<template>
  <el-container class="fm2-container">
    <el-main class="fm2-main">
      <el-container>
        <el-aside width="250px">
          <div class="components-list">
            <template v-if="basicFields.length">
              <div class="widget-cate">基础字段</div>
              <draggable
                tag="ul"
                :list="basicComponents"
                v-bind="{
                  group: { name: 'people', pull: 'clone', put: false },
                  sort: false,
                  ghostClass: 'ghost',
                }"
                :move="handleMove"
                @end="handleMoveEnd"
                @start="handleMoveStart"
              >
                <template v-for="(item, index) in basicComponents">
                  <li
                    v-if="basicFields.indexOf(item.type) >= 0"
                    :key="index"
                    class="form-edit-widget-label"
                    :class="{ 'no-put': item.type == 'divider' }"
                  >
                    <a>
                      <i class="icon iconfont" :class="item.icon" />
                      <span>{{ item.name }}</span>
                    </a>
                  </li>
                </template>
              </draggable>
            </template>

            <template v-if="advanceFields.length">
              <div class="widget-cate">高级字段</div>
              <draggable
                tag="ul"
                :list="advanceComponents"
                v-bind="{
                  group: { name: 'people', pull: 'clone', put: false },
                  sort: false,
                  ghostClass: 'ghost',
                }"
                :move="handleMove"
                @end="handleMoveEnd"
                @start="handleMoveStart"
              >
                <template v-for="(item, index) in advanceComponents">
                  <li
                    v-if="advanceFields.indexOf(item.type) >= 0"
                    :key="index"
                    class="form-edit-widget-label"
                    :class="{ 'no-put': item.type == 'table' }"
                  >
                    <a>
                      <i class="icon iconfont" :class="item.icon" />
                      <span>{{ item.name }}</span>
                    </a>
                  </li>
                </template>
              </draggable>
            </template>

            <template v-if="layoutFields.length">
              <div class="widget-cate">布局字段</div>
              <draggable
                tag="ul"
                :list="layoutComponents"
                v-bind="{
                  group: { name: 'people', pull: 'clone', put: false },
                  sort: false,
                  ghostClass: 'ghost',
                }"
                :move="handleMove"
                @end="handleMoveEnd"
                @start="handleMoveStart"
              >
                <template v-for="(item, index) in layoutComponents">
                  <li
                    v-if="layoutFields.indexOf(item.type) >= 0"
                    :key="index"
                    class="form-edit-widget-label no-put"
                  >
                    <a>
                      <i class="icon iconfont" :class="item.icon" />
                      <span>{{ item.name }}</span>
                    </a>
                  </li>
                </template>
              </draggable>
            </template>
          </div>
        </el-aside>
        <el-container class="center-container" direction="vertical">
          <el-header class="btn-bar" style="height: 45px">
            <slot name="action" />
            <el-button
              v-if="upload"
              type="text"
              size="medium"
              icon="el-icon-upload2"
              @click="handleUpload"
              >导入JSON</el-button
            >
            <el-button
              v-if="clearable"
              type="text"
              size="medium"
              icon="el-icon-delete"
              @click="handleClear"
              >清空</el-button
            >
            <el-button
              v-if="preview"
              type="text"
              size="medium"
              icon="el-icon-view"
              @click="handlePreview"
              >预览</el-button
            >
            <el-button
              v-if="generateJson"
              type="text"
              size="medium"
              icon="el-icon-tickets"
              @click="handleGenerateJson"
              >生成JSON</el-button
            >
            <el-button
              v-if="generateCode"
              type="text"
              size="medium"
              icon="el-icon-document"
              @click="handleGenerateCode"
              >生成代码</el-button
            >
          </el-header>
          <el-main :class="{ 'widget-empty': widgetForm.list.length == 0 }">
            <widget-form
              v-if="!resetJson"
              ref="widgetForm"
              :data="widgetForm"
              :select.sync="widgetFormSelect"
            />
          </el-main>
        </el-container>

        <el-aside class="widget-config-container" style="width: 305px">
          <el-container>
            <el-header height="45px">
              <div
                class="config-tab"
                style="width: 100%"
                :class="{ active: configTab == 'widget' }"
                @click="handleConfigSelect('widget')"
              >
                字段属性
              </div>
              <!-- <div class="config-tab" :class="{active: configTab=='form'}" @click="handleConfigSelect('form')">表单属性</div> -->
            </el-header>
            <el-main class="config-content">
              <widget-config
                v-if="widgetFormSelect !== null"
                v-show="configTab == 'widget'"
                :form="widgetForm"
                :data="widgetFormSelect"
              />
              <!-- <form-config v-show="configTab=='form'" :data="widgetForm.config" /> -->
            </el-main>
          </el-container>
        </el-aside>

