<template>
	<div class="wrap">
		<div class="header">
			<div class="header-top">
				<div class="header-top-left">
					<img :src="headerTitle.img" alt="" />
					<div>
						<div class="title">{{ headerTitle.title }}</div>
						<div class="en-title">
							{{ headerTitle.sanTitle }}
						</div>
					</div>
				</div>
				<div class="header-top-right">
					<div class="image-name-box">
						<div class="image"><img :src="headerTitle.postOrgLogoUrl" alt="" /></div>
						<div class="name">{{ headerTitle.postOrgName }}</div>
					</div>
					<div class="time">{{ headerTitle.postDate }}</div>
				</div>
			</div>
		</div>
		<div class="main">
			<div class="main-header">
				<div>实体清单制裁文件</div>
				<div class="btn-box">
					<div class="translate">
						<div class="search-input-wrap" v-if="showSearchInput">
							<input v-model="searchKeywordText" class="search-input" placeholder="回车查询"
								@keyup.enter="handleSearchInPdf" />
							<div class="search-match-count">{{ matchInfo.current }}/{{ matchInfo.total }}</div>
							<button class="search-nav-btn" type="button" @click="handlePrevMatch"
								:disabled="matchInfo.total === 0 || matchInfo.current <= 1">
								上一个
							</button>
							<button class="search-nav-btn" type="button" @click="handleNextMatch"
								:disabled="matchInfo.total === 0 || matchInfo.current >= matchInfo.total">
								下一个
							</button>
						</div>
						<div class="switch">
							<el-switch v-model="valueSwitch" />
						</div>
						<div class="translate-image">
							<img class="translate-icon" src="../assets/icon-translation.png" alt="" style="
									width: 16px;
									height: 16px;
									max-width: 16px;
									max-height: 16px;
									display: block;
									object-fit: contain;
								" />
						</div>
						<div class="translate-text">{{ "显示译文" }}</div>
					</div>
					<div class="btn" @click="handleDownload">
						<div class="icon">
							<img src="../assets/image-pdf.png" alt="" />
						</div>
						<div class="text">{{ "下载" }}</div>
					</div>
				</div>
			</div>
			<div class="report-box">
				<div class="pdf-pane-wrap" :class="{ 'is-full': !valueSwitch }" v-if="reportUrlWithPage">
					<pdf :key="`right-pdf-${valueSwitch ? 'split' : 'full'}`" ref="rightPdfRef" :pdfUrl="reportUrlWithPage"
						class="pdf-pane-inner" />
				</div>
				<div class="pdf-pane-wrap" v-if="valueSwitch && reportUrlEnWithPage">
					<pdf ref="leftPdfRef" :pdfUrl="reportUrlEnWithPage" class="pdf-pane-inner" />
				</div>
			</div>
		</div>
	</div>
</template>

<script setup>
import { computed, ref, onMounted, watch } from "vue";
import pdf from "./pdf.vue";
import { getThinkTankReportSummary, getThinkTankReportcontentUrl } from "@/api/thinkTank/overview";
import { useRoute, useRouter } from "vue-router";
import { getSingleSanctionOverview } from "@/api/exportControlV2.0.js";
import title from "../assets/title.png";

const router = useRouter();
const route = useRoute();
const reportUrl = ref("");
const reportUrlEn = ref("");
const thinkInfo = ref({});
const defaultPdfPage = ref(1);
const sourceCurrentPage = ref(Number(route.query.currentPage) || 1);
const sourcePageSize = ref(Number(route.query.pageSize) || 12);
const opinionId = ref(route.query.opinionId || "");
const opinionContent = ref(route.query.opinionContent || "");

const headerTitle = ref({
	img: title,
	title: "",
	department: "",
	srcUrl: "",
	transUrl: ""
});
const sanRecordId = ref("");
const buildPdfPageUrl = url => {
	if (!url) return "";
	return `${url}#page=${defaultPdfPage.value}`;
};

const reportUrlWithPage = computed(() => buildPdfPageUrl(headerTitle.value.srcUrl));
const reportUrlEnWithPage = computed(() => buildPdfPageUrl(headerTitle.value.transUrl));
const valueSwitch = ref(true);
const showSearchInput = ref(true);
const searchKeywordText = ref("");
const leftPdfRef = ref(null);
const rightPdfRef = ref(null);
const matchInfo = ref({ current: 0, total: 0 });
const activePdfRef = ref(null);

