<template>
  <section class="content add-paper-select">
    <div>
      <LinkTitlesCustom
        :current-paths="['题库管理 ', '卷库管理', '抽题模板管理']"
      />
    </div>
    <div class="box-body">
      <div class="top">
        <div class="flex items-center">
          <p>课程名称：{{ $route.query.courseName }}</p>
          <p style="margin-left: 100px">
            课程代码：{{ $route.query.courseNo }}
          </p>
        </div>
        <el-button type="primary" size="small" @click="save">保存</el-button>
      </div>
      <div class="form">
        <el-form
          ref="form"
          :rules="rules"
          :model="form"
          label-position="left"
          label-width="120px"
        >
          <el-form-item label="组卷模板名称：" prop="name">
            <el-input v-model="form.name" style="width: 300px"></el-input>
          </el-form-item>
          <el-form-item label="选择组卷模式：" required>
            <el-radio-group
              v-model="form.paperStructType"
              @change="paperStructTypeChange"
            >
              <el-radio label="EXACT">精确结构</el-radio>
              <el-radio label="BLUEPRINT">蓝图结构</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="选择组卷结构：" prop="paperStructId">
            <el-select v-model="form.paperStructId">
              <el-option
                v-for="item in options1"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              ></el-option>
            </el-select>
            <p style="display: inline-block; margin-left: 40px">
              难度：<span style="color: #409eff; font-weight: bold">{{
                curStruct?.difficulty
              }}</span>
            </p>
          </el-form-item>

          <el-table
            v-loading="tableLoading1"
            :data="tableData1"
            border
            style="margin-top: 10px; margin-bottom: 20px; width: 700px"
          >
            <el-table-column
              v-for="(item, index) in tableColumns1"
              :key="index"
              :label="item.label"
              :prop="item.prop"
              :min-width="item.minWidth"
            >
              <template slot-scope="scope">
                <span
                  v-if="
                    !['hardInfo', 'mediumInfo', 'easyInfo'].includes(item.prop)
                  "
                  >{{ scope.row[item.prop] }}</span
                >
                <span v-else>{{ scope.row[item.prop]?.count }}</span>
              </template>
            </el-table-column>
          </el-table>

