<template>
  <div class="canvas-design-panel">
    <div class="mb-10">
      <b>客户可编辑项</b>
    </div>
    <div class="mb-10">
      <el-checkbox-group v-model="backgroundPerms" size="small">
        <el-row v-for="perm in selectablePerms">
          <el-col :span="10">
            <el-checkbox :key="perm.code" :value="perm.code"
                         @change="backgroundPermChange">
              {{ perm.name }}
            </el-checkbox>
          </el-col>
          <el-col v-if="perm.code == 0 && backgroundPerms.includes('0')" :span="13">
            <el-tag
                v-for="item in userSelectableColors"
                :key="item"
                :color="item"
                closable
                size="small"
                effect="dark"
                @close="onDeleteUserColor(item)"
                class="colorTag"
            />
            <el-color-picker v-model="initColor" size="small" @change="addUserSelectableColor"/>
          </el-col>
        </el-row>
      </el-checkbox-group>
    </div>

    <el-divider style="margin: 12px 0"/>

    <div class="mb-10">
      <b>{{ t("style.canvasSize") }}</b>
    </div>
    <div class="mb-10">
      <el-row class="size-row">
        <el-col :span="11">
          <el-input
              v-model="canvasWidth"
              :value="pageSizeWidth"
              @change="changeTemplateWidth"
              oninput="value=value.replace(/[^\d.]/g,'')"
          >
            <template #prepend>{{ t("style.w") }}</template>
          </el-input>
        </el-col>
        <el-col :span="2" class="fixed-ratio">
          <el-tooltip
              effect="dark"
              placement="top"
              :content="t('style.unlockAspectRatio')"
              v-if="isFixed"
          >
            <IconLock class="icon-btn" @click="changeFixedRatio(false)"/>
          </el-tooltip>
          <el-tooltip
              effect="dark"
              placement="top"
              :content="t('style.lockAspectRatio')"
              v-else
          >
            <IconUnlock class="icon-btn" @click="changeFixedRatio(true)"/>
          </el-tooltip>
        </el-col>
        <el-col :span="11">
          <el-input
              v-model="canvasHeight"
              :value="pageSizeHeight"
              @change="changeTemplateHeight"
              oninput="value=value.replace(/[^\d.]/g,'')"
          >
            <template #prepend>{{ t("style.h") }}</template>
          </el-input>
        </el-col>
      </el-row>
    </div>
    <!--    <div class="mb-10">-->
    <!--      <el-row>-->
    <!--        <el-col :span="11">-->
    <!--          <el-input-->
    <!--              v-model="clip"-->
    <!--              @change="changeTemplateClip"-->
    <!--              oninput="value=value.replace(/[^\d]/g,'')"-->
    <!--              :disabled="unitMode === 1"-->
    <!--          >-->
    <!--            <template #prepend>-->
    <!--              <el-tooltip-->
    <!--                  placement="top"-->
    <!--                  :hide-after="0"-->
    <!--                  :content="t('style.bleedingLine')"-->
    <!--              >-->
    <!--                <IconCuttingOne/>-->
    <!--              </el-tooltip>-->
    <!--            </template>-->
    <!--          </el-input>-->
    <!--        </el-col>-->
    <!--        <el-col :span="2" class="fixed-ratio">-->
    <!--          <el-tooltip-->
    <!--              effect="dark"-->
    <!--              placement="top"-->
    <!--              :content="t('style.fillet')"-->
    <!--              v-if="isRound"-->
    <!--          >-->
    <!--            <IconRound class="icon-btn" @click="changeWorkRound(false)"/>-->
