<template>
  <div class="menu-bar__content menu-bar-content home-list p-3">
    <Breadcrumbs />

    <div class="home-list__header pt-3 pb-0">
      <div class="flex-grow-1">
        <form
          class="search-form mx-0 w-100"
          role="search"
          @submit.prevent="sendQuery"
        >
          <div class="form-group">
            <div class="d-flex">
              <select
                v-model="listTypeId"
                class="form-control"
                @change="getList()"
              >
                <option
                  v-for="subject in subjects"
                  :key="subject.id"
                  :value="subject.id"
                >
                  {{ subject.title }}
                </option>
              </select>

              <div class="context-menu-dropdown">
                <div class="dropdown">
                  <button
                    class="btn pl-0"
                    type="button"
                    id="dropdownMenu2"
                    data-toggle="dropdown"
                    aria-haspopup="true"
                    aria-expanded="false"
                  >
                    <i class="tavasi tavasi-Component-281--1"></i>
                  </button>
                  <div class="dropdown-menu" aria-labelledby="dropdownMenu2">
                    <button
                      class="dropdown-item text-right"
                      @click.prevent="showReplaceInput = !showReplaceInput"
                      type="button"
                    >
                      <i class="tavasi tavasi-Component-78--9---2"
                        ><span class="path1"></span><span class="path2"></span
                      ></i>
                      جستجو
                    </button>
                    <button
                      data-toggle="modal"
                      data-target="#new-item-modal"
                      @click.prevent="openModal()"
                      class="dropdown-item text-right"
                      type="button"
                    >
                      <span class="tavasi tavasi-Component-133--1"></span>
                      <!-- <span class="tavasi tavasi-add"></span> -->
                      پوشه جدید
                    </button>
                  </div>
                </div>
              </div>
            </div>
          </div>

          <div v-if="showReplaceInput" class="form-group">
            <div class="input-group">
              <input
                v-model="searchForm.query"
                type="search"
                required
                class="form-control"
                id="search-query"
                placeholder="جستجو..."
                name="search-query"
                aria-label="جستجو در اسناد، عناوین و واژگان"
                aria-describedby="basic-addon1"
                size="50"
                @keyup="sendQuery()"
                @keydown="onKeyDown()"
              />
              <div class="input-group-append">
                <button
                  @click="showReplaceInput = !showReplaceInput"
                  type="button"
                  class="input-group-text show-reset-btn"
                  id="basic-addon1"
                >
                  <i class="tavasi tavasi-Component-294--1"></i>
                </button>
              </div>
            </div>
          </div>
        </form>
      </div>
    </div>

    <div class="home-list__content scroll-needed" :class="{ loading: loading }">
      <div class="last-search h-100">
        <div class="last-search-content h-100">
          <div v-if="list.length">
            <div class="item mb-3 prev-level" v-if="meta.length">
              <!--              <span style="font-size: 1.1rem;" class="tavasi tavasi-Component-71&#45;&#45;1 ml-2"></span>-->
              <div v-for="(metaItem, index) in meta">
                <a
                  :key="metaItem.id"
                  @click.prevent="getList(metaItem.parent)"
                  :href="metaItem.title"
                  class="title d-flex "
                  :title="metaItem.title"
                >
                  {{ metaItem.title }}
                </a>

                <span
                  style="font-size: 1.4rem;"
                  v-if="index < meta.length - 1"
                  class="tavasi tavasi-arrow-down"
                ></span>
              </div>
            </div>

            <div v-for="(item, index) in list" :key="item.title" class="item">
              <draggable
                :sort="false"
                :disabled="false"
                group="people"
                @add="onDrop($event, item)"
              >
                <div
                  class="d-flex position-relative"
                  :class="{ 'is-selected': item?.isSelected }"
                >
                  <rename-form
                    v-if="
                      item?.editMode && item?.parentComponent === 'subjectPanel'
                    "
                    :title="item.title"
                    :loading="loading"
                    @closeForm="item.editMode = false"
                    @saveChanges="editItem($event, item, list)"
                  ></rename-form>

                  <div v-else>
                    <a
                      v-if="item.children"
                      @click.prevent="getListChildren(item, index)"
                      :href="item.title"
                      class="title"
                      :title="item.title"
                    >
                      <span
                        v-if="item.children?.length"
                        class="tavasi tavasi-remove"
                      ></span>
                      <!-- <span v-else class="tavasi tavasi-add"></span> -->
                      <span
                        v-else
                        class="tavasi tavasi-Component-133--1"
                      ></span>
                    </a>
                    <a
                      :class="{ active: item?.active ?? false }"
                      @click.prevent="getItems(item, index)"
                      :href="item.title"
                      class="title"
                      :title="item.title"
                    >
                      <i
                        v-if="!item.children || item.children.length === 0"
                        class="tavasi tavasi-Component-149--3"
                      ></i>
                      <!--                  <i v-if="item.children === 0" class="tavasi tavasi-Component-149&#45;&#45;3"></i>-->
                      <!--                  <i v-else class="tavasi tavasi-Component-360&#45;&#45;58">-->
                      <!--                    <span class="path1"></span>-->
                      <!--                    <span class="path2"></span>-->
                      <!--                  </i>-->
                      {{ item.title }}
                    </a>