        <cus-dialog
          ref="widgetPreview"
          :visible="previewVisible"
          width="1000px"
          form
          @on-close="previewVisible = false"
        >
          <generate-form
            v-if="previewVisible"
            ref="generateForm"
            insite="true"
            :data="widgetForm"
            :value="widgetModels"
            :remote="remoteFuncs"
            @on-change="handleDataChange"
          >
            <template slot-scope="scope">
              Width
              <el-input
                v-model="scope.model.blank.width"
                style="width: 100px"
              />
              Height
              <el-input
                v-model="scope.model.blank.height"
                style="width: 100px"
              />
            </template>
          </generate-form>

          <template slot="action">
            <el-button type="primary" @click="handleTest">{{
              "获取数据"
            }}</el-button>
            <el-button @click="handleReset">{{ "重置" }}</el-button>
          </template>
        </cus-dialog>

        <cus-dialog
          ref="uploadJson"
          :visible="uploadVisible"
          width="800px"
          form
          @on-close="uploadVisible = false"
          @on-submit="handleUploadJson"
        >
          <el-alert type="info" :title="t('fm.description.uploadJsonInfo')" />
          <div id="uploadeditor" style="height: 400px; width: 100%">
            {{ jsonEg }}
          </div>
        </cus-dialog>

        <cus-dialog
          ref="jsonPreview"
          :visible="jsonVisible"
          width="800px"
          form
          @on-close="jsonVisible = false"
        >
          <div id="jsoneditor" style="height: 400px; width: 100%">
            {{ jsonTemplate }}
          </div>

          <template slot="action">
            <el-button
              type="primary"
              class="json-btn"
              :data-clipboard-text="jsonCopyValue"
              >复制数据</el-button
            >
          </template>
        </cus-dialog>

        <cus-dialog
          ref="codePreview"
          :visible="codeVisible"
          width="800px"
          form
          :action="false"
          @on-close="codeVisible = false"
        >
          <div id="codeeditor" style="height: 500px; width: 100%">
            {{ htmlTemplate }}
          </div>
        </cus-dialog>
      </el-container>
    </el-main>
    <!-- <el-footer height="30px" style="font-weight: 600;">Powered by <a target="_blank" href="http://www.fdevops.com">fdevops</a></el-footer> -->
  </el-container>
</template>

<script>
import Draggable from "vuedraggable";
import WidgetConfig from "./WidgetConfig";
// import FormConfig from './FormConfig'
import WidgetForm from "./WidgetForm";
import CusDialog from "./CusDialog";
import GenerateForm from "./GenerateForm";
import Clipboard from "clipboard";
import {
  basicComponents,
  layoutComponents,
  advanceComponents,
} from "./componentsConfig.js";
import request from "../util/request.js";
import generateCode from "./generateCode.js";

var ace = require("ace-builds/src-noconflict/ace");
ace.config.set("basePath", "/lib/ace");
ace.config.set("modePath", "/lib/ace");
ace.config.set("themePath", "/lib/ace");
window.define = window.define || ace.define;
window.require = window.require || ace.require;
import zhCN from "../lang/zh-CN";
export default {
  name: "FmMakingForm",
  components: {
    Draggable,
    WidgetConfig,
    // FormConfig,
    WidgetForm,
    CusDialog,
    GenerateForm,
  },
  props: {
    preview: {
      type: Boolean,
      default: false,
    },
    generateCode: {
      type: Boolean,
      default: false,
    },
    generateJson: {
      type: Boolean,
      default: false,
    },
    upload: {
      type: Boolean,
      default: false,
    },
    clearable: {
      type: Boolean,
      default: false,
    },
    basicFields: {
      type: Array,
      default: () => [
        "input",
        "textarea",
        "number",
        "radio",
        "checkbox",
        "time",
        "date",
        "rate",
        "color",
        "select",
        "switch",
        "slider",
        "text",
        "organ",
        "school",
      ],
    },
    advanceFields: {
      type: Array,
      default: () => ["blank", "imgupload", "editor", "cascader"],
    },
    layoutFields: {
      type: Array,
      default: () => ["grid", "divider"],
    },
  },
  data() {
    return {
      basicComponents,
      layoutComponents,
      advanceComponents,
      resetJson: false,
      widgetForm: {
        list: [],
        config: {
          labelWidth: 100,
          labelPosition: "right",
          size: "small",
        },
      },
      configTab: "widget",
      widgetFormSelect: null,
      previewVisible: false,
      jsonVisible: false,
      codeVisible: false,
      uploadVisible: false,
      remoteFuncs: {
        func_test(resolve) {
          setTimeout(() => {
            const options = [
              { id: "1", name: "1111" },
              { id: "2", name: "2222" },
              { id: "3", name: "3333" },
            ];

