<template>
  <div class="m-l-50 m-t-30 w-900">
    <el-form ref="form" :model="form" :rules="rules" label-width="130px">
      <el-form-item label="用户组名称" prop="title">
        <el-input v-model.trim="form.title" class="h-40 w-200"></el-input>
      </el-form-item>
      <el-form-item label="父级用户组" prop="pid">
        <el-select v-model="form.pid" placeholder="父级用户组" class="w-200">
          <el-option v-for="item in options" :label="item.title" :value="item.id" :key="item.id"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="备注">
        <el-input type="textarea" :rows="2" placeholder="备注" v-model="form.remark" class="w-200"></el-input>
      </el-form-item>
      <el-form-item label="权限分配">
        <div class="bor-gray h-400 ovf-y-auto bor-ra-5 bg-wh">
          <div v-for="item in nodes" :key="item.id">
            <div class="bor-b-ccc bg-gra p-l-10 p-r-10">
              <el-checkbox v-model="item.check" @change="selectProjectRule(item)">{{item.else}}</el-checkbox>
            </div>
            <div v-for="childItem in item.child" :key="childItem.id">
              <div class="p-l-20 bor-b-ccc">
                <el-checkbox
                  v-model="childItem.check"
                  @change="selectModuleRule(childItem, item, childItem.child)"
                >{{childItem.else}}</el-checkbox>
              </div>
              <div class="p-l-40 bor-b-ccc bg-gra">
                <el-checkbox
                  v-for="grandChildItem in childItem.child"
                  v-model="grandChildItem.check"
                  @change="selectActionRule(grandChildItem, childItem, item)"
                  :key="grandChildItem.id"
                >{{grandChildItem.else}}</el-checkbox>
              </div>
            </div>
          </div>
        </div>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="add('form')" :loading="isLoading">提交</el-button>
        <el-button @click="goback()">返回</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import http from "../../assets/js/http";
import fomrMixin from "../../assets/js/form_com";

export default {
  data() {
    return {
      isLoading: false,
      form: {
        title: "",
        pid: 0,
        remark: "",
        rules: ""
      },
      options: [{ id: 0, title: "无" }],
      nodes: [],
      selectedNodes: [],
      rules: {
        title: [
          { required: true, message: "请输入用户组名称", trigger: "blur" }
        ]
      }
    };
  },
  methods: {
    add(form) {
      this.form.rules = this.selectedNodes.toString();
      this.$refs[form].validate(valid => {
        if (valid) {
          this.isLoading = !this.isLoading;
          this.apiPost("admin/groups", this.form).then(res => {
            this.handelResponse(
              res,
              data => {
                _g.toastMsg("success", "添加成功");
                setTimeout(() => {
                  this.goback();
                }, 500);
              },
              () => {
                this.isLoading = !this.isLoading;
              }
            );
          });
        }
      });
    },
    getRules() {
      this.apiGet("admin/rules?type=tree").then(res => {
        this.handelResponse(res, data => {
          this.nodes = this.nodes.concat(data);
        });
      });
    },
    getGroups() {
      this.apiGet("admin/groups").then(res => {
        this.handelResponse(res, data => {
          this.options = this.options.concat(data);
        });
      });
    },
    selectProjectRule(item) {
      if (!item.check) {
        _(item.child).forEach(res => {
          res.check = false;
          let index = _(this.selectedNodes).indexOf(res.id);
          this.selectedNodes.splice(index, 1);
          _(res.child).forEach(res1 => {
            res1.check = false;
            let index = _(this.selectedNodes).indexOf(res1.id);
            this.selectedNodes.splice(index, 1);
          });
        });
      }
      this.selectRule(item);
    },
    selectModuleRule(item, faItem, children) {
      if (!faItem.check) {
        faItem.check = true;
        this.selectedNodes.push(faItem.id);
      }
      if (item.check) {
        this.selectedNodes.push(item.id);
        _(children).forEach(res => {
          res.check = true;
          this.selectedNodes.push(res.id);
        });
      } else {
        let index = _(this.selectedNodes).indexOf(item.id);
        this.selectedNodes.splice(index, 1);
        _(children).forEach(res1 => {
          let temp = _(this.selectedNodes).indexOf(res1.id);
          if (temp >= 0) {
            res1.check = false;
            this.selectedNodes.splice(temp, 1);
          }
        });
      }
    },
    selectActionRule(item, faItem, grandFaItem) {
      if (!faItem.check) {
        faItem.check = true;
        this.selectedNodes.push(faItem.id);
      }
      if (!grandFaItem.check) {
        grandFaItem.check = true;
        this.selectedNodes.push(grandFaItem.id);
      }
      this.selectRule(item);
    },
    selectRule(item) {
      if (item.check) {
        this.selectedNodes.push(item.id);
      } else {
        const index = _(this.selectedNodes).indexOf(item.id);
        this.selectedNodes.splice(index, 1);
      }
    }
  },
  created() {
    this.getRules();
    this.getGroups();
  },
  mixins: [http, fomrMixin]
};
</script>