import {api, el, button, link, badge, note, empty, loading, field, input, textarea, select, heading, kv, errorBox, toast, dialog, date, enc, scriptUrl} from './ui.js';
import {parseArgs, parseLines, requestId} from './core.js';
import {runTable} from './runs.js';
import {relatedFiles} from './related-files.js';
import {isNative, maxTimeout, nativeParameterForm, nativeScriptInfo, preflightNativeRun} from './native-ui.js';

const pendingRuns = new Map();
function pendingRequest(id) {
  if (pendingRuns.has(id)) return pendingRuns.get(id);
  let value;
  try { value = sessionStorage.getItem(`xas.pending-run.${id}`); } catch { /* Private browser settings can disable storage. */ }
  if (!value || !/^[0-9a-f-]{36}$/.test(value)) value = requestId();
  pendingRuns.set(id, value);
  try { sessionStorage.setItem(`xas.pending-run.${id}`, value); } catch { /* The in-memory request still supports safe retry. */ }
  return value;
}
function clearRequest(id) {
  pendingRuns.delete(id);
  try { sessionStorage.removeItem(`xas.pending-run.${id}`); } catch { /* Storage may be unavailable. */ }
}
const scriptState = script => !script.enabled && script.status === 'ready' ? 'disabled' : script.status;
const scriptBadge = script => badge(scriptState(script), scriptState(script) === 'disabled' ? '未启用' : undefined);
const sourceLabel = script => script.kind === 'managed' ? '托管脚本' : '外部原文件';
const profileLabel = script => isNative(script) ? '服务器原环境' : script.config.profile === 'legacy_smoke' ? '旧版 Smoke 兼容环境' : '标准运行环境';
const typeLabel = script => script.category === 'example' ? '验收示例' : script.test_kind === 'suite' ? '测试套件' : '单项测试';
const groupLabels = new Map([
  ['uploaded', '上传的脚本'], ['company-gpu-suite', '公司 GPU 测试套件'],
  ['dsv41-trial-20261010', 'DeepSeek 试验脚本（10/10）'], ['model-trials-20261011', '模型试验脚本（10/11）']
]);

export async function scriptList(ctx) {
  ctx.show(heading('测试项目', '按实际测试行为管理，一项对应一次完整测试。'), loading());
  try {
    const {items} = await api('/api/scripts?include_examples=true', {}, ctx.signal);
    if (!ctx.alive) return;
    const search = input({type: 'search', placeholder: '搜索测试名称、用途或入口', 'aria-label': '搜索测试'});
    const group = select('来源目录', [['', '全部来源'], ...Array.from(new Set(items.map(item => item.source_group || '未分组'))).sort().map(name => [name, groupLabels.get(name) || name])]);
    const status = select('脚本状态', [['', '全部状态'], ['ready', '可运行'], ['needs_configuration', '待配置'], ['missing', '源文件缺失'], ['disabled', '未启用']]);
    const kind = select('测试类型', [['', '全部类型'], ['suite', '测试套件'], ['test', '单项测试']]);
    const purpose = select('项目用途', [['test', '业务测试'], ['example', '验收示例'], ['', '全部项目']], 'test');
    const results = el('div');
    const count = el('span', {class: 'muted', role: 'status'});
    const discover = button('↻ 刷新来源', async () => {
      discover.disabled = true;
      try {
        const result = await api('/api/discover', {method: 'POST'}, ctx.signal);
        if (ctx.alive) {
          toast(`目录已刷新：${result.tests} 项测试。内部文件更新不会自动新增测试项目。`);
          await scriptList(ctx);
        }
      } catch (error) { if (ctx.alive) { toast(error.message); discover.disabled = false; } }
    });
    ctx.show(heading('测试项目', '一项对应一次测试；套件内部的多个脚本统一在详情中查看。', [discover, button('＋ 新增测试', () => uploadDialog(ctx), 'primary')]),
      el('div', {class: 'filters'}, el('div', {class: 'search'}, search), purpose, kind, status, group),
      el('div', {class: 'section-title'}, el('span', {class: 'muted'}, '按测试行为组织 · 验收示例默认隐藏'), count), results);
    const render = () => {
      const term = search.value.trim().toLowerCase();
      const filtered = items.filter(item => (!group.value || (item.source_group || '未分组') === group.value)
        && (!status.value || scriptState(item) === status.value) && (!kind.value || item.test_kind === kind.value)
        && (!purpose.value || item.category === purpose.value)
        && (!term || [item.name, item.description, item.source_path].some(value => (value || '').toLowerCase().includes(term))));
      count.textContent = `${filtered.length} 项测试`;
      results.replaceChildren();
      if (!filtered.length) { results.append(empty(items.length ? '没有匹配的测试项目' : '从第一个测试开始', items.length ? '调整关键词或筛选条件。' : '上传一个测试的入口脚本，创建测试项目。')); return; }
      const groups = new Map();
      for (const item of filtered) {
        const name = item.category === 'example' ? '控制台验收示例' : item.test_kind === 'suite' ? '测试套件' : '单项测试';
        if (!groups.has(name)) groups.set(name, []);
        groups.get(name).push(item);
      }
      for (const [name, scripts] of groups) results.append(el('section', {},
        el('div', {class: 'section-title'}, el('h2', {}, name, el('span', {class: 'count'}, `${scripts.length} 项`))),
        el('div', {class: 'catalog-grid'}, scripts.map(scriptCard))));
    };
    [search, group, status, kind, purpose].forEach(control => control.addEventListener('input', render));
    render();
  } catch (error) { if (ctx.alive) ctx.show(heading('测试项目', '查看、配置与运行测试。'), errorBox(error, () => scriptList(ctx))); }
}

