.setServerCode(ErroriMongoDb.CALLING)

        let x_auth_token: string = ''

        return this.sendRequest(call, 'POST', usertosend)
          .then((res) => {
            myres = res
            x_auth_token = String(res.headers.get('x-auth'))
            if (x_auth_token) {
              return res.json()
            } else {
              return { status: 400, code: ErroriMongoDb.ERR_GENERICO }
            }
          })
          .then((body) => {
            if (process.env.DEV) {
              console.log('RISULTATO ')
              console.log('STATUS ' + myres.status + ' ' + (myres.statusText))
              console.log('BODY:')
              console.log(body)
            }

            this.setServerCode(myres.status)

            if (myres.status === 200) {
              let iduser = body._id
              let username = authData.username
              if (process.env.DEV) {
                console.log('USERNAME = ' + username)
                console.log('IDUSER= ' + iduser)
              }

              this.authUser({
                username: username,
                userId: iduser,
                idToken: x_auth_token,
                verifiedEmail: false
              })

              const now = new Date()
              // const expirationDate = new Date(now.getTime() + myres.data.expiresIn * 1000);
              const expirationDate = new Date(now.getTime() + 1000)
              localStorage.setItem('username', username)
              localStorage.setItem('token', x_auth_token)
              localStorage.setItem('userId', iduser)
              localStorage.setItem('expirationDate', expirationDate.toString())
              localStorage.setItem('verificato', '0')
              // dispatch('storeUser', authData);
              // dispatch('setLogoutTimer', myres.data.expiresIn);

              return ErroriMongoDb.OK
            } else if (myres.status === 404) {
              if (process.env.DEV) {
                console.log('CODE = ' + body.code)
              }
              return body.code
            } else {
              if (process.env.DEV) {
                console.log('CODE = ' + body.code)
              }
              return body.code
            }
          })
          .catch((error) => {
            if (process.env.DEV) {
              console.log('ERROREEEEEEEEE')
              console.log(error)
            }
            this.setServerCode(ErroriMongoDb.ERR_GENERICO)
            return ErroriMongoDb.ERR_GENERICO
          })
      })
  }

  @Action({ commit: types.USER_SIGNIN })
  signin(authData: IUserState) {
    let call = process.env.MONGODB_HOST + '/users/login'
    console.log('LOGIN ' + call)

    console.log('MYLANG = ' + this.getlang())

    const usertosend = {
      username: authData.username,
      password: authData.password,
      idapp: process.env.APP_ID,
      keyappid: process.env.PAO_APP_ID,
      lang: this.getlang()
    }

    console.log(usertosend)

    let myres: IResult

    this.setServerCode(ErroriMongoDb.CALLING)

    let x_auth_token: string = ''

    return this.sendRequest(call, 'POST', usertosend)
      .then((res) => {
        myres = res
        x_auth_token = String(res.headers.get('x-auth'))
        let injson = res.json()

        if (x_auth_token || injson) {
          return injson
        } else {
          return { status: 400, code: ErroriMongoDb.ERR_GENERICO }
        }
      })
      .then((body) => {
        if (process.env.DEV) {
          console.log('RISULTATO ')
          console.log('STATUS ' + myres.status + ' ' + (myres.statusText))
          console.log('BODY:')
          console.log(body)
        }

        if (body.code === serv_constants.RIS_CODE_LOGIN_ERR) {
          this.setServerCode(body.code)
          return body.code
        }

        this.setServerCode(myres.status)

        if (myres.status === 200) {
          let iduser = body._id
          let username = authData.username
          let verifiedEmail = body.verifiedEmail === 'true' || body.verifiedEmail === true
          if (process.env.DEV) {
            console.log('USERNAME = ' + username)
            console.log('IDUSER= ' + iduser)
            this.authUser({
              username: username,
              userId: iduser,
              idToken: x_auth_token,
              verifiedEmail: verifiedEmail
            })
          }

          const now = new Date()
          // const expirationDate = new Date(now.getTime() + myres.data.expiresIn * 1000);
          const expirationDate = new Date(now.getTime() + 1000)
          localStorage.setItem('username', username)
          localStorage.setItem('token', x_auth_token)
          localStorage.setItem('userId', iduser)
          localStorage.setItem('expirationDate', expirationDate.toString())
          localStorage.setItem('isLoggedin', String(true))
          localStorage.setItem('verificato', String(verifiedEmail))

          // dispatch('storeUser', authData);
          // dispatch('setLogoutTimer', myres.data.expiresIn);
          return ErroriMongoDb.OK
        } else if (myres.status === 404) {
          if (process.env.DEV) {
            console.log('CODE = ' + body.code)
          }
          return body.code
        } else {
          if (process.env.DEV) {
            console.log('CODE = ' + body.code)
          }
          return body.code
        }
      })
      .catch((error) => {
        if (process.env.DEV) {
          console.log('ERROREEEEEEEEE')
          console.log(error)
        }
        this.setServerCode(ErroriMongoDb.ERR_GENERICO)
        return ErroriMongoDb.ERR_GENERICO
      })
  }

  @Action({ commit: types.USER_AUTOLOGIN })
  autologin() {
    const token = localStorage.getItem('token')
    if (!token) {
      return
    }
    const expirationDateStr = localStorage.getItem('expirationDate')
    let expirationDate = new Date(String(expirationDateStr))
    const now = new Date()
    if (now >= expirationDate) {
      return
    }
    const userId = Number(localStorage.getItem('userId'))
    const username = String(localStorage.getItem('username'))
    const verifiedEmail = localStorage.getItem('verificato') === '1'
    this.authUser({
      username: username,
      userId: userId,
      idToken: token,
      verifiedEmail: verifiedEmail
    })
  }

  @Action({ commit: types.USER_LOGOUT })
  logout() {

    let call = process.env.MONGODB_HOST + '/users/me/token'
    console.log('CALL ' + call)

    let usertosend = {
      keyappid: process.env.PAO_APP_ID,
      idapp: process.env.APP_ID
    }

    console.log(usertosend)
    this.sendRequest(call, 'DELETE', usertosend)
      .then(
        (res) => {
          console.log(res)
        }
      ).catch((err) => {
      console.log('ERROR: ' + err)
    }).then(() => {
      this.clearAuthData()
    })

    localStorage.removeItem('expirationDate')
    localStorage.removeItem('token')
    localStorage.removeItem('userId')
    localStorage.removeItem('username')
    localStorage.removeItem('isLoggedin')
    localStorage.removeItem('verifiedEmail')

    // router.replace('/signin')
  }

}

export const UserModule = getModule(User.prototype)