                    <div v-if="!item?.isSelected">
                      <context-menu
                        :parentComponent="'subjectPanel'"
                        :list="list"
                        :clickedItem="item"
                        :contextMenu="contextMenu"
                        @remove-item="removeItem(item, list)"
                      >
                      </context-menu>
                    </div>
                  </div>
                </div>
                <ul v-if="Array.isArray(item.children)" class="children">
                  <li
                    class="position-relative"
                    v-for="(child, childIndex) in item.children"
                    :key="child.title"
                  >
                    <rename-form
                      v-if="
                        child?.editMode &&
                          child?.parentComponent === 'subjectPanel'
                      "
                      :title="child.title"
                      :loading="loading"
                      @closeForm="child.editMode = false"
                      @saveChanges="editItem($event, child, item.children)"
                    ></rename-form>
                    <div v-else>
                      <a
                        @click.prevent="getItems(child, childIndex)"
                        :href="child.title"
                        class="title"
                        :title="child.title"
                      >
                        <i
                          v-if="child.children === 0"
                          class="tavasi tavasi-Component-149--3"
                        ></i>

                        <i v-else class="tavasi tavasi-Component-360--58">
                          <span class="path1"></span>
                          <span class="path2"></span>
                        </i>
                        {{ child.title }}
                      </a>
                      <div v-if="!child?.isSelected">
                        <context-menu
                          :parentComponent="'subjectPanel'"
                          :list="item.children"
                          :clickedItem="child"
                          :contextMenu="contextMenu"
                          @remove-item="removeItem(child, item.children)"
                        >
                        </context-menu>
                      </div>
                    </div>
                  </li>
                </ul>
              </draggable>
            </div>
          </div>
          <no-data v-else />
        </div>

        <!--        <div class="last-search-footer" v-if="list.length > 0">-->
        <!--          <button class="btn last-search-more-btn" type="button">بیشتر</button>-->
        <!--        </div>-->
      </div>
    </div>

    <div v-if="showModal">
      <NewListModal
        :listTypeId="listTypeId"
        :selectedItem="selectedItem"
        :parentId="parentId"
        @close-modal="closeModal"
        @delete-item="updateList"
        @update-list="updateList"
      />
    </div>
  </div>
</template>

<script>
import apis from "~/apis/listApi";

export default {
  props: ["items", "subjectId", "index"],
  emits: ["list-changed", "list-item-changed"],

  data() {
    return {
      contextMenu: [],

      subjects: [
        {
          id: 0,
          title: "موضوعات",
        },
        {
          id: 1,
          title: "نمایه",
          disabled: true,
        },
        {
          id: 2,
          title: "برچسب",
          disabled: true,
        },
      ],
      showModal: false,
      prevSelectedItemIndex: undefined,
      prevItem: undefined,

      meta: [],
      projects: [],
      list: [],
      listItem: [],
      listTypeId: 0,
      parentId: undefined,
      selectedItem: {},

      typingTimer: 0,
      doneTypingInterval: 1000,

      cloneItems: [],
      loading: false,
      searchForm: {
        query: "",
      },
      editMode: false,
      showReplaceInput: false,
    };
  },

  methods: {
    getListItem(subjectId, index) {
      this.markActive(index);
      if (this.fetchingData) return;
      this.fetchingData = true;
  
      const payload = {
        // projectid: this.listTypeId,
        bychilds: 0,
        projectid: 1,
        subjectid: this.subjectId,

        ...this.pagination,
      };

      ApiService.formData(apis.subjectRelation.list, payload)
        .then((res) => {
          this.listItem = res.data.data;
          this.listItem.forEach((item, index) => {
            Object.keys(item).forEach((value, key) => {
              if (value === "resource") {
                item[value] = this.getProjectTitle(item[value]);
              }
            });
          });

          this.pagination = {...this.pagination,...res.data.pagination};

        })
        
        .finally(() => {
          this.fetchingData = false;
        });
    },

    addItemToList(itemId, listId) {
      const payload = {
        itemid: itemId,
        listid: listId,
        listtype: this.listTypeId,
        projectid: 1,
      };

      ApiService.formData(apis.subject.add, payload).then((res) => {
        this.mySwalToast({
          title: "تبریک",
          html: res.data.message,
          icon: "success",
        });
      });
    },
    removeItem(listItem, listArray) {
      this.mySwalConfirm({
        title: "هشدار!!!",
        html: `از حذف <b>${listItem.title}</b> اطمینان دارید؟ `,
        icon: "warning",
      }).then((result) => {
        if (result.isConfirmed) {
          const payload = {
            subjectid: listItem.id,
          };