function scriptCard(script) {
  return el('a', {class: 'script-card', href: `#/scripts/${enc(script.id)}`, 'aria-label': script.name},
    el('div', {class: 'card-top'}, el('span', {class: `language ${script.language}`}, typeLabel(script)), scriptBadge(script)),
    el('h3', {}, script.name),
    el('p', {class: 'script-description'}, script.description || '尚未填写说明。'),
    el('p', {class: 'card-source', title: script.source_path}, script.source_path),
    script.reason ? el('p', {class: 'card-reason'}, script.reason) : null,
    el('div', {class: 'card-bottom'}, el('span', {}, `${script.file_count} 个相关文件 · v${script.version}`), el('span', {class: 'button detail-link'}, '查看项目详情 →')));
}

function uploadDialog(ctx, script) {
  const file = input({type: 'file', accept: '.py,.sh', required: '', name: 'file'});
  const name = input({name: 'name', required: '', maxlength: 120, placeholder: '例如：模型接口连通性检查'});
  const description = textarea({name: 'description', placeholder: '说明测试目标、运行条件和输出结果'});
  const feedback = el('div', {'aria-live': 'polite'});
  const submit = el('button', {class: 'button primary', type: 'submit'}, script ? '上传新版本' : '创建脚本');
  const form = el('form', {}, note(script ? '新版本单独保存，不覆盖历史源码。后续运行使用最新版本，已有运行记录保持原版本。' : '支持 Python 和 Shell。脚本代码只读；后续修改请上传新版本。'),
    field('脚本文件', file, '选择 .py 或 .sh 文件。'),
    script ? null : field('脚本名称', name), script ? null : field('说明', description), feedback,
    el('div', {class: 'form-footer'}, submit));
  const panel = dialog(script ? `上传新版本 · ${script.name}` : '上传新脚本', form);
  form.addEventListener('submit', async event => {
    event.preventDefault();
    if (submit.disabled || !form.reportValidity()) return;
    const data = new FormData(form);
    submit.disabled = true;
    submit.textContent = '正在上传…';
    feedback.replaceChildren();
    try {
      const saved = await api(script ? `${scriptUrl(script.id)}/versions` : '/api/scripts/upload', {method: 'POST', body: data}, ctx.signal);
      if (!ctx.alive) return;
      panel.close();
      toast(script ? '新版本已保存。' : '脚本已创建。');
      if (location.hash === `#/scripts/${enc(saved.id)}`) await scriptDetail(ctx, saved.id);
      else location.hash = `/scripts/${enc(saved.id)}`;
    } catch (error) {
      if (ctx.alive) feedback.replaceChildren(errorBox(error), note('如果连接中断，请先关闭窗口并刷新脚本库，核对是否已保存，再决定重新上传。'));
    } finally { submit.disabled = false; submit.textContent = script ? '上传新版本' : '创建脚本'; }
  });
}