            resolve(options);
          }, 2000);
        },
        funcGetToken(resolve) {
          request
            .get("http://tools-server.xiaoyaoji.cn/api/uptoken")
            .then((res) => {
              resolve(res.uptoken);
            });
        },
        upload_callback(response, file, fileList) {},
      },
      widgetModels: {},
      blank: "",
      htmlTemplate: "",
      jsonTemplate: "",
      uploadEditor: null,
      jsonCopyValue: "",
      jsonClipboard: null,
      jsonEg: `{
  "list": [],
  "config": {
    "labelWidth": 100,
    "labelPosition": "top",
    "size": "small"
  }
}`,
    };
  },
  watch: {
    widgetForm: {
      deep: true,
      handler: function (val) {},
    },
    $lang: function (val) {
      this._loadComponents();
    },
  },
  mounted() {
    this._loadComponents();
  },
  methods: {
    t(str) {
      const fields = str.split(".");
      let tempStr = { ...zhCN };
      fields.forEach((i) => {
        tempStr = tempStr[i];
      });
      return tempStr;
    },
    _loadComponents() {
      this.basicComponents = this.basicComponents.map((item) => {
        return {
          ...item,
          name: this.t(`fm.components.fields.${item.type}`),
        };
      });
      this.advanceComponents = this.advanceComponents.map((item) => {
        return {
          ...item,
          name: this.t(`fm.components.fields.${item.type}`),
        };
      });
      this.layoutComponents = this.layoutComponents.map((item) => {
        return {
          ...item,
          name: this.t(`fm.components.fields.${item.type}`),
        };
      });
    },
    handleConfigSelect(value) {
      this.configTab = value;
    },
    handleMoveEnd(evt) {},
    handleMoveStart({ oldIndex }) {},
    handleMove() {
      return true;
    },
    handlePreview() {
      this.previewVisible = true;
    },
    handleTest() {
      this.$refs.generateForm
        .getData()
        .then((data) => {
          this.$alert(data, "").catch((e) => {});
          this.$refs.widgetPreview.end();
        })
        .catch((e) => {
          this.$refs.widgetPreview.end();
        });
    },
    handleReset() {
      this.$refs.generateForm.reset();
    },
    handleGenerateJson() {
      this.jsonVisible = true;
      this.jsonTemplate = this.widgetForm;
      this.$nextTick(() => {
        const editor = ace.edit("jsoneditor");
        editor.session.setMode("ace/mode/json");

        if (!this.jsonClipboard) {
          this.jsonClipboard = new Clipboard(".json-btn");
          this.jsonClipboard.on("success", (e) => {
            this.$message.success(this.t("fm.message.copySuccess"));
          });
        }
        this.jsonCopyValue = JSON.stringify(this.widgetForm);
      });
    },
    handleGenerateCode() {
      this.codeVisible = true;
      this.htmlTemplate = generateCode(JSON.stringify(this.widgetForm));
      this.$nextTick(() => {
        const editor = ace.edit("codeeditor");
        editor.session.setMode("ace/mode/html");
      });
    },
    handleUpload() {
      this.uploadVisible = true;
      this.$nextTick(() => {
        this.uploadEditor = ace.edit("uploadeditor");
        this.uploadEditor.session.setMode("ace/mode/json");
      });
    },
    handleUploadJson() {
      try {
        this.setJSON(JSON.parse(this.uploadEditor.getValue()));
        this.uploadVisible = false;
      } catch (e) {
        this.$message.error(e.message);
        this.$refs.uploadJson.end();
      }
    },
    handleClear() {
      this.widgetForm = {
        list: [],
        config: {
          labelWidth: 100,
          labelPosition: "right",
          size: "small",
          customClass: "",
        },
      };

      this.widgetFormSelect = {};
    },
    getJSON() {
      return this.widgetForm;
    },
    getHtml() {
      return generateCode(JSON.stringify(this.widgetForm));
    },
    setJSON(json) {
      this.widgetForm = json;

      if (json.list.length > 0) {
        this.widgetFormSelect = json.list[0];
      }
    },
    handleInput(val) {
      this.blank = val;
    },
    handleDataChange(field, value, data) {},
  },
};
</script>

<style lang="scss">
.widget-empty {
  background-position: 50%;
}

aside {
  background: #ffffff;
  padding: 0;
  margin-bottom: 0;

  a {
    color: #333333;
  }
}
</style>
