<template>
  <v-dialog v-model="dialog" :disabled="disabled" content-class="uiPopup" width="600px" max-width="100vw" persistent @keydown.esc="dialog = false">
    <v-bottom-nav v-if="useNavigation" slot="activator" :disabled="disabled" :value="true" color="white" class="elevation-0 buttomNavigation">
      <v-btn :disabled="disabled" flat value="send">
        <span>Send tokens</span>
        <v-icon>send</v-icon>
      </v-btn>
    </v-bottom-nav>
    <button v-else-if="!noButton" slot="activator" :disabled="disabled" class="btn btn-primary mt-1 mb-1">
      Send tokens
    </button>
    <v-card class="elevation-12">
      <div class="popupHeader ClearFix">
        <a class="uiIconClose pull-right" aria-hidden="true" @click="dialog = false"></a>
        <span class="PopupTitle popupTitle">Send Tokens</span>
      </div>
      <send-tokens-form ref="sendTokensForm"
                        :account="account"
                        :contract-details="contractDetails"
                        class="pt-4"
                        @sent="$emit('sent', $event, contractDetails)"
                        @close="dialog = false"
                        @error="$emit('error', $event)" />
    </v-card>
  </v-dialog>
</template>

<script>
import SendTokensForm from './SendTokensForm.vue';

import {setDraggable} from '../WalletUtils.js';

export default {
  components: {
    SendTokensForm
  },
  props: {
    account: {
      type: String,
      default: function() {
        return null;
      }
    },
    contractDetails: {
      type: Object,
      default: function() {
        return {};
      }
    },
    noButton: {
      type: Boolean,
      default: function() {
        return false;
      }
    },
    useNavigation: {
      type: Boolean,
      default: function() {
        return false;
      }
    },
    isReadonly: {
      type: Boolean,
      default: function() {
        return false;
      }
    },
    open: {
      type: Boolean,
      default: function() {
        return false;
      }
    },
    contract: {
      type: Object,
      default: function() {
        return {};
      }
    }
  },
  data () {
    return {
      dialog: null,
    };
  },
  computed: {
    balance() {
      return this.contractDetails && this.contractDetails.balance;
    },
    etherBalance() {
      return this.contractDetails && this.contractDetails.etherBalance;
    },
    disabled() {
      return this.isReadonly
        || !this.balance
        || this.balance === 0
        || (typeof this.balance === "string" 
            && (!this.balance.length || this.balance.trim() === "0"))
        || !this.etherBalance
        || this.etherBalance === 0
        || (typeof this.etherBalance === "string" 
            && (!this.etherBalance.length || this.etherBalance.trim() === "0"));
    }
  },
  watch: {
    open() {
      this.dialog = this.open;
      if (this.open) {
        this.$nextTick(() => {
          setDraggable();
        });
      }
    },
    dialog() {
      if (this.dialog) {
        this.$refs.sendTokensForm.init();
      } else {
        this.$emit('close');
      }
    }
  }
};
</script>