    <!--          </el-tooltip>-->
    <!--          <el-tooltip-->
    <!--              effect="dark"-->
    <!--              placement="top"-->
    <!--              :content="t('style.rightAngle')"-->
    <!--              v-else-->
    <!--          >-->
    <!--            <IconRightAngle class="icon-btn" @click="changeWorkRound(true)"/>-->
    <!--          </el-tooltip>-->
    <!--        </el-col>-->
    <!--        <el-col :span="11">-->
    <!--          <el-input-->
    <!--              v-model="safe"-->
    <!--              @change="changeTemplateSafe"-->
    <!--              oninput="value=value.replace(/[^\d]/g,'')"-->
    <!--              :disabled="unitMode === 1"-->
    <!--          >-->
    <!--            <template #prepend>-->
    <!--              <el-tooltip-->
    <!--                  placement="top"-->
    <!--                  :hide-after="0"-->
    <!--                  :content="t('style.safetyLine')"-->
    <!--              >-->
    <!--                <IconShield/>-->
    <!--              </el-tooltip>-->
    <!--            </template>-->
    <!--          </el-input>-->
    <!--        </el-col>-->
    <!--      </el-row>-->
    <!--    </div>-->
    <!--    <div class="mt-10">-->
    <!--      <el-row>-->
    <!--        <el-col :span="11">-->
    <!--          <el-select v-model="unitMode" @change="changeUnitMode">-->
    <!--            <template #prefix>-->
    <!--              <el-tooltip-->
    <!--                  placement="top"-->
    <!--                  :hide-after="0"-->
    <!--                  :content="t('style.unit')"-->
    <!--              >-->
    <!--                <IconRuler/>-->
    <!--              </el-tooltip>-->
    <!--            </template>-->
    <!--            <el-option-->
    <!--                v-for="item in DesignUnitMode"-->
    <!--                :key="item.id"-->
    <!--                :label="item.name"-->
    <!--                :value="item.id"-->
    <!--            ></el-option>-->
    <!--          </el-select>-->
    <!--        </el-col>-->
    <!--        <el-col :span="2"></el-col>-->
    <!--        &lt;!&ndash;        <el-col :span="11">&ndash;&gt;-->
    <!--        &lt;!&ndash;          <el-select v-model="sizeMode">&ndash;&gt;-->
    <!--        &lt;!&ndash;            <template #prefix>&ndash;&gt;-->
    <!--        &lt;!&ndash;              <el-tooltip&ndash;&gt;-->
    <!--        &lt;!&ndash;                placement="top"&ndash;&gt;-->
    <!--        &lt;!&ndash;                :hide-after="0"&ndash;&gt;-->
    <!--        &lt;!&ndash;                :content="t('style.template')"&ndash;&gt;-->
    <!--        &lt;!&ndash;              >&ndash;&gt;-->
    <!--        &lt;!&ndash;                <IconIdCard />&ndash;&gt;-->
    <!--        &lt;!&ndash;              </el-tooltip>&ndash;&gt;-->
    <!--        &lt;!&ndash;            </template>&ndash;&gt;-->
    <!--        &lt;!&ndash;            <el-option&ndash;&gt;-->
    <!--        &lt;!&ndash;              v-for="item in DesignSizeMode"&ndash;&gt;-->
    <!--        &lt;!&ndash;              :key="item.id"&ndash;&gt;-->
    <!--        &lt;!&ndash;              :label="item.name"&ndash;&gt;-->
    <!--        &lt;!&ndash;              :value="item.id"&ndash;&gt;-->
    <!--        &lt;!&ndash;              :disabled="item.disabled"&ndash;&gt;-->
    <!--        &lt;!&ndash;            ></el-option>&ndash;&gt;-->
    <!--        &lt;!&ndash;          </el-select>&ndash;&gt;-->
    <!--        &lt;!&ndash;        </el-col>&ndash;&gt;-->
    <!--      </el-row>-->
    <!--    </div>-->