          <div class="flex" style="margin-top: 30px">
            <div style="width: 40%">
              <el-form-item label="选择题源范围：" style="margin-bottom: 0">
                <el-select
                  v-model="form.paperType"
                  placeholder="题源选择"
                  style="width: 120px"
                  @change="changePaperType"
                >
                  <el-option label="题库来源" value="IMPORT"></el-option>
                  <el-option label="卷库来源" value="GENERATE"></el-option>
                </el-select>
                <span
                  v-if="checked && !multipleSelection.length"
                  class="red"
                  style="font-size: 12px; font-weight: bold; margin-left: 10px"
                  >请选择数据</span
                >
              </el-form-item>
              <el-table
                ref="table2"
                :data="tableData2"
                border
                @selection-change="handleSelectionChange"
              >
                <el-table-column
                  type="selection"
                  width="55"
                  :selectable="canSelect"
                >
                </el-table-column>
                <el-table-column
                  v-for="(item, index) in tableColumns2"
                  :key="index"
                  :label="item.label"
                  :prop="item.prop"
                  :width="item.width"
                >
                </el-table-column>
              </el-table>
            </div>
            <div style="width: 60%; padding-left: 20px">
              <div style="color: #606266; font-size: 14px; line-height: 32px">
                <span>选中范围预览：</span>
                <span
                  v-if="hasError()"
                  class="red"
                  style="font-size: 12px; font-weight: bold"
                  >不满足最低要求</span
                >
              </div>
              <el-table
                v-loading="tableLoading3"
                :data="tableData3"
                border
                style="margin-top: 8px"
              >
                <el-table-column
                  v-for="(item, index) in tableColumns3"
                  :key="index"
                  :label="item.label"
                  :prop="item.prop"
                >
                  <template slot-scope="scope">
                    <span
                      v-if="
                        !['hardInfo', 'mediumInfo', 'easyInfo'].includes(
                          item.prop
                        )
                      "
                      :class="{ red: hasNumError(scope.row, item.prop) }"
                      >{{ scope.row[item.prop] }}</span
                    >
                    <span
                      v-else
                      :class="{ red: hasNumError(scope.row, item.prop) }"
                      >{{ scope.row[item.prop]?.count }}</span
                    >
                  </template>
                </el-table-column>
              </el-table>
            </div>
          </div>
        </el-form>
      </div>
    </div>
  </section>
</template>
<script>
import qs from "qs";
import { mapState } from "vuex";
export default {
  data() {
    return {
      form: {
        paperStructType: "BLUEPRINT",
        name: "",
        paperStructId: "",
        paperType: "IMPORT",
        paperIds: "",
      },
      paperIdsArr: [],
      options1: [],
      tableData1: [],
      tableColumns1: [
        { label: "题型", prop: "detailName", minWidth: "100" },
        { label: "总分", prop: "totalScore", minWidth: "80" },
        { label: "数量", prop: "totalCount", minWidth: "80" },
        { label: "难", prop: "hardInfo", minWidth: "80" },
        { label: "中", prop: "mediumInfo", minWidth: "80" },
        { label: "易", prop: "easyInfo", minWidth: "80" },
      ],
      tableData2: [],
      tableColumns2: [
        { label: "名称", prop: "name" },
        { label: "小题数量", prop: "unitCount", width: "100px" },
      ],
      multipleSelection: [],
      tableData3: [],
      tableColumns3: [
        { label: "题型", prop: "detailName", minWidth: "100" },
        { label: "数量", prop: "totalCount", minWidth: "80" },
        { label: "难", prop: "hardInfo", minWidth: "80" },
        { label: "中", prop: "mediumInfo", minWidth: "80" },
        { label: "易", prop: "easyInfo", minWidth: "80" },
      ],
      lastRequestKey: "",
      tableLoading3: false,
      tableLoading1: false,
      checked: false,
      initSelectedRows: [],
    };
  },
  computed: {
    ...mapState({ user: (state) => state.user }),
    curStruct() {
      if (this.form.paperStructId) {
        return this.options1.find(
          (item) => item.id === this.form.paperStructId
        );
      } else {
        return {};
      }
    },
    rules() {
      return {
        name: { required: true, message: "请输入模板名称", trigger: "change" },
        paperStructId: {
          required: true,
          message: "请选择组卷结构",
          trigger: "change",
        },
      };
    },
  },
  watch: {
    "form.paperStructId"() {
      this.structChange();
    },
    // "form.paperStructType"() {
    //   this.form.paperStructId = "";
    //   this.getStruct();
    //   this.tableData1 = [];
    //   this.$refs.table2.clearSelection();
    // },
    multipleSelection(val) {
      this.form.paperIds = val.map((item) => item.id).join(",");
    },
  },
  async created() {
    let res = await this.getTplData();
    if (res) {
      this.getStruct();
      this.getTable2(true);
    }
  },
  methods: {
    paperStructTypeChange() {
      this.form.paperStructId = "";
