dianshang-qianduan/src/views/components/TrainingTaskToolbar.vue

<template>
  <div class="training-task-toolbar">
    <TrainingMaterialButton
      :material-name="resolvedMaterial.name"
      :material-url="resolvedMaterial.url"
      :training-data-name="resolvedTrainingData.name"
      :training-data-url="resolvedTrainingData.url"
      :guide-manual-name="resolvedGuideManual.name"
      :guide-manual-url="resolvedGuideManual.url"
      :ai-manual-name="resolvedAiManual.name"
      :ai-manual-url="resolvedAiManual.url"
    />
    <el-button class="task-toolbar-button task-toolbar-button--submit" @click="triggerExistingAction('submit')">
      <el-icon><CircleCheck /></el-icon>提交任务
    </el-button>
    <el-button class="task-toolbar-button" @click="triggerExistingAction('reset')">
      <el-icon><RefreshLeft /></el-icon>重新实训
    </el-button>
    <el-button class="task-toolbar-button" :loading="exporting" @click="exportCurrentTrainingOutcome">
      <el-icon><Download /></el-icon>导出实训成果
    </el-button>
  </div>
</template>

<script setup>
import { computed, onMounted, ref, watch } from "vue";
import { CircleCheck, Download, RefreshLeft } from "@element-plus/icons-vue";
import { ElMessage } from "element-plus";
import { getTrainingTaskByKey } from "@/api/trainingTask";
import { deleteStudentTrainingAnswer, getStudentTrainingAnswer, saveStudentTrainingAnswer } from "@/api/studentTrainingAnswer";
import { resolveTrainingTaskKey } from "@/views/training/taskKeyMap";
import TrainingMaterialButton from "@/views/components/TrainingMaterialButton.vue";
import { collectTrainingOutcomeDetails, exportTrainingOutcomePdf } from "@/utils/trainingOutcomePdf";

const props = defineProps({
  materialName: { type: String, default: "" },
  materialUrl: { type: String, default: "" },
  trainingDataName: { type: String, default: "" },
  trainingDataUrl: { type: String, default: "" },
  guideManualName: { type: String, default: "" },
  guideManualUrl: { type: String, default: "" },
  aiManualName: { type: String, default: "" },
  aiManualUrl: { type: String, default: "" },
  taskKey: { type: String, default: "" },
  onSubmit: { type: Function, default: null },
  onReset: { type: Function, default: null },
  onExport: { type: Function, default: null },
});

const route = useRoute();
const loadedMaterial = ref({
  name: "",
  url: "",
  trainingDataName: "",
  trainingDataUrl: "",
  guideManualName: "",
  guideManualUrl: "",
  aiManualName: "",
  aiManualUrl: ""
});
const loadedTask = ref(null);
const exporting = ref(false);
const resolvedTaskKey = computed(() => resolveTrainingTaskKey(route, props.taskKey));
const resolvedMaterial = computed(() => ({
  name: String(props.materialName || loadedMaterial.value.name || ""),
  url: String(props.materialUrl || loadedMaterial.value.url || ""),
}));
const resolvedTrainingData = computed(() => ({
  name: String(props.trainingDataName || loadedMaterial.value.trainingDataName || ""),
  url: String(props.trainingDataUrl || loadedMaterial.value.trainingDataUrl || ""),
}));
const resolvedGuideManual = computed(() => ({
  name: String(props.guideManualName || loadedMaterial.value.guideManualName || ""),
  url: String(props.guideManualUrl || loadedMaterial.value.guideManualUrl || ""),
}));
const resolvedAiManual = computed(() => ({
  name: String(props.aiManualName || loadedMaterial.value.aiManualName || ""),
  url: String(props.aiManualUrl || loadedMaterial.value.aiManualUrl || ""),
}));

onMounted(loadTaskConfig);
watch(resolvedTaskKey, loadTaskConfig);

async function loadTaskConfig() {
  if (!resolvedTaskKey.value) return;
  try {
    const response = await getTrainingTaskByKey(resolvedTaskKey.value);
    const task = response?.data || response || {};
    loadedTask.value = task;
    loadedMaterial.value = {
      name: String(props.materialName || task.materialName || ""),
      url: String(props.materialUrl || task.materialUrl || ""),
      trainingDataName: String(task.trainingDataName || ""),
      trainingDataUrl: String(task.trainingDataUrl || ""),
      guideManualName: String(task.guideManualName || ""),
      guideManualUrl: String(task.guideManualUrl || ""),
      aiManualName: String(task.aiManualName || ""),
      aiManualUrl: String(task.aiManualUrl || "")
    };
  } catch {
    // The material button keeps its unavailable state when a task has no configured case file.
    loadedTask.value = null;
  }
}

async function exportCurrentTrainingOutcome() {
  if (exporting.value) return;
  exporting.value = true;
  try {
    let task = loadedTask.value;
    if (!task?.taskName) {
      const response = await getTrainingTaskByKey(resolvedTaskKey.value);
      task = response?.data || response || null;
      loadedTask.value = task;
    }
    let studentAnswer = null;
    try {
      const answerResponse = await getStudentTrainingAnswer(resolvedTaskKey.value);
      studentAnswer = answerResponse?.data || null;
    } catch {
      // 当前页面的填写值仍可导出；已保存记录不可用时不阻塞学生下载任务说明。
    }
    await exportTrainingOutcomePdf({
      ...task,
      stepDetails: collectTrainingOutcomeDetails(task, studentAnswer),
    });
    ElMessage.success("PDF 实训成果已开始下载");
  } catch (error) {
    console.error("导出实训成果 PDF 失败", error);
    ElMessage.error(error?.message || "PDF 导出失败，请稍后重试。");
  } finally {
    exporting.value = false;
  }
}