    <el-divider style="margin: 12px 0"/>

    <div class="title">
      <b>{{ t("style.canvasFill") }}</b>
    </div>
    <!--    <div class="row">-->
    <!--      <el-button class="full-row" @click="changeAllBackgroud">{{ t("style.applyCanvasToAll") }}</el-button>-->
    <!--    </div>-->
    <Backgrounds/>

    <el-divider style="margin: 12px 0"/>

    <!--    <Watermark/>-->

    <!--    <el-divider style="margin: 12px 0"/>-->

    <!--    <div class="title">-->
    <!--      <b>{{ t("style.canvasMask") }}</b>-->
    <!--    </div>-->
    <!--    <el-row>-->
    <!--      <el-col :span="7" class="slider-name">{{ t("style.opacity") }}：</el-col>-->
    <!--      <el-col :span="13">-->
    <!--        <el-slider :min="0.1" :max="1" :step="0.01" v-model="opacity" @change="changeMaskOpacity"></el-slider>-->
    <!--      </el-col>-->
    <!--      <el-col :span="4" class="slider-num">{{ opacity }}</el-col>-->
    <!--    </el-row>-->
  </div>
</template>

<script lang="ts" setup>
import {Rect} from "fabric";
import {storeToRefs} from "pinia";
import {ElMessage} from "element-plus";
import {ref, watch, onMounted, computed, nextTick} from "vue";
import {mm2px, px2mm} from "@/utils/image";
import useI18n from "@/hooks/useI18n";
import {useFabricStore, useMainStore, useTemplatesStore} from "@/store";
import {
  WorkSpaceClipType,
  WorkSpaceDrawType,
  WorkSpaceMaskType,
} from "@/configs/canvas";
import {
  DesignUnitMode,
  DesignSizeMode,
  MinSize,
  MaxSize,
} from "@/configs/background";
import useCanvas from "@/views/Canvas/useCanvas";
import Backgrounds from "../Backgrounds/index.vue";
import Watermark from "./Watermark/index.vue";
import useHistorySnapshot from "@/hooks/useHistorySnapshot";
import useCanvasScale from '@/hooks/useCanvasScale'
import {WorkSpaceElement} from "@/types/canvas";
import {GradientColorLibs} from "@/configs/colorGradient";

const {t} = useI18n();

const mainStore = useMainStore();
const templatesStore = useTemplatesStore();
const fabricStore = useFabricStore();
const {addHistorySnapshot} = useHistorySnapshot();
const {sizeMode, unitMode} = storeToRefs(mainStore);
const {currentTemplate} = storeToRefs(templatesStore);
const {clip, safe, zoom, opacity} = storeToRefs(fabricStore);
const {setCanvasSize, resetCanvas} = useCanvasScale()

const pageSizeWidth = computed(() => {
  return Math.round(templateWidth.value * 100) / 100
})
const pageSizeHeight = computed(() => {
  return Math.round(templateHeight.value * 100) / 100
})

const templateWidth = computed(() => {
  // const [ canvas ] = useCanvas()
  // if (!canvas) return 0
  const workWidth = currentTemplate.value.width / currentTemplate.value.zoom;
  return unitMode.value === 0 ? px2mm(workWidth) : workWidth;
});

const templateHeight = computed(() => {
  // const [ canvas ] = useCanvas()
  // if (!canvas) return 0
  const workHeight = currentTemplate.value.height / currentTemplate.value.zoom;
  return unitMode.value === 0 ? px2mm(workHeight) : workHeight;
});

// const canvasWidth = ref<number>(px2mm(currentTemplate.value.width / currentTemplate.value.zoom))
const canvasWidth = ref<number>(templateWidth.value);
const canvasHeight = ref<number>(templateHeight.value);

const backgroundPerms = ref([]);
const selectablePerms = [
  {
    "name": "背景颜色",
    "code": "0"
  },
  {
    "name": "背景尺寸",
    "code": "1"
  },
  // {
  //   "name": "上传背景",
  //   "code": "2"
  // }
]

const initColor = ref("#ffffff")

const userSelectableColors = ref([])

const addUserSelectableColor = (color: string) => {
  userSelectableColors.value.push(color);

  const [canvas] = useCanvas();
  canvas.getObjects()
      .filter((item) => item.id === WorkSpaceDrawType).forEach(workSpaceDraw => {
    workSpaceDraw.set({userSelectableColors: userSelectableColors.value})
  })
}

const onDeleteUserColor = (tag: string) => {
  userSelectableColors.value.splice(userSelectableColors.value.indexOf(tag), 1)

  const [canvas] = useCanvas();
  canvas.getObjects()
      .filter((item) => item.id === WorkSpaceDrawType).forEach(workSpaceDraw => {
    workSpaceDraw.set({userSelectableColors: userSelectableColors.value})
  })
}

// 固定宽高
const isFixed = ref(false);

// 直角圆角
const isRound = ref(false);

// 网格 预定义 参数
const RECENT_GRIDS = "RECENT_GRIDS";
const gridColorRecent = ref<[string[]]>([[]]);

//修改背景的可编辑参数
const backgroundPermChange = () => {
  const [canvas] = useCanvas();
  canvas.getObjects()
      .filter((item) => item.id === WorkSpaceDrawType).forEach(workSpaceDraw => {
    workSpaceDraw.set({permissionsConfig: backgroundPerms.value})
  })
}

