<template>
    <div
        class="timeline-container"
        ref="timelineContainerRef"
        :class="{ 'timeline-container-plant': pageType === 'plant' }"
    >
        <div class="timeline-list" :style="getListStyle">
            <div class="timeline-middle-line"></div>
            <!-- 物候期覆盖条（progress 为起点，progress2 为终点，单位 %） -->
            <div
                v-for="(p, idx) in phenologyList"
                :key="p.id ?? idx"
                class="phenology-bar"
                :style="getPhenologyBarStyle(p)"
            >
                <div class="reproductive-list">
                    <div
                        v-for="(r, rIdx) in Array.isArray(p.reproductiveList) ? p.reproductiveList : []"
                        :key="r.id ?? rIdx"
                        class="reproductive-item"
                        :class="{
                            'horizontal-text': getReproductiveItemHeight(p) < 30,
                            'vertical-lr-text': getReproductiveItemHeight(p) >= 30,
                        }"
                        :style="
                            getReproductiveItemHeight(p) < 30
                                ? { '--item-height': `${getReproductiveItemHeight(p)}px` }
                                : {}
                        "
                    >
                        {{ r.name }}
                        <div class="arranges">
                            <div
                                v-for="(fw, aIdx) in Array.isArray(r.farmWorkArrangeList) ? r.farmWorkArrangeList : []"
                                :key="fw.id ?? aIdx"
                                class="arrange-card"
                                :class="getArrangeStatusClass(fw)"
                                @click="handleRowClick(fw)"
                            >
                                <div class="card-header">
                                    <div class="header-left">
                                        <span class="farm-work-name">{{ fw.farmWorkName || "农事名称" }}</span>
                                        <span class="tag-standard">标准农事</span>
                                    </div>
                                    <div class="header-right">托管农事</div>
                                </div>
                                <div class="card-content">
                                    <span>{{ fw.interactionQuestion || "暂无提示" }}</span>
                                    <span v-if="!disableClick" class="edit-link" @click.stop="handleEdit(fw)"
                                        >点击编辑</span
                                    >
                                </div>
                                <div
                                    v-if="
                                        getArrangeStatusClass(fw) === 'status-complete' ||
                                        getArrangeStatusClass(fw) === 'status-warning'
                                    "
                                    class="status-icon"
                                    :class="getArrangeStatusClass(fw)"
                                >
                                    <el-icon
                                        v-if="getArrangeStatusClass(fw) === 'status-complete'"
                                        size="16"
                                        color="#1CA900"
                                    >
                                        <SuccessFilled />
                                    </el-icon>
                                    <el-icon v-else size="18" color="#FF953D">
                                        <WarnTriangleFilled />
                                    </el-icon>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div v-for="t in solarTerms" :key="t.id" class="timeline-term" :style="getTermStyle(t)">
                <span class="term-name">{{ t.displayName }}</span>
            </div>
        </div>
    </div>
    <!-- 互动设置弹窗 -->
    <interact-popup
        ref="interactPopupRef"
        @handleSaveSuccess="getFarmWorkPlan"
    ></interact-popup>
</template>

<script setup>
import { ref, computed, nextTick, watch } from "vue";
import interactPopup from "@/components/popup/interactPopup.vue";
import { ElMessage } from "element-plus";

const props = defineProps({
    // 农场 ID，用于请求农事规划数据
    farmId: {
        type: [String, Number],
        default: null,
    },
    // 页面类型：种植方案 / 农事规划，用来控制高度样式
    pageType: {
        type: String,
        default: "",
    },
    // 是否禁用所有点击事件（用于只读展示）
    disableClick: {
        type: Boolean,
        default: false,
    },
    containerId: {
        type: [Number, String],
        default: null,
    },
});

const emits = defineEmits(["row-click"]);

const solarTerms = ref([]);
const phenologyList = ref([]);
const timelineContainerRef = ref(null);
// 标记是否为首次加载
const isInitialLoad = ref(true);