const clearPdfSearchState = () => {
	activePdfRef.value = null;
	matchInfo.value = { current: 0, total: 0 };
	const leftPdf = leftPdfRef.value;
	const rightPdf = rightPdfRef.value;
	if (leftPdf && typeof leftPdf.clearSearch === "function") {
		leftPdf.clearSearch();
	}
	if (rightPdf && typeof rightPdf.clearSearch === "function") {
		rightPdf.clearSearch();
	}
};

const updateMatchInfo = () => {
	const pdf = activePdfRef.value;
	if (pdf && typeof pdf.getMatchInfo === "function") {
		matchInfo.value = pdf.getMatchInfo();
		return;
	}
	matchInfo.value = { current: 0, total: 0 };
};

watch(
	() => searchKeywordText.value,
	val => {
		const keyword = String(val ?? "").trim();
		if (!keyword) {
			clearPdfSearchState();
		}
	}
);

watch(
	() => valueSwitch.value,
	() => {
		// 切换「显示原文」会导致 PDF 重新挂载/布局变化：清空搜索与计数，回到初始状态
		searchKeywordText.value = "";
		clearPdfSearchState();
	}
);

const handleSearchInPdf = async () => {
	const keyword = searchKeywordText.value?.trim();
	if (!keyword) return;
	activePdfRef.value = null;
	matchInfo.value = { current: 0, total: 0 };
	const leftPdf = leftPdfRef.value;
	const rightPdf = rightPdfRef.value;
	let page = 0;
	let targetRef = null;
	if (leftPdf && typeof leftPdf.searchKeyword === "function") {
		page = await leftPdf.searchKeyword(keyword);
		if (page) targetRef = leftPdf;
	}
	if (!page && rightPdf && typeof rightPdf.searchKeyword === "function") {
		page = await rightPdf.searchKeyword(keyword);
		if (page) targetRef = rightPdf;
	}
	if (page && targetRef && typeof targetRef.goToPage === "function") {
		targetRef.goToPage(page);
		activePdfRef.value = targetRef;
		updateMatchInfo();
	} else {
		try {
			const { ElMessage } = await import("element-plus");
			ElMessage.warning("未找到包含该关键词的页面");
		} catch (_) { }
	}
};

const handlePrevMatch = () => {
	const pdf = activePdfRef.value;
	if (!pdf || typeof pdf.prevMatch !== "function") return;
	pdf.prevMatch();
	updateMatchInfo();
};

const handleNextMatch = () => {
	const pdf = activePdfRef.value;
	if (!pdf || typeof pdf.nextMatch !== "function") return;
	pdf.nextMatch();
	updateMatchInfo();
};

// 下载：中英文都下载，与政令原文页相同的 fetch → blob → a 标签触发下载
const downloadOnePdf = async (url, filename) => {
	const response = await fetch(url, {
		method: "GET",
		headers: { "Content-Type": "application/pdf" }
	});
	if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);
	const blob = await response.blob();
	const blobUrl = window.URL.createObjectURL(blob);
	const link = document.createElement("a");
	link.href = blobUrl;
	link.download = filename;
	document.body.appendChild(link);
	link.click();
	document.body.removeChild(link);
	window.URL.revokeObjectURL(blobUrl);
};

const handleDownload = async () => {
	const urlZh = headerTitle.value.srcUrl ? String(headerTitle.value.srcUrl) : "";
	const urlEn = headerTitle.value.transUrl ? String(headerTitle.value.transUrl) : "";
	if (!urlZh && !urlEn) {
		try {
			const { ElMessage } = await import("element-plus");
			ElMessage.warning("暂无下载链接");
		} catch (_) { }
		return;
	}
	const baseName = (thinkInfo.value?.name || "报告原文").replace(/[/\\?%*:|"<>]/g, "-");
	const { ElMessage } = await import("element-plus");
	try {
		if (urlZh) {
			await downloadOnePdf(urlZh, `${baseName}_中文.pdf`);
		}
		if (urlEn) {
			if (urlZh) await new Promise(r => setTimeout(r, 300));
			await downloadOnePdf(urlEn, `${baseName}_英文.pdf`);
		}
		if (urlZh || urlEn) {
			ElMessage.success(urlZh && urlEn ? "已下载中文、英文两份 PDF" : "下载成功");
		}
	} catch (error) {
		console.error("下载失败:", error);
		ElMessage.error("PDF 下载失败，请稍后重试");
	}
};