// 获取画布尺寸
const getCanvasSize = () => {
  let width =
      unitMode.value === 0 ? mm2px(canvasWidth.value) : canvasWidth.value;
  let height =
      unitMode.value === 0 ? mm2px(canvasHeight.value) : canvasHeight.value;
  width = width * zoom.value;
  height = height * zoom.value;
  return {width, height};
};

// 修改画布宽度
const changeTemplateWidth = () => {
  const [canvas] = useCanvas();
  const workSpaceDraw = canvas
      .getObjects()
      .filter((item) => item.id === WorkSpaceDrawType)[0];
  if (!workSpaceDraw) return;
  const ratio = currentTemplate.value.height / currentTemplate.value.width;
  let {width, height} = getCanvasSize();
  if (width / zoom.value < mm2px(MinSize)) {
    ElMessage({
      message: t("style.minimumSizeLimit") + MinSize,
      type: "warning",
    });
    width = mm2px(MinSize) * zoom.value;
  }
  if (width / zoom.value > mm2px(MaxSize)) {
    ElMessage({
      message: t("style.maximumSizeLimit") + MaxSize,
      type: "warning",
    });
    width = mm2px(MaxSize) * zoom.value;
  }
  height = isFixed.value ? width * ratio : height;
  workSpaceDraw.set({width: width / zoom.value, height: height / zoom.value});
  templatesStore.setSize(width, height, zoom.value);
  sizeMode.value = 2;
  canvas.renderAll();
  // resetCanvas()
  addHistorySnapshot();
};

// 修改画布高度
const changeTemplateHeight = () => {
  const [canvas] = useCanvas();
  const workSpaceDraw = canvas
      .getObjects()
      .filter((item) => item.id === WorkSpaceDrawType)[0];
  if (!workSpaceDraw) return;
  const ratio = currentTemplate.value.height / currentTemplate.value.width;
  let {width, height} = getCanvasSize();
  if (height / zoom.value < mm2px(MinSize)) {
    ElMessage({
      message: t("style.minimumSizeLimit") + MinSize,
      type: "warning",
    });
    height = mm2px(MinSize) * zoom.value;
  }
  if (height / zoom.value > mm2px(MaxSize)) {
    ElMessage({
      message: t("style.maximumSizeLimit") + MaxSize,
      type: "warning",
    });
    height = mm2px(MaxSize) * zoom.value;
  }
  width = isFixed.value ? height / ratio : width;
  workSpaceDraw.set({width: width / zoom.value, height: height / zoom.value});
  templatesStore.setSize(width, height, zoom.value);
  sizeMode.value = 2;
  canvas.renderAll();
  // resetCanvas()
  addHistorySnapshot();
};

// 修改出血尺寸
const changeTemplateClip = async () => {
  templatesStore.setClip(clip.value);
  await templatesStore.renderTemplate();
};

// 修改安全尺寸
const changeTemplateSafe = async () => {
  safe.value = Number(safe.value);
  await templatesStore.renderTemplate();
};

// 修改固定宽高比
const changeFixedRatio = (fixedStatus: boolean) => {
  isFixed.value = fixedStatus;
};

// 修改直角圆角
const changeWorkRound = (roundStatus: boolean) => {
  const [canvas] = useCanvas();
  const workSpaceclip = canvas
      .getObjects()
      .filter(
          (item) => WorkSpaceClipType === item.id && item.isType("Rect")
      )[0] as Rect;
  let rx = 0,
      ry = 0;
  isRound.value = roundStatus;
  if (isRound.value) rx = ry = 10;
  workSpaceclip.set({rx, ry});
  canvas.renderAll();
};

// 修改尺寸单位
const changeUnitMode = async () => {
  const width = currentTemplate.value.width / currentTemplate.value.zoom;
  const heigth = currentTemplate.value.height / currentTemplate.value.zoom;
  if (unitMode.value === 0) {
    canvasWidth.value = px2mm(width);
    canvasHeight.value = px2mm(heigth);
    clip.value = 2;
    safe.value = 3;
  } else {
    canvasWidth.value = width;
    canvasHeight.value = heigth;
    clip.value = safe.value = 0;
  }
  await changeTemplateClip();
  await changeTemplateSafe();
};

// 应用背景到所有页面
const changeAllBackgroud = () => {
  templatesStore.templates.forEach((item) => {
    item.workSpace = currentTemplate.value.workSpace;
    const currentWorkSpace = currentTemplate.value.objects.filter(
        (ele) => ele.id === WorkSpaceDrawType
    )[0];
    item.objects = item.objects.map((ele) =>
        ele.id === WorkSpaceDrawType ? currentWorkSpace : ele
    ) as any;
  });
};