function triggerExistingAction(action) {
  const directActions = {
    submit: props.onSubmit,
    reset: props.onReset,
  };

  if (directActions[action]) {
    directActions[action]();
    return;
  }

  const labelPriority = {
    submit: [[/提交任务/], [/完成实训/, /保存并完成/, /校验并完成/]],
    reset: [[/重新实训/]],
    export: [[/导出实训成果/]],
  };
  const buttons = getCurrentTaskActionButtons();
  const target = labelPriority[action]
    .map((matchers) => buttons.find((button) => matchers.some((matcher) => matcher.test(button.innerText || ""))))
    .find(Boolean);

  if (target) {
    target.click();
    return;
  }

  const fallbackActions = {
    submit: saveLegacyTraining,
    reset: resetLegacyTraining,
    export: exportLegacyTraining,
  };
  fallbackActions[action]?.();
}

function getCurrentTaskActionButtons() {
  const shell = document.querySelector(".student-training-shell") || document;
  const actionAreas = Array.from(shell.querySelectorAll(
    ".step-actions, .step-navigation, .footer-actions, .training-actions, .task-actions, .taskfooter, .training-step-area"
  ));
  const candidates = actionAreas.length
    ? actionAreas.flatMap((area) => Array.from(area.querySelectorAll("button")))
    : Array.from(shell.querySelectorAll("button"));
  return Array.from(new Set(candidates))
    .filter((button) => !button.closest(".training-task-toolbar") && isVisible(button) && !button.disabled);
}

function isVisible(element) {
  const style = window.getComputedStyle(element);
  return style.display !== "none" && style.visibility !== "hidden" && element.getClientRects().length > 0;
}

function getLegacyTrainingScope() {
  return document.querySelector(".student-training-shell") || document.querySelector(".training-step-area") || document.body;
}

function collectLegacyFields() {
  const scope = getLegacyTrainingScope();
  return Array.from(scope.querySelectorAll("input, textarea, select"))
    .filter((element) => !element.closest(".training-ai-sidebar") && !element.closest(".training-task-toolbar"))
    .map((element, index) => ({
      tag: element.tagName.toLowerCase(),
      index,
      type: element.type || element.tagName.toLowerCase(),
      value: element.value ?? "",
      checked: Boolean(element.checked),
    }));
}

async function saveLegacyTraining() {
  if (!resolvedTaskKey.value) {
    ElMessage.warning("当前任务暂未配置，无法提交。");
    return;
  }
  try {
    await saveStudentTrainingAnswer(resolvedTaskKey.value, {
      saveAction: "SUBMIT",
      currentStep: 1,
      step1Answer: JSON.stringify({
        type: "legacy-training-snapshot-v3",
        route: route.path,
        savedAt: new Date().toISOString(),
        fields: collectLegacyFields(),
      }),
    });
    ElMessage.success("提交任务成功");
  } catch {
    ElMessage.error("提交任务失败，请稍后重试。");
  }
}

async function resetLegacyTraining() {
  if (!resolvedTaskKey.value) {
    ElMessage.warning("当前任务暂未配置，无法重新实训。");
    return;
  }
  try {
    await deleteStudentTrainingAnswer(resolvedTaskKey.value);
    const scope = getLegacyTrainingScope();
    Array.from(scope.querySelectorAll("input, textarea, select")).forEach((element) => {
      if (element.closest(".training-ai-sidebar") || element.closest(".training-task-toolbar")) return;
      if (element.type === "checkbox" || element.type === "radio") {
        element.checked = false;
      } else {
        element.value = "";
      }
      element.dispatchEvent(new Event("input", { bubbles: true }));
      element.dispatchEvent(new Event("change", { bubbles: true }));
    });
    ElMessage.success("已清空全部实训步骤，可以重新开始。");
  } catch {
    ElMessage.error("重新实训失败，请稍后重试。");
  }
}

function exportLegacyTraining() {
  const blob = new Blob([JSON.stringify(collectLegacyFields(), null, 2)], { type: "application/json;charset=utf-8" });
  const link = document.createElement("a");
  link.href = URL.createObjectURL(blob);
  link.download = `${route.meta?.title || "实训"}-实训成果.json`;
  document.body.appendChild(link);
  link.click();
  document.body.removeChild(link);
  URL.revokeObjectURL(link.href);
}
</script>

<style lang="scss" scoped>
.training-task-toolbar { display:flex; flex-wrap:wrap; align-items:center; justify-content:flex-end; gap:8px; }
.task-toolbar-button { min-height:36px; height:36px; padding:0 14px; border-color:rgba(99,217,255,.55); border-radius:8px; color:#e9fbff; background:rgba(17,126,178,.36); font-size:13px; font-weight:800; }
.task-toolbar-button:hover { border-color:rgba(116,235,255,.85); color:#e9fbff; background:rgba(18,146,204,.5); }
.task-toolbar-button--submit { border-color:rgba(66,224,187,.7); background:rgba(13,137,111,.34); }
.task-toolbar-button--submit:hover { border-color:rgba(100,245,208,.9); background:rgba(14,164,132,.45); }
@media (max-width:768px) { .training-task-toolbar { justify-content:stretch; } .training-task-toolbar > * { flex:1 1 auto; } }
</style>