/** 接口可能返回对象或数组；字段名兼容 snake/camel */
const normalizeReportSummaryRow = row => {
	if (!row || typeof row !== "object") return {};
	return {
		...row,
		name: row.name || "",
		imageUrl: row.imageUrl || row.image || "",
		ename: row.ename || row.nameEn || row.englishName || "",
		times: row.times || row.postDate || "",
		thinkTankName: row.thinkTankName || row.thinktankName || "",
		thinkTankLogoUrl: row.thinkTankLogoUrl || row.thinktankLogo || ""
	};
};

const applyReportOriginalDocumentTitle = title => {
	const text = String(title || "").trim();
	if (!text) return;
	window.sessionStorage.setItem("reportOriginalTabName", text);
	document.title = text;
};

// 获取报告全局信息
const handleGetThinkTankReportSummary = async () => {
	try {
		const res = await getThinkTankReportSummary(router.currentRoute._value.params.id);
		console.log("报告全局信息", res);
		if (res.code === 200 && res.data) {
			const raw = res.data;
			const first = Array.isArray(raw) ? raw[0] : raw;
			const normalized = normalizeReportSummaryRow(first);
			thinkInfo.value = normalized;
			applyReportOriginalDocumentTitle(normalized.name);
		}
	} catch (error) {
		console.error("获取报告全局信息error", error);
	}
};

const getUrlParams = () => {
	const urlParams = new URLSearchParams(window.location.search);
	sanRecordId.value = urlParams.get("id") || "";
};
const getSingleSanctionOverviewData = async () => {
	if (!sanRecordId.value) return;
	try {
		const res = await getSingleSanctionOverview({
			sanRecordId: sanRecordId.value
		});
		if (res.code === 200 && res.data) {
			const singleSanctionOverview = res.data || {};

			// 格式化日期
			let dateStr = "";
			if (singleSanctionOverview.postDate) {
				const date = new Date(singleSanctionOverview.postDate);
				if (!isNaN(date.getTime())) {
					dateStr = `${date.getFullYear()}年${date.getMonth() + 1}月${date.getDate()}日`;
				} else {
					dateStr = singleSanctionOverview.postDate;
				}
			}

			// 更新头部信息
			headerTitle.value = {
				...singleSanctionOverview,
				...headerTitle.value,
				title: `${dateStr}《${singleSanctionOverview.sanTitleZh || singleSanctionOverview.sanTitle}》`,
				department: singleSanctionOverview.fileCode || "",
				srcUrl: singleSanctionOverview.srcUrl || "",
				transUrl: singleSanctionOverview.transUrl || ""
			};
			applyReportOriginalDocumentTitle(headerTitle.value.title || "");
		}
	} catch (error) {
		console.error("获取制裁概况失败:", error);
	}
};
//获取原文
const handleGetThinkTankReportcontentUrl = async () => {
	try {
		const res = await getThinkTankReportcontentUrl(router.currentRoute._value.params.id);
		console.log("获取原文", res);
		if (res.code === 200 && res.data) {
			reportUrl.value = res.data.content;
			reportUrlEn.value = res.data.contentEn;
		}
	} catch (error) {
		console.error("获取原文error", error);
	}
};

const tabActiveName = ref("报告分析");

const switchTab = name => {
	tabActiveName.value = name;
};
onMounted(async () => {
	window.sessionStorage.setItem("curTabName", "实体清单原文");
	handleGetThinkTankReportSummary();
	handleGetThinkTankReportcontentUrl();
	console.log("原文展示");
	getUrlParams();
	getSingleSanctionOverviewData();
});
</script>

<style lang="scss" scoped>
.wrap {
	overflow-y: hidden;
	height: 100vh;
	display: flex;
	flex-direction: column;

