import React from "react"
import misago from "misago/index"
import Button from "misago/components/button"
import Form from "misago/components/form"
import StartSocialAuth from "misago/components/StartSocialAuth"
import ajax from "misago/services/ajax"
import modal from "misago/services/modal"
import snackbar from "misago/services/snackbar"
import showBannedPage from "misago/utils/banned-page"

export default class extends Form {
  constructor(props) {
    super(props)

    this.state = {
      isLoading: false,
      showActivation: false,

      username: "",
      password: "",

      validators: {
        username: [],
        password: [],
      },
    }
  }

  clean() {
    if (!this.isValid()) {
      snackbar.error(gettext("Fill out both fields."))
      return false
    } else {
      return true
    }
  }

  send() {
    return ajax.post(misago.get("AUTH_API"), {
      username: this.state.username,
      password: this.state.password,
    })
  }

  handleSuccess() {
    let form = $("#hidden-login-form")

    form.append('<input type="text" name="username" />')
    form.append('<input type="password" name="password" />')

    // fill out form with user credentials and submit it, this will tell
    // Misago to redirect user back to right page, and will trigger browser's
    // key ring feature
    form.find('input[type="hidden"]').val(ajax.getCsrfToken())
    form.find('input[name="redirect_to"]').val(window.location.pathname)
    form.find('input[name="username"]').val(this.state.username)
    form.find('input[name="password"]').val(this.state.password)
    form.submit()

    // keep form loading
    this.setState({
      isLoading: true,
    })
  }

  handleError(rejection) {
    if (rejection.status === 400) {
      if (rejection.code === "inactive_admin") {
        snackbar.info(rejection.detail)
      } else if (rejection.code === "inactive_user") {
        snackbar.info(rejection.detail)
        this.setState({
          showActivation: true,
        })
      } else if (rejection.code === "banned") {
        showBannedPage(rejection.detail)
        modal.hide()
      } else {
        snackbar.error(rejection.detail)
      }
    } else if (rejection.status === 403 && rejection.ban) {
      showBannedPage(rejection.ban)
      modal.hide()
    } else {
      snackbar.apiError(rejection)
    }
  }

  getActivationButton() {
    if (!this.state.showActivation) return null

    return (
      <a
        className="btn btn-success btn-block"
        href={misago.get("REQUEST_ACTIVATION_URL")}
      >
        {gettext("Activate account")}
      </a>
    )
  }

  render() {
    return (
      <div className="modal-dialog modal-sm modal-sign-in" role="document">
        <div className="modal-content">
          <div className="modal-header">
            <button
              aria-label={pgettext("modal", "Close")}
              className="close"
              data-dismiss="modal"
              type="button"
            >
              <span aria-hidden="true">&times;</span>
            </button>
            <h4 className="modal-title">{gettext("Sign in")}</h4>
          </div>
          <form onSubmit={this.handleSubmit}>
            <div className="modal-body">
              <StartSocialAuth
                buttonLabel={gettext("Sign in with %(site)s")}
                formLabel={gettext("Or use your forum account:")}
                labelClassName="text-center"
              />

              <div className="form-group">
                <div className="control-input">
                  <input
                    className="form-control input-lg"
                    disabled={this.state.isLoading}
                    id="id_username"
                    onChange={this.bindInput("username")}
                    placeholder={gettext("Username or e-mail")}
                    type="text"
                    value={this.state.username}
                  />
                </div>
              </div>

              <div className="form-group">
                <div className="control-input">
                  <input
                    className="form-control input-lg"
                    disabled={this.state.isLoading}
                    id="id_password"
                    onChange={this.bindInput("password")}
                    placeholder={gettext("Password")}
                    type="password"
                    value={this.state.password}
                  />
                </div>
              </div>
            </div>
            <div className="modal-footer">
              {this.getActivationButton()}
              <Button
                className="btn-primary btn-block"
                loading={this.state.isLoading}
              >
                {gettext("Sign in")}
              </Button>
              <a
                className="btn btn-default btn-block"
                href={misago.get("FORGOTTEN_PASSWORD_URL")}
              >
                {gettext("Forgot password?")}
              </a>
            </div>
          </form>
        </div>
      </div>
    )
  }
}