// 加载缓存最近添加的网格
onMounted(() => {
  const recentGridCache = localStorage.getItem(RECENT_GRIDS);
  if (recentGridCache) gridColorRecent.value = JSON.parse(recentGridCache);

  setTimeout(() => {
    const [canvas] = useCanvas();
    const workSpaceDraw = canvas
        .getObjects()
        .filter((item) => item.id === WorkSpaceDrawType)[0];
    if (!workSpaceDraw) return;
    if (workSpaceDraw.get('permissionsConfig')) {
      backgroundPerms.value = workSpaceDraw.get('permissionsConfig')
    }
    if (workSpaceDraw.get('userSelectableColors')) {
      userSelectableColors.value = workSpaceDraw.get('userSelectableColors')
    }
  }, 150)
});

// 保存缓存最近添加的网格
watch(
    gridColorRecent,
    () => {
      const recentGridCache = JSON.stringify(gridColorRecent.value);
      localStorage.setItem(RECENT_GRIDS, recentGridCache);
    },
    {deep: true}
);

const changeMaskOpacity = () => {
  const [canvas] = useCanvas();
  const workMask = canvas
      .getObjects()
      .filter((ele) => ele.id === WorkSpaceMaskType)[0];
  if (!workMask) return;
  workMask.set("opacity", opacity.value);
  canvas.renderAll();
};
</script>

<style lang="scss" scoped>
.icon-btn {
  cursor: pointer;
}

.canvas-design-panel {
  user-select: none;
}

.row {
  width: 100%;
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.title {
  margin-bottom: 10px;
}

.fixed-ratio {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.slider-name {
  display: flex;
  align-items: center;
}

.mb-10 {
  margin-bottom: 10px;
}

.full-row {
  flex: 1;
  width: 100%;
}

.full-group {
  display: flex;
  flex: 1;

  .el-button {
    width: 50%;
  }
}

.full-ratio {
  display: flex;
  flex: 1;

  .el-radio-button {
    width: 50%;
  }

  .el-radio-button__inner {
    width: 100%;
  }
}

.background-image {
  height: 0;
  padding-bottom: 56.25%;
  border: 1px dashed var(--el-border-color);
  border-radius: $borderRadius;
  position: relative;
  transition: all $transitionDelay;

  &:hover {
    border-color: var(--el-color-primary);
    color: var(--el-color-primary);
  }

  .content {
    @include absolute-0();

    display: flex;
    justify-content: center;
    align-items: center;
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    cursor: pointer;
  }
}

.theme-list {
  @include flex-grid-layout();
}

.theme-item {
  @include flex-grid-layout-children(2, 48%);

  padding-bottom: 30%;
  border-radius: $borderRadius;
  position: relative;
  cursor: pointer;

  .theme-item-content {
    @include absolute-0();

    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8px;
    border: 1px solid $borderColor;
  }

  .text {
    font-size: 16px;
  }

  .colors {
    display: flex;
  }

  .color-block {
    margin-top: 8px;
    width: 12px;
    height: 12px;
    margin-right: 2px;
  }

  &:hover .btns {
    display: flex;
  }

  .btns {
    @include absolute-0();

    flex-direction: column;
    justify-content: center;
    align-items: center;
    display: none;
    background-color: rgba($color: #000, $alpha: 0.25);
  }

  .btn {
    width: 72px;
    padding: 5px 0;
    text-align: center;
    background-color: $themeColor;
    color: #fff;
    font-size: 12px;
    border-radius: $borderRadius;

    &:hover {
      background-color: #c42f19;
    }

    & + .btn {
      margin-top: 5px;
    }
  }
}

.mt-10 {
  margin-top: 10px;
}

.slider-num {
  display: flex;
  align-items: center;
  justify-content: center;
}
</style>

<style scoped>
:deep(.el-input .el-input-group__prepend) {
  padding: 0 5px;
}

:deep(.el-input .el-input-group__append) {
  padding: 0 5px;
}

:deep(.full-ratio .el-radio-button__inner) {
  width: 100%;
}

:deep(.size-row .el-input-group__prepend) {
  min-width: 24px;
}

.colorTag {
  margin-bottom: 13px;
}

</style>