// 获取当前季节
const getCurrentSeason = () => {
    const month = new Date().getMonth() + 1; // 1-12
    if (month >= 3 && month <= 5) {
        return "spring"; // 春季：3-5月
    } else if (month >= 6 && month <= 8) {
        return "summer"; // 夏季：6-8月
    } else if (month >= 9 && month <= 10) {
        return "autumn"; // 秋季：9-10月
    } else {
        return "winter"; // 冬季：11-2月
    }
};

// 安全解析时间到时间戳（ms）
const safeParseDate = (val) => {
    if (!val) return NaN;
    if (val instanceof Date) return val.getTime();
    if (typeof val === "number") return val;
    if (typeof val === "string") {
        // 兼容 "YYYY-MM-DD HH:mm:ss" -> Safari
        const s = val.replace(/-/g, "/").replace("T", " ");
        const d = new Date(s);
        return isNaN(d.getTime()) ? NaN : d.getTime();
    }
    return NaN;
};

// 计算最小progress值（第一个节气的progress）
const minProgress = computed(() => {
    if (!solarTerms.value || solarTerms.value.length === 0) return 0;
    const progresses = solarTerms.value.map((t) => Number(t?.progress) || 0).filter((p) => !isNaN(p));
    return progresses.length > 0 ? Math.min(...progresses) : 0;
});

// 计算最大progress值
const maxProgress = computed(() => {
    if (!solarTerms.value || solarTerms.value.length === 0) return 100;
    const progresses = solarTerms.value.map((t) => Number(t?.progress) || 0).filter((p) => !isNaN(p));
    return progresses.length > 0 ? Math.max(...progresses) : 100;
});

// 列表高度
const getListStyle = computed(() => {
    const minP = minProgress.value;
    const maxP = maxProgress.value;
    const range = Math.max(1, maxP - minP); // 避免除0
    const total = (solarTerms.value?.length || 0) * 1200;
    const minH = range === 0 ? 0 : total;
    return { minHeight: `${minH}px` };
});

const getTermStyle = (t) => {
    const p = Math.max(0, Math.min(100, Number(t?.progress) || 0));
    const minP = minProgress.value;
    const maxP = maxProgress.value;
    const range = Math.max(1, maxP - minP); // 避免除0
    const total = (solarTerms.value?.length || 0) * 1200;
    // 将progress映射到0开始的位置，最小progress对应top: 0
    const normalizedP = range > 0 ? ((p - minP) / range) * 100 : 0;
    const top = (normalizedP / 100) * total;
    return {
        position: "absolute",
        top: `${top}px`,
        left: 0,
        width: "30px",
        height: "20px",
        display: "flex",
        alignItems: "flex-start",
    };
};

// 点击季节 → 滚动到对应节气（立春/立夏/立秋/立冬）
const handleSeasonClick = (seasonValue) => {
    const mapping = {
        spring: "立春",
        summer: "立夏",
        autumn: "立秋",
        winter: "立冬",
    };
    const targetName = mapping[seasonValue];
    if (!targetName) return;
    const target = (solarTerms.value || []).find((t) => (t?.displayName || "") === targetName);
    if (!target) return;
    const p = Math.max(0, Math.min(100, Number(target.progress) || 0));
    const minP = minProgress.value;
    const maxP = maxProgress.value;
    const range = Math.max(1, maxP - minP);
    const total = (solarTerms.value?.length || 0) * 1200;
    const normalizedP = range > 0 ? ((p - minP) / range) * 100 : 0;
    const targetTop = (normalizedP / 100) * total; // 内容内的像素位置
    const wrap = timelineContainerRef.value;
    if (!wrap) return;
    const viewH = wrap.clientHeight || 0;
    const maxScroll = Math.max(0, wrap.scrollHeight - viewH);
    // 将目标位置稍微靠上（使用 0.35 视口高度做偏移）
    let scrollTop = Math.max(0, targetTop - viewH * 0.1);
    if (scrollTop > maxScroll) scrollTop = maxScroll;
    wrap.scrollTo({ top: scrollTop, behavior: "smooth" });
};