      this.getStruct();
      this.tableData1 = [];
      this.$refs.table2.clearSelection();
    },
    async getTplData() {
      const { id } = this.$route.params;
      if (id) {
        try {
          const data = await this.$http.post(
            "/api/ecs_ques/randompaper/info",
            null,
            {
              params: {
                id,
              },
            }
          );
          const tplData = data.data;
          this.paperIdsArr = tplData.paperIds || [];
          Object.assign(this.form, tplData || {}, {
            paperIds: (tplData.paperIds || []).join(","),
          });
          return true;
        } catch (e) {
          return false;
        }
      } else {
        return true;
      }
    },
    save() {
      this.checked = true;
      this.$refs.form.validate((valid) => {
        if (valid) {
          if (this.multipleSelection.length && !this.hasError()) {
            let params = {
              courseId: this.$route.query.courseId,
              ...this.form,
              rootOrgId: this.user.rootOrgId,
            };
            if (this.$route.params.id) {
              params.id = this.$route.params.id;
            }
            this.$http
              .post("/api/ecs_ques/randompaper/save", qs.stringify(params))
              .then(() => {
                this.$message.success("保存成功");
                this.$router.back();
              });
          }
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    canSelect() {
      return !!this.form.paperStructId;
    },
    structChange() {
      this.tableLoading1 = true;
      this.$http
        .post("/api/ecs_ques/randompaper/struct/question/info", null, {
          params: { structId: this.form.paperStructId },
          headers: { "content-type": "application/x-www-form-urlencoded" },
        })
        .then((res) => {
          this.tableData1 = res.data.structQuestionInfo || [];
          this.tableLoading1 = false;
        });
    },
    getStruct() {
      let apiUrl = "/api/ecs_ques/paperStruct/1/10000";
      let params =
        this.form.paperStructType == "EXACT"
          ? { courseNo: "ALL", type: "EXACT" }
          : { type: "BLUEPRINT" };
      this.$http.get(apiUrl, { params }).then((res) => {
        this.options1 = res.data.content;
      });
    },
    getTable2(bool) {
      let apiUrl =
        this.form.paperType === "IMPORT"
          ? "/api/ecs_ques/importPaper/huoge/1/10000"
          : "/api/ecs_ques/genPaper/huoge/1/10000";
      this.$http
        .get(apiUrl, {
          params: { courseNo: this.$route.query.courseNo, ids: "" },
        })
        .then((res) => {
          this.tableData2 = res.data.content || [];
          if (bool) {
            this.tableData2.forEach((item) => {
              if (this.paperIdsArr.includes(item.id)) {
                this.initSelectedRows.push(item);
              }
            });
            setTimeout(() => {
              this.initSelectedRows.forEach((item) => {
                this.$refs.table2.toggleRowSelection(item, true);
              });
            }, 0);
          }
        });
    },
    changePaperType() {
      this.tableData2 = [];
      this.multipleSelection = [];
      this.getTable2();
    },
    getTable3() {
      let paperIds = this.multipleSelection.map((item) => item.id);
      if (!paperIds.length) {
        this.tableData3 = [];
        this.tableLoading3 = false;
        return false;
      }
      this.tableLoading3 = true;
      let str = new Date().getTime() + "";
      this.lastRequestKey = str;
      this.$http
        .post(
          "/api/ecs_ques/randompaper/struct/question/view/info",
          qs.stringify({
            paperIds: paperIds.join(","),
            structId: this.form.paperStructId,
          }),
          {
            headers: { "content-type": "application/x-www-form-urlencoded" },
          }
        )
        .then((res) => {
          if (this.lastRequestKey === str) {
            this.tableData3 = res.data.structQuestionInfo || [];
            this.tableLoading3 = false;
          }
        });
    },
    handleSelectionChange(val) {
      this.multipleSelection = val;
      this.getTable3();
    },
    hasNumError(row, prop) {
      if (prop === "detailName") {
        return false;
      } else {
        let targetName = row.detailName;
        let find = this.tableData1.find(
          (item) => item.detailName === targetName
        );
        if (!find) {
          return false;
        } else {
          if (prop === "totalCount") {
            return row[prop] < find[prop];
          } else {
            return row[prop].count < find[prop].count;
          }
        }
      }
    },
    hasError() {
      return (
        this.tableData1.length &&
        this.tableData3.length &&
        this.tableData3.every((item) => {
          return (
            this.hasNumError(item, "totalCount") ||
            this.hasNumError(item, "hardInfo") ||
            this.hasNumError(item, "mediumInfo") ||
            this.hasNumError(item, "easyInfo")
          );
        })
      );
    },
  },
};
</script>
<style lang="scss" scoped>
.add-paper-select {
  * {
    box-sizing: border-box;
  }

  .el-form .el-form-item {
    margin-bottom: 18px;
  }

  ::v-deep .red {
    color: #f56c6c;
  }

  p {
    margin: 0;
  }

  .top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;

    p {
      font-size: 14px;
    }
  }

  .box-body {
    background-color: #fff;
    border-radius: 6px;
    padding: 15px 10px;

    .form {
      margin-top: 15px;
    }
  }
}
</style>