<script setup lang="ts">
import { onMounted, ref, watch } from "vue";
import { commonStore } from "@/stores/commonStore";
import IconDeleteBtn from "@/components/atoms/button/IconDeleteBtn.vue";
import IconModifyBtn from "@/components/atoms/button/IconModifyBtn.vue";
import IconInfoBtn from "@/components/atoms/button/IconInfoBtn.vue";

import ViewComponent from "@/components/templates/stepconfig/ViewComponent.vue";
import StapComfigDialog from "@/components/atoms/organisms/WorklfowStepBaseDialog.vue";

import { WorkflowStepService } from "@/components/service/management/WorkflowStepService";
import type { WorkflowStep } from "@/components/models/management/WorkflowStep";

const store = commonStore();
const openView = ref(false);
type SearchType = "전체" | "제목" | "작성자";

const tableHeader = [
  { label: "No", width: "5%", style: "word-break: keep-all;" },
  { label: "Step Name", width: "15%", style: "word-break: keep-all;" },
  { label: "Type", width: "10%", style: "word-break: keep-all;" },
  { label: "Dataset", width: "10%", style: "word-break: keep-all;" },
  { label: "Script", width: "10%", style: "word-break: keep-all;" },
  { label: "Hyper Parameters", width: "15%", style: "word-break: keep-all;" },
  { label: "Resource", width: "15%", style: "word-break: keep-all;" },
  { label: "Status", width: "5%", style: "word-break: keep-all;" },
  { label: "Workflow", width: "10%", style: "word-break: keep-all;" },
  { label: "Action", width: "5%", style: "word-break: keep-all;" },
];

const searchOptions = [
  { label: "전체", value: "전체" as SearchType },
  { label: "제목", value: "제목" as SearchType },
  { label: "작성자", value: "작성자" as SearchType },
];
const SEARCH_TYPE_MAP: Record<SearchType | "", "ALL" | "TITLE" | "AUTHOR"> = {
  "": "ALL",
  전체: "ALL",
  제목: "TITLE",
  작성자: "AUTHOR",
};
const pageSizeOptions = [
  { text: "10 페이지", value: 10 },
  { text: "50 페이지", value: 50 },
  { text: "100 페이지", value: 100 },
];

const data = ref({
  params: {
    pageNum: 1,
    pageSize: 10,
    searchType: "전체" as SearchType,
    searchText: "",
  },
  results: [] as any[],
  totalElements: 0,
  pageLength: 0,
  modalMode: "" as "create" | "edit" | "",
  selectedData: null as any,
  isStepVisible: false,
  allSelected: false,
  selected: [] as Array<{ deviceKey: number }>,
  isConfirmDialogVisible: false,
});

const toRow = (s: any, no: number) => ({
  no,
  stepName: s.stepName,
  type: s.stepType,
  dataset: s.datasetName,
  script: s.scriptName,
  hyperParameters: s.hyperParams,
  resource: s.resource,
  status: String(s.status).toLowerCase() === "success" ? "success" : "warning",
  workflow: s.workflowName,
  workflowId: s.workflowStepId,
  deviceKey: s.id,
});

const fetchList = async () => {
  const projectId = Number(localStorage.getItem("projectId"));
  if (!projectId) {
    console.warn("[WorkflowSteps] projectId 없음 — 프로젝트 먼저 선택");
    data.value.results = [];
    data.value.totalElements = 0;
    data.value.pageLength = 0;
    return;
  }

  const { pageNum, pageSize, searchType, searchText } = data.value.params;

  const mapped = SEARCH_TYPE_MAP[searchType] || "ALL";
  const keyword = (searchText || "").trim();
  const needLocalFilter = mapped !== "ALL" && keyword.length > 0;

  let reqPage = data.value.params.pageNum;
  let reqSize = data.value.params.pageSize;
  if (needLocalFilter) {
    reqPage = 0;
    reqSize = 1000;
  }
  const payload = {
    projectId,
    page: reqPage,
    size: reqSize,
    keyword,
    searchType: mapped,
  };

