<template>
  <div class="app-container">
    <div v-if="isLoadingStatus" />
    <div v-else>
      <el-button v-if="scrmParams.showBack" style="margin-bottom:16px;" type="primary" @click="goBack">
        返回
      </el-button>
      <el-card class="box-card">
        <div class="text item">
          <el-steps
            v-if="
              currentNode.clazz !== undefined &&
                currentNode.clazz !== null &&
                currentNode.clazz !== ''
            "
            :active="activeIndex"
            finish-status="success"
          >
            <template v-for="(item, index) in nodeStepList">
              <el-step
                v-if="
                  item.isHideNode === false ||
                    item.isHideNode === undefined ||
                    item.isHideNode == null ||
                    item.id === processStructureValue.workOrder.current_state
                "
                :key="index"
                :title="item.label"
              />
            </template>
          </el-steps>
          <div v-else>
            <el-alert
              show-icon
              title="未找到当前工单流程信息，请确认当前工单绑定的流程是否存在。"
              type="warning"
            />
          </div>
        </div>
      </el-card>

      <el-alert
        v-if="
          activeIndex !== nodeStepList.length &&
            processStructureValue.workOrder.is_end === 1
        "
        style="margin-top: 15px"
        :title="alertMessage"
        type="error"
        :closable="false"
      />

      <el-card class="box-card" style="margin-top: 15px">
        <div slot="header" class="clearfix">
          <span>公共信息</span>
        </div>
        <div class="text item">
          <el-form label-width="100px">
            <el-row>
              <el-col :span="12">
                <el-form-item label="标题:" style="margin-bottom: 5px">
                  <span>{{ processStructureValue.workOrder.title }}</span>
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item label="优先级:" style="margin-bottom: 0">
                  <span v-if="processStructureValue.workOrder.priority === 2">
                    <el-tag type="warning">紧急</el-tag>
                  </span>
                  <span
                    v-else-if="processStructureValue.workOrder.priority === 3"
                  >
                    <el-tag type="danger">非常紧急</el-tag>
                  </span>
                  <span v-else>
                    <el-tag type="success">一般</el-tag>
                  </span>
                </el-form-item>
              </el-col>
            </el-row>
          </el-form>
        </div>
      </el-card>

      <el-card class="box-card" style="margin-top: 15px">
        <div slot="header" class="clearfix">
          <span>表单信息</span>
        </div>
        <div class="text item">
          <template v-for="(tplItem, tplIndex) in processStructureValue.tpls">
            <fm-generate-form
              v-show="
                currentNode.hideTpls === undefined ||
                  currentNode.hideTpls === null ||
                  currentNode.hideTpls.indexOf(tplItem.form_structure.id) === -1
              "
              :key="tplIndex"
              :ref="'generateForm-' + tplItem.id"
              :preview="
                !!(
                  (currentNode.hideTpls !== undefined &&
                  currentNode.hideTpls !== null &&
                  currentNode.hideTpls.indexOf(tplItem.form_structure.id) !==
                  -1) ||
                  currentNode.writeTpls === undefined ||
                  currentNode.writeTpls === null ||
                  currentNode.writeTpls.indexOf(tplItem.form_structure.id) ===
                  -1 ||
                  (isActiveProcessing && currentNode.activeOrder)
                )
              "
              :remote="remoteFunc"
              :value="tplItem.form_data"
              :data="tplItem.form_structure"
            />
          </template>
        </div>
        <div v-if="processStructureValue.userAuthority">
          <hr
            style="
              background-color: #d9d9d9;
              border: 0;
              height: 1px;
              margin-bottom: 15px;
            "
          >
          <div>
            <el-input
              v-model="remarks"
              type="textarea"
              placeholder="请输入备注信息"
              maxlength="200"
              :autosize="{ minRows: 3, maxRows: 99 }"
              show-word-limit
            />
          </div>
          <div class="text item" style="text-align: center; margin-top: 18px">
            <div v-if="isActiveProcessing && currentNode.activeOrder">
              <el-button
                v-permisaction="['process:list:handle:active']"
                type="primary"
                @click="activeOrderActive"
              >
                主动接单
              </el-button>
            </div>
            <div v-else>
              <template v-for="(item, index) in processStructureValue.edges">
                <el-button
                  v-if="
                    processStructureValue.workOrder.is_end === 0 &&
                      item.source === currentNode.id
                  "
                  :key="index"
                  type="primary"
                  @click="submitAction(item)"
                >
                  {{ item.label }}
                </el-button>
              </template>
            </div>
          </div>
        </div>
      </el-card>

      <el-card class="box-card" style="margin-top: 15px">
        <div slot="header" class="clearfix">
          <span>工单流转历史</span>
        </div>
        <div class="text item">
          <el-table :data="circulationHistoryList" border style="width: 100%">
            <el-table-column prop="state" label="节点" />
            <el-table-column prop="circulation" label="流转" />
            <el-table-column prop="processor" label="处理人" />
            <el-table-column prop="create_time" label="处理时间" />
            <el-table-column prop="remarks" label="备注" />
          </el-table>
        </div>
      </el-card>
    </div>
  </div>
</template>

