<template lang="pug">
  transition(:duration="400")
    .modal(v-show='isShown', v-cloak)
      transition(name='modal-background')
        .modal-background(v-show='isShown')
      .modal-container
        transition(name='modal-content')
          .modal-content(v-show='isShown')
            header.is-light-blue {{ $t('modal.createpagetitle') }}
            section
              label.label {{ $t('modal.createpagepath') }}
              p.control.is-fullwidth(v-bind:class='{ "is-loading": isLoading }')
                input.input(type='text', placeholder='page-name', v-model='userPath', ref='createPageInput', @keyup.enter='create', @keyup.esc='cancel')
                span.help.is-red(v-show='isInvalid') {{ $t('modal.createpageinvalid') }}
            footer
              a.button.is-grey.is-outlined(v-on:click='cancel') {{ $t('modal.discard') }}
              a.button.is-light-blue(v-on:click='create') {{ $t('modal.create') }}
</template>

<script>
export default {
  name: 'modal-create-page',
  props: ['basepath'],
  data () {
    return {
      currentPath: '',
      userPath: '',
      isLoading: false,
      isInvalid: false
    }
  },
  computed: {
    isShown () {
      if (this.$store.state.modalCreatePage.shown) {
        this.makeSelection()
      }
      return this.$store.state.modalCreatePage.shown
    }
  },
  methods: {
    makeSelection: function () {
      let self = this
      self._.delay(() => {
        let startPos = (self.currentPath.length > 0) ? self.currentPath.length + 1 : 0
        self.$helpers.form.setInputSelection(self.$refs.createPageInput, startPos, self.userPath.length)
      }, 100)
    },
    cancel: function () {
      this.$store.dispatch('modalCreatePage/close')
    },
    create: function () {
      this.isInvalid = false
      let newDocPath = this.$helpers.pages.makeSafePath(this.userPath)
      if (this._.isEmpty(newDocPath)) {
        this.isInvalid = true
      } else {
        this.isLoading = true
        window.location.assign('/create/' + newDocPath)
      }
    }
  },
  mounted () {
    this.currentPath = (this.basepath === 'home') ? '' : this.basepath
    this.userPath = (this._.isEmpty(this.currentPath)) ? 'new-page' : this.currentPath + '/new-page'
  }
}
</script>