  WorkflowStepService.search(payload)
    .then((res: any) => {
      if (res.status !== 200) return;

      const result = res.data;
      let list = result?.content ?? [];

      if (needLocalFilter) {
        const kw = keyword.toLowerCase();

        if (mapped === "TITLE") {
          list = list.filter((w: any) =>
            String(w?.workflowName ?? "")
              .toLowerCase()
              .includes(kw),
          );
        } else if (mapped === "AUTHOR") {
          list = list.filter((w: any) =>
            String(w?.regUserId ?? "")
              .toLowerCase()
              .includes(kw),
          );
        }

        const uiSize = data.value.params.pageSize;
        const totalElements = list.length;
        const totalPages = Math.max(1, Math.ceil(totalElements / uiSize));
        const safePage = Math.min(Math.max(1, pageNum), totalPages);
        const start = (safePage - 1) * uiSize;
        const pageSlice = list.slice(start, start + uiSize);

        // 이 페이지의 첫 행 번호(내림차순)
        const firstNo = totalElements - start;

        data.value.results = pageSlice.map((w: any, i: number) =>
          toRow(w, firstNo - i),
        );
        data.value.totalElements = totalElements;
        data.value.pageLength = totalPages;
        return;
      }

      const totalElements = result.totalElements;
      const totalPages = result.totalPages;
      const serverPage = result.pageable.pageNumber;
      const serverSize = result.pageable.pageSize;
      const offset =
        typeof result.pageable.offset === "number"
          ? result.pageable.offset
          : serverPage * serverSize;
      const firstNo = totalElements - offset;

      data.value.results = list.map((w: any, i: number) =>
        toRow(w, firstNo - i),
      );
      data.value.totalElements = totalElements;
      data.value.pageLength = totalPages;
    })
    .catch((err: any) => console.error("워크플로우 조회 에러:", err));
};

/** 검색 실행 (페이지 1로 리셋) */
const doSearch = () => {
  data.value.params.pageNum = 1;
  fetchList();
};

/** 페이지 이동 */
const changePageNum = (page: number) => {
  data.value.params.pageNum = page;
  fetchList();
};

/** 페이지 사이즈 변경 */
const changePageSize = (size: number) => {
  data.value.params.pageSize = size;
  data.value.params.pageNum = 1;
  fetchList();
};

const saveStep = async (payload: WorkflowStep) => {
  try {
    const { data: saved } = await WorkflowStepService.add(payload);
    await fetchList();
  } catch (e) {
    console.error("[STEP SAVE FAIL]", e);
  } finally {
    data.value.isStepVisible = false;
  }
};

const removeData = (value?: Array<{ deviceKey: number }>) => {
  const removeList = value ?? data.value.selected;
  if (!removeList || removeList.length === 0) return;

  const ids = removeList.map((x) => x.deviceKey);
  const removeOne = (id: number) =>
    WorkflowStepService.delete(id).then((res) => {
      if (res.status < 200 || res.status >= 300) return Promise.reject(res);
    });

  const after = () => {
    if (
      ids.length >= data.value.results.length &&
      data.value.params.pageNum > 1
    ) {
      data.value.params.pageNum -= 1;
    }

    fetchList();
    data.value.isConfirmDialogVisible = false;
    data.value.selected = [];
    data.value.allSelected = false;
  };

