// 测试信息页 — 三视图 (全部 / B2 / B4)

// ─── 视图定义 ───────────────────────────────────

const VIEWS = {
    all: {
        label: '全部数据',
        data_source: '',          // '' = 不过滤
        cols: [
            { key: 'id',            title: 'ID' },
            { key: 'serial',        title: '设备编码' },
            { key: 'dpg430_addr',   title: '地址' },
            { key: 'model',         title: '型号',      render: r => r.sub_type === 1 ? 'PD132' : r.sub_type === 2 ? 'DLD110' : '-' },
            { key: 'str_type',      title: '类型' },
            { key: 'data_source',   title: '来源' },
            { key: 'test_mode',     title: '测试模式',   render: r => r.test_mode === 1 ? '波动' : '灵敏度' },
            { key: 'ppvalue',       title: '峰峰值(V)',  render: r => r.ppvalue?.toFixed(2) || '-' },
            { key: 'idle_freq',     title: '开始频率' },
            { key: 'enter_dist',    title: '进入距离' },
            { key: 'exit_dist',     title: '离开距离' },
            { key: 'remain_count',  title: '剩余次数' },
            { key: 'curr_dist',     title: '当前距离' },
            { key: 'create_time',   title: '时间' },
        ],
    },
    b2: {
        label: '灵敏度测试',
        data_source: 'B2',
        cols: [
            { key: 'id',            title: 'ID' },
            { key: 'serial',        title: '设备编码' },
            { key: 'dpg430_addr',   title: '地址' },
            { key: 'model',         title: '型号',      render: r => r.sub_type === 1 ? 'PD132' : r.sub_type === 2 ? 'DLD110' : '-' },
            { key: 'str_type',      title: '类型' },
            { key: 'test_mode',     title: '测试模式',   render: r => r.test_mode === 1 ? '波动' : '灵敏度' },
            { key: 'iffinish',      title: '完成',       render: r => r.iffinish === '1' ? '是' : '否' },
            { key: 'fault_info',    title: '故障信息' },
            { key: 'relay_out',     title: '继电器' },
            { key: 'ppvalue',       title: '峰峰值(V)',  render: r => r.ppvalue?.toFixed(2) || '-' },
            { key: 'idle_freq',     title: '开始频率' },
            { key: 'enter_freq',    title: '进入频率' },
            { key: 'exit_freq',     title: '离开频率' },
            { key: 'enter_dist',    title: '进入距离' },
            { key: 'exit_dist',     title: '离开距离' },
            { key: 'enter_speed',   title: '进入速度',   render: r => toSpeed(r.enter_speed) },
            { key: 'exit_speed',    title: '离开速度',   render: r => toSpeed(r.exit_speed) },
            { key: 'create_time',   title: '时间' },
        ],
    },
    b4: {
        label: '波动测试',
        data_source: 'B4',
        cols: [
            { key: 'id',            title: 'ID' },
            { key: 'serial',        title: '设备编码' },
            { key: 'dpg430_addr',   title: '地址' },
            { key: 'remain_count',  title: '剩余次数' },
            { key: 'work_freq',     title: '工作频率(Hz)' },
            { key: 'curr_dist',     title: '当前距离(mm)' },
            { key: 'speed',         title: '速度(dm/s)' },
            { key: 'near_dist',     title: '最近距离(mm)' },
            { key: 'far_dist',      title: '最远距离(mm)' },
            { key: 'b4_enter_dist', title: '进入高度(mm)' },
            { key: 'b4_leave_dist', title: '离开高度(mm)' },
            { key: 'relay_out',     title: '继电器' },
            { key: 'create_time',   title: '时间' },
        ],
    },
};

// ─── 状态 ───────────────────────────────────────

let currentView = 'all';
let currentPage = 1;
let totalPages = 1;

function toSpeed(v) {
    if (v === null || v === undefined || v === '') return '-';
    return (parseFloat(v) / 10).toFixed(1);
}

// ─── 视图切换 ────────────────────────────────────

function switchView(view) {
    currentView = view;
    document.querySelectorAll('.tab-btn').forEach(b => b.classList.remove('active'));
    document.getElementById('tab-' + view).classList.add('active');
    // 重置分页
    currentPage = 1;
    searchData(1);
}

// ─── 查询 ────────────────────────────────────────

async function searchData(page = 1) {
    currentPage = page;
    const serial = document.getElementById("search-serial").value;
    const dateFrom = document.getElementById("search-date-from").value;
    const dateTo = document.getElementById("search-date-to").value;
    const v = VIEWS[currentView];

    const perPage = parseInt(document.getElementById("per-page").value) || 20;

    const params = new URLSearchParams({ page, per_page: perPage });
    if (serial) params.set("serial", serial);
    if (dateFrom) params.set("date_from", dateFrom);
    if (dateTo) params.set("date_to", dateTo);
    // 按 data_source 过滤（全部不过滤）
    if (v.data_source) {
        params.set("data_source", v.data_source);
    }

    try {
        const resp = await fetch(`/api/test-data?${params}`);
        const data = await resp.json();
        renderTable(data.records);
        totalPages = data.pages;
        renderPagination();
    } catch (e) {
        console.error("查询失败:", e);
    }
}

// ─── 渲染表头 ────────────────────────────────────

function renderHead() {
    const thead = document.querySelector("#test-data-table thead");
    const v = VIEWS[currentView];
    thead.innerHTML = '<tr>' +
        v.cols.map(c => `<th>${c.title}</th>`).join('') +
        '</tr>';
}

// ─── 渲染数据行 ──────────────────────────────────

function renderTable(records) {
    renderHead();
    const tbody = document.querySelector("#test-data-table tbody");
    const v = VIEWS[currentView];
    const nCols = v.cols.length;

    if (!records.length) {
        tbody.innerHTML = `<tr><td colspan="${nCols}" style="text-align:center;color:#999;">暂无数据</td></tr>`;
        return;
    }
    tbody.innerHTML = records.map(r =>
        '<tr>' + v.cols.map(c => {
            if (c.render) return `<td>${c.render(r)}</td>`;
            const val = r[c.key];
            return `<td>${val !== null && val !== undefined && val !== '' ? val : '-'}</td>`;
        }).join('') + '</tr>'
    ).join("");
}

// ─── 分页 ────────────────────────────────────────

function renderPagination() {
    const div = document.getElementById("pagination");
    let html = "";
    html += `<button onclick="searchData(${currentPage - 1})" ${currentPage <= 1 ? 'disabled' : ''}>上一页</button>`;
    for (let i = 1; i <= totalPages; i++) {
        if (i === currentPage) {
            html += `<button class="active">${i}</button>`;
        } else {
            html += `<button onclick="searchData(${i})">${i}</button>`;
        }
    }
    html += `<button onclick="searchData(${currentPage + 1})" ${currentPage >= totalPages ? 'disabled' : ''}>下一页</button>`;
    div.innerHTML = html;
}

// ─── 导出 ────────────────────────────────────────

function exportCSV() {
    const serial = document.getElementById("search-serial").value;
    const dateFrom = document.getElementById("search-date-from").value;
    const dateTo = document.getElementById("search-date-to").value;
    const v = VIEWS[currentView];

    const params = new URLSearchParams();
    if (serial) params.set("serial", serial);
    if (dateFrom) params.set("date_from", dateFrom);
    if (dateTo) params.set("date_to", dateTo);
    if (v.data_source) params.set("data_source", v.data_source);

    window.location.href = `/api/test-data/export?${params}`;
}

// ─── 初始加载 ────────────────────────────────────

renderHead();
searchData(1);