<script>
import Vue from 'vue'
import { GenerateForm } from '@/components/VueFormMaking'
import 'form-making/dist/FormMaking.css'
Vue.component(GenerateForm.name, GenerateForm)

import {
  processStructure,
  handleWorkOrder,
  activeOrder
} from '@/api/process/work-order'

import { listUser } from '@/api/system/sysuser'

import { mapGetters } from 'vuex'
import { getDeptList } from '@/api/system/dept'
export default {
  data() {
    return {
      isLoadingStatus: true,
      currentNode: {
        hideTpls: null,
        writeTpls: null
      },
      isActiveProcessing: false,
      tpls: [],
      remarks: '', // 备注信息
      alertMessage: '',
      nodeStepList: [],
      circulationHistoryList: [],
      activeIndex: 0,
      processStructureValue: {
        workOrder: { title: '' }
      },
      ruleForm: {
        title: '',
        process: '',
        classify: '',
        state_id: '',
        state: '',
        source_state: '',
        processor: '',
        process_method: '',
        tpls: [],
        tasks: []
      },
      remoteFunc: {
        // 获取用户列表
        async userList(resolve) {
          const res = await listUser({
            pageSize: 999999
          })
          const options = res.data.list
          resolve(options)
        },
        async deptTreeList(resolve) {
          const res = await getDeptList()
          resolve(res.data)
        }
      }
    }
  },
  computed: {
    scrmParams() {
      return this.$store.state.user.scrmParams
    },
    ...mapGetters(['userId'])
  },
  created() {
    this.getProcessNodeList()
  },
  methods: {
    goBack() {
      this.$router.go(-1)
    },

    getProcessNodeList() {
      processStructure({
        processId: this.$route.query.processId || this.scrmParams.processId,
        workOrderId:
          this.$route.query.workOrderId || this.scrmParams.workOrderId
      }).then((response) => {
        this.isActiveProcessing = false
        this.processStructureValue = response.data
        this.circulationHistoryList =
          this.processStructureValue.circulationHistory
        // 获取当前展示节点列表
        this.nodeStepList = []
        if (this.processStructureValue.nodes) {
          for (var i = 0; i < this.processStructureValue.nodes.length; i++) {
            if (
              this.processStructureValue.nodes[i].id ===
              this.processStructureValue.workOrder.current_state
            ) {
              // 当前节点
              this.nodeStepList.push(this.processStructureValue.nodes[i])
              this.activeIndex = this.nodeStepList.length - 1
              if (i + 1 === this.processStructureValue.nodes.length) {
                this.activeIndex = this.nodeStepList.length
              }
              this.currentNode = this.processStructureValue.nodes[i]
            } else if (!this.processStructureValue.nodes[i].isHideNode) {
              // 非隐藏节点
              this.nodeStepList.push(this.processStructureValue.nodes[i])
            }
          }
        }

        // 如果回退到初始节点则可编辑。
        if (this.activeIndex === 0 && this.currentNode.clazz === 'start') {
          this.currentNode.writeTpls = []
          for (var tplTmp of this.processStructureValue.tpls) {
            this.currentNode.writeTpls.push(tplTmp.form_structure.id)
          }
        }

        // 判断是否需要主动处理
        for (var stateValue of this.processStructureValue.workOrder.state) {
          if (
            this.processStructureValue.workOrder.current_state ===
              stateValue.id &&
            stateValue.processor.length > 1
          ) {
            this.isActiveProcessing = true
            break
          }
        }
        this.isLoadingStatus = false
        this.getAlertMessage()
      })
    },
    submitAction(item) {
      var promiseList = []
      this.tpls = []
      for (var tpl of this.processStructureValue.tpls) {
        this.tpls.push({
          tplDataId: tpl.id,
          tplId: tpl.form_structure.id
        })
        promiseList.push(this.$refs['generateForm-' + tpl.id][0].getData())
      }
      Promise.all(promiseList).then((values) => {
        for (var tplDataIndex in this.tpls) {
          this.tpls[tplDataIndex].tplValue = values[tplDataIndex]
        }
        handleWorkOrder({
          tasks: this.processStructureValue.process.task,
          source_state: this.processStructureValue.workOrder.current_state,
          target_state: item.target,
          circulation: item.label,
          flow_properties:
            item.flowProperties === undefined
              ? 2
              : parseInt(item.flowProperties),
          work_order_id: parseInt(this.$route.query.workOrderId),
          remarks: this.remarks,
          is_exec_task: item.isExecuteTask,
          tpls: this.tpls
        }).then((response) => {
          if (response.code === 200) {
            // this.$router.push({ name: 'upcoming' })
            // window.location.reload()
            this.getProcessNodeList()
          }
        })
      })
    },
    // 获取提示消息
    getAlertMessage() {
      if (this.processStructureValue.workOrder.is_end === 1) {
        this.alertMessage = '当前工单已结束。'
      }
    },
    activeOrderActive() {
      var jsonData = [
        {
          id: this.nodeStepList[this.activeIndex].id,
          label: this.nodeStepList[this.activeIndex].label,
          process_method: 'person',
          processor: [this.userId]
        }
      ]
      activeOrder(jsonData, this.$route.query.workOrderId).then(() => {
        this.getProcessNodeList()
      })
    }
  }
}
</script>