  // 단건/다건 처리
  if (ids.length === 1) {
    removeOne(ids[0])
      .then(() => {
        store.setSnackbarMsg({
          color: "success",
          text: "삭제되었습니다.",
          result: 200,
        });
        after();
      })
      .catch((err) => {
        console.error("삭제 실패:", err);
        store.setSnackbarMsg({
          color: "warning",
          text: "삭제 실패",
          result: 500,
        });
      });
  } else {
    Promise.all(ids.map(removeOne))
      .then(() => {
        store.setSnackbarMsg({
          color: "success",
          text: "모두 삭제되었습니다.",
          result: 200,
        });
      })
      .catch((err) => {
        console.error("일부 삭제 실패:", err);
        store.setSnackbarMsg({
          color: "warning",
          text: "일부 삭제 실패",
          result: 500,
        });
      })
      .finally(after);
  }
};

const getSelectedAllData = () => {
  data.value.selected = data.value.allSelected
    ? data.value.results.map((item: any) => ({ deviceKey: item.deviceKey }))
    : [];
};

const openDetailModal = (selectedItem: any) => {
  data.value.selectedData = selectedItem;
  openView.value = true;
};
const closeDetail = () => {
  openView.value = false;
};
const openCreateModal = () => {
  data.value.selectedData = null;
  data.value.modalMode = "create";
  data.value.isStepVisible = true;
};

const openModifyModal = (item: any) => {
  data.value.selectedData = {
    id: item.deviceKey,
    stepName: item.stepName,
    status: item.status,
    workflowStepId: item.workflowId,
  };
  data.value.modalMode = "edit";
  data.value.isStepVisible = true;
};

const closeModal = () => {
  data.value.isStepVisible = false;
  data.value.selectedData = null;
};

/** 모달 닫히면 목록 새로고침하고 싶으면 아래 watch 사용 */
// watch(() => data.value.isStepVisible, (now, prev) => {
//   if (prev && !now) fetchList();
// });

onMounted(() => {
  fetchList();
});
</script>

<template>
  <div class="w-100" v-if="!openView">
    <v-container fluid class="h-100 pa-5 d-flex flex-column align-center">
      <v-card
        flat
        class="bg-shades-transparent d-flex flex-column align-center justify-center w-100"
      >
        <v-card flat class="bg-shades-transparent w-100">
          <v-card-item class="text-h5 font-weight-bold pt-0 pa-5 pl-0">
            <div class="d-flex flex-row justify-start align-center">
              <div>Workflows Step Config</div>
            </div>
          </v-card-item>
        </v-card>

        <!-- 상단 검색 바 (워크플로우 화면과 동일 UX) -->
        <v-card flat class="bg-shades-transparent w-100">
          <v-card flat class="bg-shades-transparent mb-4">
            <div class="d-flex justify-center flex-wrap align-center">
              <v-responsive
                max-width="180"
                min-width="180"
                class="mr-3 mt-3 mb-3"
              >
                <v-select
                  v-model="data.params.searchType"
                  label="검색조건"
                  density="compact"
                  :items="searchOptions"
                  item-title="label"
                  item-value="value"
                  hide-details
                  @update:model-value="doSearch"
                />
              </v-responsive>

              <v-responsive min-width="540" max-width="540">
                <v-text-field
                  v-model="data.params.searchText"
                  label="검색어"
                  density="compact"
                  clearable
                  required
                  class="mt-3 mb-3"
                  hide-details
                  @keyup.enter="doSearch"
                />
              </v-responsive>

              <div class="ml-3">
                <v-btn
                  size="large"
                  color="primary"
                  :rounded="5"
                  @click="doSearch"
                >
                  <v-icon>mdi-magnify</v-icon>
                </v-btn>
              </div>
            </div>
          </v-card>

          <!-- 총 개수 / 페이지사이즈 / 생성 버튼 -->
          <v-sheet
            class="bg-shades-transparent d-flex flex-wrap align-center mb-2"
          >
            <v-sheet class="d-flex flex-wrap me-auto bg-shades-transparent">
              <v-sheet
                class="d-flex align-center mr-3 mb-2 bg-shades-transparent"
              >
                <v-chip color="primary"
                  >총 {{ data.totalElements.toLocaleString() }}개</v-chip
                >
              </v-sheet>