	.header {
		width: 100%;
		height: 88px;
		box-sizing: border-box;
		border-bottom: 1px solid rgba(234, 236, 238, 1);
		box-shadow: 0px 0px 20px 0px rgba(25, 69, 130, 0.1);
		background: rgba(255, 255, 255, 1);
		position: sticky;
		top: 0;
		z-index: 99999;
		overflow: hidden;

		.header-top {
			margin: 0 auto;
			margin-top: 20px;
			width: 1600px;
			display: flex;
			justify-content: space-between;

			.header-top-left {
				display: flex;

				img {
					width: 44px;
					height: 54px;
				}

				.title {
					margin-left: 20px;
					height: 26px;
					color: rgba(59, 65, 75, 1);
					font-family: Microsoft YaHei;
					font-size: 20px;
					font-weight: 700;
					line-height: 26px;
					letter-spacing: 0px;
					text-align: left;
				}

				.en-title {
					margin-top: 4px;
					margin-left: 20px;
					height: 24px;
					color: rgba(95, 101, 108, 1);
					font-family: Microsoft YaHei;
					font-size: 16px;
					font-weight: 400;
					line-height: 24px;
					letter-spacing: 0px;
					text-align: left;
					/* 👇 下面是 两行文本超出省略 核心代码 */
					display: -webkit-box;
					-webkit-line-clamp: 1;
					/* 限制显示 2 行 */
					-webkit-box-orient: vertical;
					overflow: hidden;
					text-overflow: ellipsis;
					word-break: break-all;
				}

				.tag-box {
					margin-top: 11px;
					display: flex;
					gap: 8px;
					margin-left: 20px;
				}
			}

			.header-top-right {
				display: flex;
				flex-direction: column;
				text-align: right;
				align-items: flex-end;

				.image-name-box {
					width: 200px;
					height: 24px;
					gap: 6px;

					text-align: right;
					display: flex;
					justify-content: flex-end;

					.name {
						height: 24px;
						color: rgba(95, 101, 108, 1);
						font-family: Microsoft YaHei;
						font-size: 16px;
						font-weight: 400;
						line-height: 24px;
						letter-spacing: 0px;
						text-align: right;
					}

					.image {
						width: 16px;
						height: 16px;

						margin-top: 5px;

						img {
							width: 100%;
							height: 100%;
						}
					}
				}

				.time {
					height: 24px;
					margin-top: 5px;
					color: rgba(95, 101, 108, 1);
					font-family: Microsoft YaHei;
					font-size: 16px;
					font-weight: 400;
					line-height: 24px;
					letter-spacing: 0px;
					text-align: right;
				}
			}
		}

		.header-bottom {
			margin: 0 auto;
			margin-top: 30px;
			width: 1600px;
			height: 48px;
			display: flex;
			justify-content: space-between;

			.tab-box {
				width: 224px;
				height: 48px;
				display: flex;
				gap: 24px;

				.tab {
					width: 94px;
					height: 48px;
					display: flex;
					align-items: center;
					justify-content: center;
					gap: 4px;
					cursor: pointer;
					border-bottom: 2px solid transparent;

					.icon {
						width: 16px;
						height: 16px;

						img {
							width: 100%;
							height: 100%;
						}
					}

					.text {
						height: 24px;
						color: rgba(59, 65, 75, 1);
						font-family: Microsoft YaHei;
						font-size: 18px;
						font-weight: 400;
						line-height: 24px;
					}

					.textActive {
						color: rgba(5, 95, 194, 1);
						font-weight: 700;
					}
				}

				.tabActive {
					border-bottom: 2px solid rgba(5, 95, 194, 1);
				}
			}
		}
	}

	.main {
		margin: 0px auto;
		margin-top: 20px;
		background: rgb(255, 255, 255);
		width: 1600px;
		// height: 900px;
		margin-bottom: 20px;
		padding-bottom: 15px;

		border: 1px, solid, rgb(234, 236, 238);
		box-shadow: 0 0 20px 0 rgba(25, 69, 130, 0.1);

		.main-header {
			height: 64px;
			/* box-sizing: border-box; */
			border-bottom: 1px solid rgb(234, 236, 238);
			background: rgb(255, 255, 255);
			margin: 0 70px;
			color: rgba(59, 65, 75, 1);
			font-family: "Source Han Sans CN";
			font-style: Bold;
			font-size: 20px;
			font-weight: 700;
			line-height: 26px;
			letter-spacing: 0px;
			width: 1456px;
			text-align: left;
			display: flex;
			justify-content: space-between;
			align-items: center;
			overflow: visible;