// 物候期覆盖条样式
const getPhenologyBarStyle = (item) => {
    const p1 = Math.max(0, Math.min(100, Number(item?.progress) || 0));
    const p2 = Math.max(0, Math.min(100, Number(item?.progress2) || 0));
    const start = Math.min(p1, p2);
    const end = Math.max(p1, p2);
    const minP = minProgress.value;
    const maxP = maxProgress.value;
    const range = Math.max(1, maxP - minP);
    const total = (solarTerms.value?.length || 0) * 1200; // 有效绘制区高度（px）
    // 将progress映射到0开始的位置
    const normalizedStart = range > 0 ? ((start - minP) / range) * 100 : 0;
    const normalizedEnd = range > 0 ? ((end - minP) / range) * 100 : 0;
    let topPx = (normalizedStart / 100) * total;
    let heightPx = Math.max(2, ((normalizedEnd - normalizedStart) / 100) * total);

    // 顶部对齐
    const firstTermTop = 0;
    const minTop = firstTermTop + 10;
    if (topPx < minTop) {
        const diff = minTop - topPx;
        topPx = minTop;
        heightPx = Math.max(2, heightPx - diff);
    }

    // 底部对齐
    const lastTermTop = (100 / 100) * total;
    const maxBottom = lastTermTop + 35;
    const barBottom = topPx + heightPx;
    if (barBottom > maxBottom) {
        heightPx = Math.max(2, maxBottom - topPx);
    }

    const now = Date.now();
    const isFuture = Number.isFinite(item?.startTimeMs) ? item.startTimeMs > now : start > 0;
    const barColor = isFuture ? "rgba(145, 145, 145, 0.1)" : "#2199F8";
    const beforeBg = isFuture ? "rgba(145, 145, 145, 0.1)" : "rgba(33, 153, 248, 0.1)";
    return {
        position: "absolute",
        left: "46px",
        width: "25px",
        top: `${topPx}px`,
        height: `${heightPx}px`,
        background: barColor,
        color: isFuture ? "#747778" : "#fff",
        "--bar-before-bg": beforeBg,
        zIndex: 2,
    };
};

// 农事状态样式映射（0:默认，1-4:正常，5:完成，6:预警）
const getArrangeStatusClass = (fw) => {
    const t = fw?.flowStatus;
    if (t == null) return "status-default";
    if (t >= 0 && t <= 4) return "status-normal";
    if (t === 5) return "status-complete";
    if (t === 6) return "status-warning";
    return "status-default";
};

// 计算 phenology-bar 的高度（px）
const getPhenologyBarHeight = (item) => {
    const p1 = Math.max(0, Math.min(100, Number(item?.progress) || 0));
    const p2 = Math.max(0, Math.min(100, Number(item?.progress2) || 0));
    const start = Math.min(p1, p2);
    const end = Math.max(p1, p2);
    const minP = minProgress.value;
    const maxP = maxProgress.value;
    const range = Math.max(1, maxP - minP);
    const total = (solarTerms.value?.length || 0) * 1200;
    const normalizedStart = range > 0 ? ((start - minP) / range) * 100 : 0;
    const normalizedEnd = range > 0 ? ((end - minP) / range) * 100 : 0;
    const heightPx = Math.max(2, ((normalizedEnd - normalizedStart) / 100) * total);
    return heightPx;
};

// 计算 reproductive-item 的高度（px）
const getReproductiveItemHeight = (phenologyItem) => {
    const barHeight = getPhenologyBarHeight(phenologyItem);
    const listLength = Array.isArray(phenologyItem?.reproductiveList) ? phenologyItem.reproductiveList.length : 1;
    return listLength > 0 ? barHeight / listLength : barHeight;
};

const handleRowClick = (item) => {
    emits("row-click", item);
};

const interactPopupRef = ref(null);
const handleEdit = (item) => {
    if (props.disableClick) return;
    if (interactPopupRef.value) {
        interactPopupRef.value.showPopup(item);
    }
};

const containerIdData = ref(null);