              <v-sheet class="bg-shades-transparent">
                <v-responsive max-width="140" min-width="140" class="mb-2">
                  <v-select
                    v-model="data.params.pageSize"
                    density="compact"
                    :items="pageSizeOptions"
                    item-title="text"
                    item-value="value"
                    variant="outlined"
                    color="primary"
                    hide-details
                    @update:model-value="changePageSize"
                  />
                </v-responsive>
              </v-sheet>
            </v-sheet>

            <v-sheet class="justify-end mb-2">
              <v-btn color="info" @click="openCreateModal"
                >Create Workflow Step</v-btn
              >
            </v-sheet>
          </v-sheet>

          <!-- 테이블 -->
          <v-card class="rounded-lg pa-8">
            <v-col cols="12">
              <v-sheet>
                <v-table
                  density="comfortable"
                  fixed-header
                  height="625"
                  col-md-12
                  col-12
                  overflow-x-auto
                >
                  <colgroup>
                    <col style="width: 5%" />
                    <col
                      v-for="(item, i) in tableHeader"
                      :key="i"
                      :style="`width:${item.width}`"
                    />
                  </colgroup>

                  <thead>
                    <tr>
                      <th>
                        <v-checkbox
                          v-model="data.allSelected"
                          style="min-width: 36px"
                          :indeterminate="data.allSelected === true"
                          hide-details
                          @change="getSelectedAllData"
                        />
                      </th>
                      <th
                        v-for="(item, i) in tableHeader"
                        :key="i"
                        class="text-center font-weight-bold"
                        :style="`${item.style}`"
                      >
                        {{ item.label }}
                      </th>
                    </tr>
                  </thead>

                  <tbody class="text-body-2">
                    <tr
                      v-for="item in data.results"
                      :key="item.no"
                      class="text-center"
                    >
                      <td>
                        <v-checkbox
                          v-model="data.selected"
                          :value="{ deviceKey: item.deviceKey }"
                          hide-details
                          style="min-width: 36px"
                        />
                      </td>
                      <td>{{ item.no }}</td>
                      <td>{{ item.stepName }}</td>
                      <td>{{ item.type }}</td>
                      <td>{{ item.dataset }}</td>
                      <td>{{ item.script }}</td>
                      <td>{{ item.hyperParameters }}</td>
                      <td>{{ item.resource }}</td>
                      <td>
                        <v-icon
                          v-if="item.status === 'success'"
                          color="success"
                        >
                          mdi-checkbox-marked-circle
                        </v-icon>
                        <v-icon v-else color="warning">mdi-alert-circle</v-icon>
                      </td>
                      <td>{{ item.workflow }}</td>
                      <td style="white-space: nowrap">
                        <IconInfoBtn @on-click="openDetailModal(item)" />
                        <IconModifyBtn @on-click="openModifyModal(item)" />
                        <IconDeleteBtn
                          @on-click="
                            removeData([{ deviceKey: item.deviceKey }])
                          "
                        />
                      </td>
                    </tr>
                  </tbody>
                </v-table>
              </v-sheet>

              <!-- 페이지네이션 -->
              <v-card-actions class="text-center mt-8 justify-center">
                <v-pagination
                  v-model="data.params.pageNum"
                  :length="data.pageLength"
                  :total-visible="10"
                  color="primary"
                  rounded="circle"
                  @update:model-value="changePageNum"
                />
              </v-card-actions>
            </v-col>
          </v-card>
        </v-card>
      </v-card>
    </v-container>
  </div>

  <!-- 상세 보기 -->
  <div class="w-100" v-else>
    <ViewComponent
      v-if="data.selectedData"
      :id="data.selectedData.deviceKey"
      @close="closeDetail"
    />
  </div>

  <!-- 생성/수정 모달 -->
  <v-dialog v-model="data.isStepVisible" max-width="760" persistent>
    <StapComfigDialog
      :editData="data.selectedData"
      :mode="data.modalMode"
      @saved="saveStep"
      @close-modal="closeModal"
    />
  </v-dialog>
</template>

<style scoped></style>