          ApiService.formData(apis.subject.delete, payload)
            .then((res) => {
              this.mySwalToast({
                html: res.data.message,
                icon: "success",
              });

              const indexOfList = listArray.findIndex(
                (item) => item.id === listItem.id
              );
              listArray.splice(indexOfList, 1);
            })
            .catch((err) => {
              this.mySwalToast({
                title: "خطا!!!",
                html: err.message,
                icon: "error",
              });
            });
        }
      });
    },
    editItem(newTitle, subject, subjectArray) {
      if (this.loading) return;
      this.loading = true;

      const model = {
        title: newTitle,
        subjectid: subject.id,
        newparent: subject.parent ? subject.parent : 0,
      };

      ApiService.formData(apis.subject.edit, model)
        .then((res) => {
          list.editMode = false;

          const resultIndex = subjectArray.findIndex(
            (item) => subject.id === item.id
          );

          if (resultIndex > -1) {
            this.$set(subjectArray[resultIndex], "title", newTitle);
          }

          this.mySwalToast({
            title: "تبریک",

            html: res.data.message,
            icon: "success",
          });
        })
        .catch((err) => {
          this.mySwalToast({
            title: "خطا!!!",
            html: err?.message,
            icon: "error",
          });
        })
        .finally(() => (this.loading = false));
    },

    getListChildren(item, index) {
      if (Array.isArray(item.children)) {
        item = { ...item, ...{ children: item.children.length } };
        this.$set(this.list, index, item);
      } else {
        const payload = {
          parent: item.id,
          sortby: "id",
          offset: 0,
          limit: 100,
          listtype: this.listTypeId,
          projectid: 1,
        };

        ApiService.formData(apis.subject.list, payload).then((res) => {
          item = { ...item, ...{ children: res.data.data } };
          this.$set(this.list, index, item);
        });
      }
    },
    getItems(item, index) {
      if (Array.isArray(item.children)) {
        this.$emit("set-selected-list", item.children[0]);
        this.getListItem(item.children[0].id, index);
      } else if (item.children > 0) {
        this.parentId = item.id;
        this.$emit("set-selected-list", item);
        this.getList(item.id);
      } else {
        this.$emit("set-selected-list", item);

        this.getListItem(item.id, index);
      }
    },
    getList(parent = 0) {
      const payload = {
        parent: parent,
        sortby: "id",
        offset: 0,
        limit: 100,
        listtype: this.listTypeId,
        projectid: 1,
      };

      ApiService.formData(apis.subject.list, payload).then((res) => {
        this.list = res.data.data;
        this.meta = res.data?.meta ?? [];

        this.$emit("list-changed", {
          subjectId: parent,
          listTypeId: this.listTypeId,
        });
        // if (res.data.meta)
        //   this.meta = res.data.meta.filter((item, index) => index > 0);
      });
    },

    updateList() {
      this.resetPagination();
      this.closeModal();
      this.getList(this.parentId);
    },
    resetPagination() {
      this.pagination = {
        pages: 0,
        total: 0,
          page: 1,
          offset: 0,// page * per_page
          limit: 50//per_page
        }
    },
    markActive(index) {
      if (this.prevSelectedItemIndex !== undefined) {
        this.$set(this.list[this.prevSelectedItemIndex], "active", false);
      }

      this.prevSelectedItemIndex = index;
      this.$set(this.list[index], "active", true);
    },

    sendQuery() {
      // todo: show loading.
      // todo: send query and show result.
      // todo: hide loading.

      clearTimeout(this.typingTimer);
      this.typingTimer = setTimeout(() => {
        // request data from api
      }, this.doneTypingInterval);
    },
    onKeyDown() {
      clearTimeout(this.typingTimer);
    },
    resetForm() {
      this.searchForm.query = "";
      this.searchForm.replaceWith = "";
      this.cloneItems = structuredClone(this.items);
    },

    onDrop(ev, list) {
      const itemId = ev.item["_underlying_vm_"]["id"];
      const listId = list.id;

      this.addItemToList(itemId, listId);
    },
    closeModal() {
      $("#new-item-modal").modal("hide");

      setTimeout(() => {
        this.showModal = false;
      }, 500);
    },
    openModal() {
      this.showModal = true;

      setTimeout(() => {
        $("#new-item-modal").modal(
          { backdrop: "static", keyboard: false },
          "show"
        );
      }, 500);
    },
  },
  mounted() {
    this.this.contextMenu = require(`~/json//subjectContextMenu.json`).filter(
      (item) => item.show
    );
  },
};
</script>

<style scoped lang="scss">
.menu-bar__content {
  position: static;
  flex: 1 1 100%;
  max-width: 305px;
  width: auto;
}

.home-list__content {
  /*max-height: calc(100vh - 12em);*/
  height: calc(100vh - 8em);
  position: relative;
  overflow-x: hidden;
  padding-left: 0.3em;

  &.loading {
    //background-image: url('./img/item-loading.svg');
    background-repeat: repeat-y;
    background-position: top right;
    background-size: 12em;

    &::before {
      content: "";
      clear: both;

      position: absolute;
      right: 0;
      width: 0.5em;

      height: 100%;
      background-color: #fff;

      animation-name: example;
      animation-duration: 2s;
      animation-fill-mode: forwards;
      animation-iteration-count: infinite;
      animation-timing-function: ease-in-out;
    }
  }
}
</style>
