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

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

let 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';

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

Vue.use(Vuex);

@Module({ dynamic: true, name: 'user' })
export default class User extends VuexModule {
  // Non occorrono i getters, basta questi qui:
  _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 = 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());
    let 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: ['user'] })
  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(Errori_MongoDb.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(Errori_MongoDb.ERR_GENERICO);
        return { code: Errori_MongoDb.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(Errori_MongoDb.ERR_GENERICO);
        return { code: Errori_MongoDb.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(Errori_MongoDb.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(Errori_MongoDb.ERR_GENERICO);
        return { code: Errori_MongoDb.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(Errori_MongoDb.ERR_GENERICO);
        return { code: Errori_MongoDb.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(Errori_MongoDb.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(Errori_MongoDb.ERR_GENERICO);
        return { code: Errori_MongoDb.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(Errori_MongoDb.ERR_GENERICO);
        return { code: Errori_MongoDb.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(Errori_MongoDb.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: Errori_MongoDb.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 Errori_MongoDb.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(Errori_MongoDb.ERR_GENERICO);
            return Errori_MongoDb.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(Errori_MongoDb.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: Errori_MongoDb.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 Errori_MongoDb.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(Errori_MongoDb.ERR_GENERICO);
        return Errori_MongoDb.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')
  }

}