import React, {Component} from 'react'
import classNames from 'classnames/bind'
import {MdDone, MdFace, MdCheckBox, MdCheckBoxOutlineBlank} from 'react-icons/lib/md'
import Button from 'components/utils/button'
import ExclusiveField from 'components/exclusive_field'
import {color} from 'common/styles'
import {array_contains, array_from_hash, property_toggler, create_hash} from 'common/utilities'
import store from 'common/store'
import auto_bind from 'common/auto_bind'
import {alert_warning} from 'actions/display'
import {show_popover, dismiss_popover} from 'actions/display'

const examples = {
  user: {
    comment: `Ex: Numéro de dossier, Commentaire suite à l'entretien, Date de naissance ...`,
    non_exclusive: `Ex: Langue, Compétences, Établissement préféré ...`,
    exclusive: `Ex: Équipe, Dossier validé, Qualification ...`,
    file: `Ex: Titre de séjour, Carte vitale, RIB ...`,
  },
  mission: {
    comment: `Ex: Référence de la mission, Précisions sur l'accès au lieu, Données de contact ...`,
    non_exclusive: `Ex: Matériel requis, Personnes à contacter ...`,
    exclusive: `Ex: Client, Tenue vestimentaire ...`,
    computed: `Ex: Montant HT, Montant TTC ...`,
  },
  mission_proposal: {
    comment: `Ex: Chiffre d'affaire réalisé, Appréciation suite à la mission ...`,
    non_exclusive: `Ex: Compétences validées ...`,
    exclusive: `Ex: Note sur la mission, Tenue ...`,
    template: `Ex: Contrat de travail, Autorisation d'accès au lieu de la mission ...`,
    computed: `Ex: Nom du contact, Salaire, ...`,
  },
  shift: {
    comment: `Ex: Commentaire, Nombre de clients servis, Bonus ...`,
    non_exclusive: `Ex: Pause, Primes ...`,
    exclusive: `Ex: Panier repas ...`,
    computed: `Ex: Salaire, Prime de dimanche, ...`,
  },
  value: {
    comment: `Ex: Numéro de téléphone ...`,
    non_exclusive: `Ex: Matériel demandé ...`,
    exclusive: `Ex: Type de client ...`,
    computed: `Ex: Adresse complète ...`,
  },
  workplace: {
    comment: `Ex: Numéro de téléphone ...`,
    non_exclusive: `Ex: Équipements présents ...`,
    exclusive: `Ex: Client ...`,
  },
  deal: {
    computed: `Ex: Total HT, Total TTC ...`,
    template: `Ex: Devis, Facture ...`
  },
}

let cx = classNames.bind(require('styles/new_field_form.scss'))

class NewFieldForm extends Component {
  constructor(props) {
    super(props)
    this.state = {
      kind: this.props.type == "mission" && array_from_hash(this.props.existing_fields).length > 0 ? "" : "new"
    }
    auto_bind(this)
  }

  render() {
    switch (this.state.kind) {
      case "new":
        return (
          <New {...this.props} />
        )
      case "recycled":
        return (
          <Recycled {...this.props} />
        )
      default:
        return (
          <div className={cx('new-field-form')}>
            <div className={cx('new-field-form__mission', 'new-field-form__mission_choice')}>
              <span>Quel genre de champ voulez-vous créer ?</span>
              <div className={cx('new-field-form__mission__buttons')}>
                <div className={cx('new-field-form__mission__buttons__button')}>
                  <Button onClick={() => this.setState({kind: "new"})}>
                    Créer un champ mission spécifique
                  </Button>
                </div>
                <div className={cx('new-field-form__mission__buttons__description')}>
                  Vous pourrez ainsi renseigner des informations sur vos missions et choisir de les partager avec les candidats.
                </div>
              </div>
              <div className={cx('new-field-form__mission__buttons')}>
                <div className={cx('new-field-form__mission__buttons__button')}>
                  <Button onClick={() => this.setState({kind: "recycled"})}>
                    Réutiliser un champ candidat
                  </Button>
                </div>
                <div className={cx('new-field-form__mission__buttons__description')}>
                  Cela permet de réutiliser dans la fiche descriptive de la mission un champ utilisé pour filtrer vos candidats
                </div>
              </div>
            </div>
          </div>
        )
    }
  }
}

class Recycled extends Component {
  constructor(props) {
    super(props)
    this.state = {
      id: false,
      shared_with_user: false,
    }
    auto_bind(this)
  }

  toggle_shared_with_user() {
    this.setState(property_toggler("shared_with_user"))
  }

