<template>
  <div class="signup">
    <h2 v-on:click="displaySignup" id="signup-title">Sign up!</h2>
    <div v-if="!hidden" id="form-container">
      <form v-on:submit="formSub" action="#" id="signup-form">
        <span v-on:click="hidden = true" id="signup-exit">Not now</span>
        <input type="text" v-model="username" placeholder="Username" id="username-input" class="signup-input">
        <span v-if="nameErr" class="signup-error">Please enter a username</span>
        <input type="email" v-model="email" placeholder="Email" id="email-input" class="signup-input">
        <span v-if="emailErr" class="signup-error">Please enter your email address</span>
        <input type="email" v-model="emailConfirm" placeholder="Confirm Email" id="email-confirm" class="signup-input">
        <span v-if="emailMatchErr" class="signup-error">Email does not match</span>
        <input type="password" v-model="password" placeholder="Password" id="password-input" class="signup-input">
        <span v-if="passwordErr" class="signup-error">Please enter a password</span>
        <input type="password" v-model="passwordConfirm" placeholder="Confirm Password" id="password-confirm" class="signup-input">
        <span v-if="passwordMatchErr" class="signup-error">Password does not match</span>
        <button type="submit" id="form-submit">Go!</button>
      </form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'signup',
  data () {
    return {
      hidden: true,
      username: '',
      email: '',
      emailConfirm: '',
      password: '',
      passwordConfirm: '',
      nameErr: false,
      emailErr: false,
      emailMatchErr: false,
      passwordErr: false,
      passwordMatchErr: false
    }
  },
  methods: {
    formSub: function(e) {
      if(this.username == "") {
        e.preventDefault();
        this.nameErr = true;
      }
      else if(this.email == "") {
        e.preventDefault();
        this.emailErr = true;
      }
      else if(this.email != this.emailConfirm) {
        e.preventDefault();
        this.emailMatchErr = true;
      }
      else if(this.password == "") {
        e.preventDefault();
        this.passwordErr = true;
      }
      else if(this.password != this.passwordConfirm) {
        e.preventDefault();
        this.passwordMatchErr;
      }
      else {
        e.preventDefault();
        this.username = '';
        this.email = '';
        this.emailConfirm = '';
        this.password = '';
        this.paswordConfirm = ''
        //Call to backend goes here
      }
    },
    displaySignup: function() {
      this.nameErr = false;
      this.emailErr = false;
      this.emailMatchErr = false;
      this.passwordErr = false;
      this.passwordMatchErr = false;
      this.hidden = false;
    }
  }
}
</script>

<style scoped>
  #signup-title {
    cursor: pointer;
  }

  #signup-exit {
    cursor: pointer;
    text-align: right;
  }

  #form-container {
    height: 520px;
    width: 370px;
    box-shadow: 0px 0px 7px 2px grey;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 5px;
    position: absolute;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .signup-input {
    display: flex;
    width: 250px;
    height: 50px;
    margin: 0 auto;
    margin-bottom: 5px;
    text-align: center;
    font-size: 1.6em;
  }

  .signup-error {
    color: red;
  }

  #form-submit {
    display: block;
    margin: 0 auto;
    background-color: white;
    width: 150px;
    height: 50px;
    font-size: 1.6em;
    border: none;
    cursor: pointer;
  }
</style>