// 获取农事规划数据
const getFarmWorkPlan = () => {
    if (!props.farmId && !props.containerId) return;
    let savedScrollTop = 0;
    if (!isInitialLoad.value && timelineContainerRef.value) {
        savedScrollTop = timelineContainerRef.value.scrollTop || 0;
    }

    VE_API.monitor
        .farmWorkPlan({ farmId: props.farmId, containerId: props.containerId })
        .then(({ data, code }) => {
            if (code === 0) {
                containerIdData.value = data.phenologyList[0].containerSpaceTimeId;
                const list = Array.isArray(data?.solarTermsList) ? data.solarTermsList : [];
                const filtered = list
                    .filter((t) => t && t.type === 1)
                    .map((t) => ({
                        id:
                            t.id ??
                            t.solarTermsId ??
                            t.termId ??
                            `${t.name || t.solarTermsName || t.termName || "term"}-${t.createDate || ""}`,
                        displayName: t.name || t.solarTermsName || t.termName || "节气",
                        createDate: t.createDate || null,
                        progress: Number(t.progress) || 0,
                    }));
                solarTerms.value = filtered;
                // 物候期数据
                phenologyList.value = Array.isArray(data?.phenologyList)
                    ? data.phenologyList.map((it) => {
                          const reproductiveList = Array.isArray(it.reproductiveList)
                              ? it.reproductiveList.map((r) => {
                                    const farmWorkArrangeList = Array.isArray(r.farmWorkArrangeList)
                                        ? r.farmWorkArrangeList.map((fw) => ({
                                              ...fw,
                                              containerSpaceTimeId: it.containerSpaceTimeId,
                                          }))
                                        : [];
                                    return {
                                        ...r,
                                        farmWorkArrangeList,
                                    };
                                })
                              : [];

                          return {
                              id: it.id ?? it.phenologyId ?? it.name ?? `${it.progress}-${it.progress2}`,
                              progress: Number(it.progress) || 0, // 起点 %
                              progress2: Number(it.progress2) || 0, // 终点 %
                              startTimeMs: safeParseDate(
                                  it.startDate || it.beginDate || it.startTime || it.start || it.start_at
                              ),
                              reproductiveList,
                          };
                      })
                    : [];

                nextTick(() => {
                    if (isInitialLoad.value) {
                        const currentSeason = getCurrentSeason();
                        handleSeasonClick(currentSeason);
                        isInitialLoad.value = false;
                    } else if (timelineContainerRef.value && savedScrollTop > 0) {
                        timelineContainerRef.value.scrollTop = savedScrollTop;
                    }
                });
            }
        })
        .catch((error) => {
            console.error("获取农事规划数据失败:", error);
            ElMessage.error("获取农事规划数据失败");
        });
};

watch(
    () => props.farmId || props.containerId,
    (val) => {
        if (val) {
            isInitialLoad.value = true;
            getFarmWorkPlan();
        }
    },
    { immediate: true }
);
</script>