			.btn-box {
				display: flex;
				align-items: center;
				gap: 8px;
				flex-shrink: 0;

				.translate {
					display: flex;
					flex-wrap: nowrap;
					align-items: center;
					height: 24px;
					margin-right: 16px;
					flex-shrink: 0;

					:deep(.el-switch) {
						width: 22px !important;
						height: 14px !important;
						margin-bottom: 5px;
						margin-right: 8px;
					}

					:deep(.el-switch__core) {
						width: 22px !important;
						height: 14px !important;
						min-width: 22px !important;
					}

					:deep(.el-switch__button),
					:deep(.el-switch__action) {
						width: 10px !important;
						height: 10px !important;
					}

					/* 打开时圆球从左边移到最右边：轨道 22px - 圆球 10px = 12px */
					:deep(.el-switch.is-checked .el-switch__button),
					:deep(.el-switch.is-checked .el-switch__action) {
						transform: translateX(6px) !important;
					}

					.translate-image {
						display: flex;
						width: 16px;
						height: 16px;
						overflow: hidden;

						img {
							width: 100%;
							height: 100%;
						}
					}

					.translate-text {
						font-size: 14px;
						font-weight: 400;
						line-height: 22px;
					}
				}

				.btn {
					width: 88px;
					height: 32px;

					box-sizing: border-box;
					border: 1px solid rgba(230, 231, 232, 1);
					border-radius: 6px;
					background: rgba(255, 255, 255, 1);
					display: flex;
					gap: 8px;
					cursor: pointer;

					.icon {
						width: 16px;
						height: 16px;
						display: inline-flex;
						margin-top: 8px;
						margin-left: 16px;

						img {
							width: 100%;
							height: 100%;
						}
					}

					.text {
						margin-top: 4px;
						width: 32px;
						height: 24px;
						color: rgb(59, 65, 75);
						font-family: "Source Han Sans CN";
						font-size: 16px;
						font-weight: 400;
						line-height: 24px;
						letter-spacing: 0px;
						text-align: left;
					}
				}

				.search-btn {
					cursor: pointer;
				}

				.search-input-wrap {
					display: inline-flex;
					align-items: center;
					gap: 8px;
					margin-left: 4px;
					flex-shrink: 0;
				}

				.search-input {
					width: 160px;
					height: 24px;
					box-sizing: border-box;
					border: 1px solid rgba(231, 243, 255, 1);
					background: rgba(246, 250, 255, 1);
					border-radius: 4px;
					padding: 0 10px;

					font-family: "Source Han Sans CN";
					font-size: 14px;
					line-height: 22px;
					outline: none;
				}

				.search-match-count {
					font-family: "Source Han Sans CN";
					font-weight: 400;
					font-size: 14px;
					line-height: 22px;
					min-width: 48px;
					text-align: center;
					flex-shrink: 0;
				}

				.search-nav-btn {
					width: 68px;
					height: 24px;
					box-sizing: border-box;
					border: 1px solid rgba(231, 243, 255, 1);
					background: rgba(246, 250, 255, 1);
					border-radius: 4px;
					font-family: "Source Han Sans CN";
					font-weight: 400;
					font-size: 14px;
					line-height: 22px;

					cursor: pointer;
					padding: 0;
					flex-shrink: 0;
					white-space: nowrap;
				}

				.search-nav-btn:disabled {
					opacity: 0.45;
					cursor: not-allowed;
				}
			}
		}

		.report-box {
			margin-left: 70px;
			width: 1456px;
			height: 881px;
			display: flex;
			overflow-y: auto;
			/* 右侧统一滚动条，控制两侧原文+译文一起滚动 */
			overflow-x: hidden;
		}

		.pdf-pane-wrap {
			flex: 0 0 50%;
			max-width: 50%;
			height: 100%;
			min-width: 0;
		}

		.pdf-pane-wrap.is-full {
			flex: 0 0 100%;
			max-width: 100%;
		}

		.pdf-pane-inner {
			width: 100%;
			height: 100%;
		}
	}
}
</style>