export async function scriptDetail(ctx, id) {
  const navigation = () => el('div', {class: 'detail-navigation'}, link('← 返回测试项目', '#/scripts', 'button back-button'));
  ctx.show(navigation(), loading('正在读取脚本与版本…'));
  try {
    const script = await api(scriptUrl(id), {}, ctx.signal);
    if (!ctx.alive) return;
    if (!script.is_test) {
      const source = el('section', {class: 'panel'});
      ctx.show(navigation(), heading(script.name, '这是测试内部的源码文件。'), note('请从测试项目的执行入口配置和运行。'), source);
      sourcePanel(ctx, source, script);
      return;
    }
    let dirty = false;
    const feedback = el('div', {'aria-live': 'polite'});
    const start = button('▶ 开始运行', async () => {
      if (start.disabled) return;
      start.disabled = true;
      start.textContent = '正在提交…';
      feedback.replaceChildren();
      let prepared;
      try {
        if (isNative(script)) {
          start.textContent = '正在预检…';
          prepared = await preflightNativeRun(ctx, script);
          if (!prepared || !ctx.alive || dirty) return;
          start.textContent = '正在提交…';
        }
        const run = await api(`${scriptUrl(id)}/runs`, {method: 'POST', body: {request_id: pendingRequest(id), ...prepared?.payload}}, ctx.signal);
        clearRequest(id);
        if (ctx.alive) location.hash = `/runs/${enc(run.id)}`;
      } catch (error) {
        if (ctx.alive) feedback.replaceChildren(errorBox(error), note(isNative(script)
          ? '再次点击会重新预检并重新确认影响，同时复用本次请求编号核对原记录，避免重复排队。'
          : '再次点击会复用本次请求编号，核对原运行记录，避免重复排队。'));
      } finally {
        prepared?.close();
        if (ctx.alive) { start.disabled = dirty || !script.enabled || script.status !== 'ready'; start.textContent = '▶ 开始运行'; }
      }
    }, 'primary');
    start.disabled = !script.enabled || script.status !== 'ready';
    const actions = [link('运行记录', `#/runs?script_id=${enc(id)}`, 'button')];
    if (script.kind === 'managed') actions.push(button('上传新版本', () => uploadDialog(ctx, script)));
    actions.push(start);
    const source = el('section', {class: 'panel'});
    const history = el('section', {class: 'panel'}, el('div', {class: 'panel-header'}, el('h2', {}, '近期运行')), loading());
    ctx.show(navigation(), el('div', {class: 'breadcrumbs'}, link('测试项目', '#/scripts'), ' / ', script.name),
      heading(script.name, script.description || '查看源代码、配置参数并开始一次独立运行。', actions),
      feedback,
      script.reason ? note(script.reason, script.status === 'missing' ? 'danger' : '') : null,
      !script.enabled ? note('当前脚本未启用。确认运行参数和环境要求后，在配置中启用并保存。') : null,
      nativeScriptInfo(script),
      el('div', {class: 'detail-grid'}, source, configForm(ctx, script, () => {
        dirty = true;
        start.disabled = true;
        start.title = '请先保存修改后的运行配置。';
      })),
      relatedFiles(ctx, script), el('div', {class: 'section-title'}, el('h2', {}, '执行记录')), history);
    sourcePanel(ctx, source, script);
    const loadHistory = async () => {
      try {
        const {items} = await api(`/api/runs?script_id=${enc(id)}&limit=10`, {}, ctx.signal);
        if (ctx.alive) history.replaceChildren(items.length ? runTable(items) : empty('还没有运行记录', '首次运行后，可在这里回看状态、日志和结果文件。'));
      } catch (error) { if (ctx.alive) history.replaceChildren(errorBox(error, loadHistory)); }
    };
    await loadHistory();
  } catch (error) { if (ctx.alive) ctx.show(navigation(), heading('脚本详情', '读取脚本信息失败。'), errorBox(error, () => scriptDetail(ctx, id))); }
}