<style scoped lang="scss">
.timeline-container {
    height: 100%;
    overflow: auto;
    position: relative;
    box-sizing: border-box;
    .timeline-list {
        position: relative;
    }
    .timeline-middle-line {
        position: absolute;
        left: 15px; /* 位于节气文字列中间（列宽约30px） */
        top: 0;
        bottom: 0;
        width: 2px;
        background: #e8e8e8;
        z-index: 1;
    }
    .phenology-bar {
        display: flex;
        align-items: stretch;
        justify-content: center;
        box-sizing: border-box;
        .reproductive-list {
            display: grid;
            grid-auto-rows: 1fr; /* 子项等高，整体等分父高度 */
            align-items: stretch;
            justify-items: center; /* 子项居中 */
            width: 100%;
            height: 100%;
            box-sizing: border-box;
        }
        .reproductive-item {
            font-size: 12px;
            text-align: center;
            word-break: break-all;
            writing-mode: vertical-rl;
            text-orientation: upright;
            letter-spacing: 3px;
            width: 100%;
            line-height: 23px;
            color: inherit;
            position: relative;
            &.horizontal-text {
                writing-mode: horizontal-tb;
                text-orientation: mixed;
                letter-spacing: normal;
                line-height: calc(var(--item-height, 15px) - 3px);
            }
            &.vertical-lr-text {
                writing-mode: vertical-lr;
                text-orientation: upright;
                letter-spacing: 3px;
                line-height: 26px;
            }
            .arranges {
                position: absolute;
                left: 40px; /* 列与中线右侧一段距离 */
                top: 0;
                z-index: 3;
                display: flex;
                max-width: calc(100vw - 100px);
                gap: 12px;
                letter-spacing: 0px;
                .arrange-card {
                    width: 97%;
                    border: 0.5px solid #2199f8;
                    border-radius: 8px;
                    background: #fff;
                    box-sizing: border-box;
                    position: relative;
                    padding: 8px;
                    writing-mode: horizontal-tb;
                    .card-header {
                        display: flex;
                        justify-content: space-between;
                        align-items: center;
                        .header-left {
                            display: flex;
                            align-items: center;
                            gap: 8px;
                            .farm-work-name {
                                font-size: 14px;
                                font-weight: 500;
                                color: #1d2129;
                            }
                            .tag-standard {
                                padding: 0 8px;
                                background: rgba(119, 119, 119, 0.1);
                                border-radius: 25px;
                                font-weight: 400;
                                font-size: 12px;
                                color: #000;
                            }
                        }
                        .header-right {
                            font-size: 12px;
                            color: #808080;
                            padding: 0 8px;
                            border-radius: 25px;
                        }
                    }
                    .card-content {
                        color: #909090;
                        text-align: left;
                        line-height: 1.55;
                        margin: 4px 0 2px 0;
                        .edit-link {
                            color: #2199f8;
                            margin-left: 5px;
                        }
                    }
                    .status-icon {
                        position: absolute;
                        right: -8px;
                        bottom: -8px;
                        z-index: 3;
                    }
                    &::before {
                        content: "";
                        position: absolute;
                        left: -6px;
                        top: 50%;
                        transform: translateY(-50%);
                        width: 0;
                        height: 0;
                        border-top: 5px solid transparent;
                        border-bottom: 5px solid transparent;
                        border-right: 5px solid #2199f8;
                    }
                }
                .arrange-card.status-warning {
                    border-color: #ff953d;
                    &::before {
                        border-right-color: #ff953d;
                    }
                }
                .arrange-card.status-complete {
                    border-color: #1ca900;
                    &::before {
                        border-right-color: #1ca900;
                    }
                }
                .arrange-card.status-normal {
                    border-color: #2199f8;
                    &::before {
                        border-right-color: #2199f8;
                    }
                }
            }
        }
    }
    .reproductive-item + .reproductive-item {
        border-top: 2px solid #fff;
    }
    .phenology-bar + .phenology-bar {
        border-top: 2px solid #fff;
    }
    .timeline-term {
        position: absolute;
        width: 30px;
        padding-right: 16px;
        display: flex;
        align-items: flex-start;
        z-index: 2; /* 置于中线之上 */
        .term-name {
            display: inline-block;
            width: 100%;
            height: 46px;
            line-height: 30px;
            background: #f5f7fb;
            font-size: 13px;
            word-break: break-all;
            writing-mode: vertical-rl;
            text-orientation: upright;
            color: rgba(174, 174, 174, 0.6);
            text-align: center;
        }
    }
}
</style>