  create_field() {
    this.props.recycle_field(this.state)
  }

  render() {
    return (
      <div className={cx('new-field-form__mission')}>
        <div>
          <ExclusiveField
            values={array_from_hash(this.props.existing_fields)}
            selected={this.state.id}
            on_clear={() => this.setState({id: false})}
            name={"Quel champ voulez-vous réutiliser ?"}
            on_select_value={(id) => this.setState({id})}
            allow_creating_values={false}
          />
        </div>
        <Setting
          label="Visible par le candidat"
          toggle={this.toggle_shared_with_user}
          />
        <div className={cx('new-field-form__create-button')}>
          <Button disabled={!this.state.id} onClick={this.create_field} icon={MdDone}>
            Créer le nouveau champ
          </Button>
        </div>
      </div>
    )
  }
}

class New extends Component {
  constructor(props) {
    super(props)
    this.state = {
      name: "",
      category: "non_exclusive",
      shared_with_user: true,
      shared_by_user: true,
    }
    auto_bind(this)
  }

  componentDidMount() {
    this.name_input.focus()
  }

  create_field() {
    this.props.create_field(this.state)
  }

  update_field(state) {
    this.setState(state)
  }

  get_settings() {
    switch (this.props.type) {
      case "user":
        return [{
          label: "Renseigné par le candidat",
          initial: this.state.shared_by_user,
          toggle: () => this.setState(property_toggler("shared_by_user")),
        }]
      case "mission":
        return [{
          label: "Visible par le candidat",
          initial: this.state.shared_with_user,
          toggle: () => this.setState(property_toggler("shared_with_user")),
        }]
      default:
        return []
    }
  }

  render_setting(setting, index) {
    return <Setting key={index} {...setting} />
  }

  render() {
    let {type} = this.props
    let {name, category} = this.state
    return (
      <div className={cx('new-field-form', 'new-field-form_new')}>
        <div className={cx('new-field-form__parameters')}>
          <FieldNameInput ref={(name_input) => this.name_input = name_input} on_change={this.update_field} />
          <FieldCategorySelection
            on_change={this.update_field}
            options={Object.keys(examples[type])}
            examples={examples[type][category]}
            />
        </div>
        {this.get_settings().map(this.render_setting)}
        <div className={cx('new-field-form__create-button')}>
          <Button disabled={name.trim().length == 0} onClick={this.create_field} icon={MdDone}>
            Créer le nouveau champ
          </Button>
        </div>
      </div>
    )
  }
}

class FieldNameInput extends Component {
  constructor(props) {
    super(props)
    this.state = {
      name: ""
    }
    auto_bind(this)
  }

  focus() {
    this.input.focus()
  }

  onChange({target: {value: name}}) {
    let state = {name}
    this.setState(state)
    this.props.on_change(state)
  }

  render() {
    return (
      <input
        ref={(input) => this.input = input}
        className={cx('new-field-form__name-input')}
        type="text"
        placeholder={"Nom"}
        value={this.state.name}
        onChange={this.onChange}
        />
    )
  }
}

class FieldCategorySelection extends Component {
  constructor(props) {
    super(props)
    this.state = {
      category: 'non_exclusive',
    }
    auto_bind(this)
  }

  on_change(category) {
    let state = {category}
    this.setState(state)
    this.props.on_change(state)
  }

  make_option(id) {
    let names = {
      comment: 'Texte libre',
      non_exclusive: 'Multi-valeur à choix multiples',
      exclusive: 'Multi-valeur à choix unique',
      file: 'Document stocké',
      template: `Document généré à partir d'un modèle`,
      computed: 'Valeur calculée',
    }
    return {id, name: names[id]}
  }

  render() {
    let {options, examples} = this.props
    return (
      <div className={cx('new-field-form__category-selection')}>
        <ExclusiveField
          values={options.map(this.make_option)}
          selected={this.state.category}
          name={"Catégorie"}
          on_select_value={this.on_change}
          allow_creating_values={false}
          searchable={false}
          />
        <div className={cx('new-field-form__category-selection-examples')}>
          {examples}
        </div>
      </div>

    )
  }
}

class Setting extends Component {
  constructor(props) {
    super(props)
    this.state = {
      checked: props.initial,
    }
    auto_bind(this)
  }

  toggle() {
    this.setState(property_toggler('checked'))
    this.props.toggle()
  }

  render() {
    let {label} = this.props
    return (
      <div onClick={this.toggle} className={cx('new-field-form__setting', {'new-field-form__setting_checked': this.state.checked})}>
        {this.state.checked ? (
          <MdCheckBox />
        ) : (
          <MdCheckBoxOutlineBlank />
        )}
        <div className={cx('new-field-form__setting-label')}>
          {label}
        </div>
      </div>
    )
  }
}

NewFieldForm.defaultProps = {
  create_field() {},
  existing_fields: {},
  type: 'mission',
}

export default NewFieldForm