<script setup>
import { watch, ref } from "vue";

import COLORS from "../../colors";
import TEMPLATES from "../../templates";
import DEFAULT_CONTRACTOR from "../../contractors";
import {
  generateDefaultLogos,
  LOGO_POSITIONS,
  generateLogoPositions,
} from "../../logos";
import {
  loadFonts,
  loadCanvasStorage,
  setCanvasStorage,
  updateAutoRedrawStorage,
} from "../../utils";

import Canvas from "../../components/canvas/Canvas.vue";
import redraw from "./canvas";

import Navbar from "../../components/Navbar.vue";
import MainContainer from "../../components/MainContainer.vue";
import ImageInput from "../../components/inputs/ImageInput.vue";
import LongTextInput from "../../components/inputs/text/LongTextInput.vue";
import ShortTextInput from "../../components/inputs/text/ShortTextInput.vue";
import EmojiInput from "../../components/inputs/EmojiInput.vue";
import RangeInput from "../../components/inputs/RangeInput.vue";
import InputSeparator from "../../components/inputs/InputSeparator.vue";
import SelectInput from "../../components/inputs/SelectInput.vue";
import MultipleColorPicker from "../../components/inputs/colors/MultipleColorPicker.vue";
import ReloadButton from "../../components/reload/ReloadButton.vue";
import AutoReloadCheckbox from "../../components/reload/AutoReloadCheckbox.vue";
</script>

<script>
await loadFonts(["12px Bebas Neue", "12px Roboto Condensed"]);

export default {
  components: {
    Canvas,
    Navbar,
    MainContainer,
    ImageInput,
    LongTextInput,
    ShortTextInput,
    EmojiInput,
    InputSeparator,
    MultipleColorPicker,
  },
  data() {
    const predefinedColors = {
      base: {
        name: "Základní barvy",
        colors: {
          background: COLORS.black,
          highlight: COLORS.yellow1,
          arrow: COLORS.yellow1,
          baseText: COLORS.white,
          highlightedText: COLORS.black,
          contractedByText: COLORS.gray1,
        },
      },
    };

    return {
      mainImage: null,
      mainText: null,
      logoImage: null,
      logoPosition: LOGO_POSITIONS.top_right,
      logoOptions: generateLogoPositions(["top_right", "top_left"]),
      firstEmojiImage: null,
      firstEmojiText: null,
      secondEmojiImage: null,
      secondEmojiText: null,
      contractedBy: DEFAULT_CONTRACTOR,
      colorLabels: {
        background: "Pozadí",
        highlight: "Zvýraznění",
        arrow: "Šipka",
        baseText: "Text",
        highlightedText: "Zvýrazněný text",
      },
      gradientHeightMultiplier: 1,
      predefinedColors: predefinedColors,
      colors: predefinedColors.base.colors,
      predefinedLogoImages: generateDefaultLogos("defaultDark"),
      autoRedraw: false,
    };
  },
  async created() {
    await loadCanvasStorage(this);
  },
  methods: {
    async reloadCanvasProperties() {
      const canvasProperties = {
        mainImage: this.mainImage,
        mainText: this.mainText,
        contractedBy: this.contractedBy,
        logoImage: this.logoImage,
        logoPosition: this.logoPosition,
        colors: this.colors,
        firstEmojiImage: this.firstEmojiImage,
        secondEmojiImage: this.secondEmojiImage,
        firstEmojiText: this.firstEmojiText,
        secondEmojiText: this.secondEmojiText,
        gradientHeightMultiplier: this.gradientHeightMultiplier,
      };

      if (canvasProperties.mainText) {
        window.fileName = canvasProperties.mainText;
      }

      await this.$refs.canvas.redraw(canvasProperties);

      delete canvasProperties.colors;
      setCanvasStorage(canvasProperties);
    },
  },
  mounted() {
    this.$watch(
      (vm) => [
        vm.mainImage,
        vm.mainText,
        vm.contractedBy,
        vm.logoImage,
        vm.logoPosition,
        vm.colors,
        vm.firstEmojiImage,
        vm.secondEmojiImage,
        vm.firstEmojiText,
        vm.secondEmojiText,
        vm.gradientHeightMultiplier,
      ],
      async (value) => {
        if (this.autoRedraw) {
          await this.reloadCanvasProperties();
        }
      },
      {
        immediate: true,
        deep: true,
      },
    );

    this.$watch(
      (vm) => [vm.autoRedraw],
      async (value) => {
        updateAutoRedrawStorage(this.autoRedraw);

        if (this.autoRedraw) {
          await this.reloadCanvasProperties();
        }
      },
    );
  },
};
</script>

<template>
  <header>
    <Navbar :defaultTemplate="TEMPLATES.facebook_survey"></Navbar>
  </header>
  <main>
    <MainContainer>
      <template v-slot:left>
        <Canvas
          ref="canvas"
          :redrawFunction="redraw"
          width="2000"
          height="2000"
        />
      </template>

      <template v-slot:right>
        <ReloadButton :parentRefs="$refs" @click="reloadCanvasProperties" />
        <AutoReloadCheckbox v-model="autoRedraw" />
        <ImageInput
          name="Obrázek"
          v-model="mainImage"
          :important="true"
          zIndex="10"
        />
        <LongTextInput
          name="Hlavní text"
          v-model="mainText"
          :important="true"
          :highlightable="true"
          zIndex="9"
        />

        <EmojiInput
          name="Levé emoji"
          v-model="firstEmojiImage"
          :important="true"
          zIndex="8"
        />

        <ShortTextInput
          name="Levý text"
          v-model="firstEmojiText"
          :important="true"
          zIndex="7"
        />

        <EmojiInput
          name="Pravé emoji"
          v-model="secondEmojiImage"
          :important="true"
          zIndex="6"
        />

        <ShortTextInput
          name="Pravý text"
          v-model="secondEmojiText"
          :important="true"
          zIndex="5"
        />

        <InputSeparator />

        <RangeInput
          name="Výška gradientu"
          v-model="gradientHeightMultiplier"
          min="0"
          max="3"
        />

        <ImageInput
          name="Obrázek loga"
          v-model="logoImage"
          :important="false"
          :predefinedImages="predefinedLogoImages"
          :mustSelectPredefinedImage="true"
          :disableImageInput="true"
          zIndex="4"
        />
        <SelectInput
          name="Pozice loga"
          :options="logoOptions"
          v-model="logoPosition"
          zIndex="3"
        />

        <MultipleColorPicker
          name="Barvy"
          v-model="colors"
          :important="false"
          :colorLabels="colorLabels"
          :predefinedColors="predefinedColors"
          :defaultPredefinedColors="predefinedColors.base"
          zIndex="2"
        ></MultipleColorPicker>

        <ShortTextInput
          name="Zadavatel a zpracovatel"
          v-model="contractedBy"
          :defaultValue="DEFAULT_CONTRACTOR"
          :important="false"
          zIndex="1"
        />
      </template>
    </MainContainer>
  </main>
</template>

<style>
@import "vue-select/dist/vue-select.css";
</style>