function sourcePanel(ctx, target, script) {
  const versions = script.versions?.length ? script.versions : [{version: script.version}];
  const version = select('查看源码版本', versions.map(item => [item.version, `版本 ${item.version}${String(item.version) === String(script.version) ? ' · 当前' : ''}`]), script.version);
  const download = link('下载源码', '', 'button small');
  const code = el('pre', {class: 'code', tabindex: '0', 'aria-label': '脚本源代码，只读'}, '正在读取源码…');
  const info = el('div', {class: 'source-info mono'});
  const feedback = el('div');
  target.append(el('div', {class: 'panel-header'}, el('h2', {}, script.is_test ? '执行入口（代码只读）' : '内部源码（只读）'), scriptBadge(script)),
    kv([['来源类型', sourceLabel(script)], ['源文件', script.source_path], ['运行环境', profileLabel(script)], ['更新时间', date(script.updated_at)]]),
    el('div', {class: 'source-header'}, version, download), info, feedback, code,
    el('p', {class: 'source-info'}, '代码只读。查看历史版本不改变运行版本；“开始运行”使用当前已保存版本与配置。'));
  let generation = 0;
  const load = async () => {
    const ticket = ++generation;
    code.textContent = '正在读取源码…';
    download.hidden = true;
    info.textContent = '';
    feedback.replaceChildren();
    try {
      const data = await api(`${scriptUrl(script.id)}/code?version=${enc(version.value)}`, {}, ctx.signal);
      if (!ctx.alive || ticket !== generation) return;
      code.textContent = data.code || '（空文件）';
      info.textContent = `${data.filename} · v${version.value}\nSHA-256 ${data.sha256}`;
      download.href = `${scriptUrl(script.id)}/download?version=${enc(version.value)}`;
      download.hidden = Boolean(data.redacted);
      if (data.redacted) feedback.append(note('源码中包含敏感内容，预览已脱敏，下载不可用。'));
      if (data.truncated) feedback.append(note(data.redacted ? '文件较大，当前仅显示部分已脱敏源码。' : '文件较大，当前仅显示部分源码。可下载完整文件。'));
    } catch (error) {
      if (ctx.alive && ticket === generation) { code.textContent = ''; feedback.replaceChildren(errorBox(error, load)); }
    }
  };
  version.addEventListener('change', load);
  load();
}

function configForm(ctx, script, onDirty) {
  const config = script.config;
  const native = isNative(script);
  const limit = maxTimeout(script);
  const parameters = native ? nativeParameterForm(script) : null;
  const name = input({value: script.name, required: '', maxlength: 120});
  const description = textarea({value: script.description || ''});
  const args = textarea({value: JSON.stringify(config.args, null, 2), rows: 4, class: 'input mono', spellcheck: 'false'});
  const cwd = input({value: native ? script.execution.cwd || config.cwd || '' : config.cwd || '', placeholder: script.kind === 'managed' ? '留空：使用本次运行目录' : '原脚本工作目录'});
  const outputs = textarea({value: (config.output_paths || []).join('\n'), class: 'input mono', spellcheck: 'false', placeholder: '每行一个日志或结果路径'});
  if (native) [args, cwd, outputs].forEach(control => control.setAttribute('readonly', ''));
  const timeout = input({type: 'number', value: config.timeout_seconds, required: '', min: '5', max: String(limit), step: '1'});
  const enabled = input({type: 'checkbox', checked: script.enabled});
  const feedback = el('div', {'aria-live': 'polite'});
  const submit = el('button', {type: 'submit', class: 'button primary'}, '保存配置');
  const form = el('form', {class: 'panel'}, el('div', {class: 'panel-header'}, el('h2', {}, '运行配置')),
    field('脚本名称', name), field('说明', description), parameters?.node,
    field(native ? '原入口参数（只读）' : '参数', args, native ? '参数由原环境方案计算；可调整的选项在上方填写，实际命令以本次预检为准。' : 'JSON 字符串数组，或每行一个参数；不会交给 shell 拼接。'),
    field(native ? '原工作目录（只读）' : '工作目录', cwd, native ? '固定使用登记的原目录。' : script.kind === 'managed' ? '托管脚本留空。可通过 XAS_RUN_DIR 获取本次结果目录。' : '必须位于已登记的来源目录内。'),
    field(native ? '原输出规则（只读）' : '归档输出路径', outputs, native ? '由固定方案管理；运行前预检显示本次输出规则，保留原脚本的输出行为。' : script.kind === 'managed' ? '托管脚本留空；本次结果目录统一归档，.log 文件的新增内容进入实时日志。' : '登记该来源 logs/ 或 results/ 内已存在的文件或目录，每行一项。.log 新增内容进入实时日志，其他结果结束后归档。'),
    field('超时时间（秒）', timeout, `填写 5–${limit} 秒之间的整数。${native ? '原环境方案最长支持 72 小时。' : ''}`), el('label', {class: 'checkbox'}, enabled, '启用此脚本'),
    native ? note('复用原账号、解释器、目录与已有配置，不修改原项目文件。实际运行按原脚本逻辑产生输出与影响。')
      : note(`${profileLabel(script)}。提供 Python 标准库、Bash 和 curl；额外依赖不会自动安装。`),
    !native && script.config.profile === 'legacy_smoke' ? note('兼容配置由服务端管理，只读。代理请求有固定上限，不能在此调整服务或模型。', 'info') : null,
    feedback, el('div', {class: 'form-footer'}, submit));
  form.addEventListener('input', () => {
    onDirty();
    feedback.replaceChildren(note('配置有未保存的修改。保存后才能开始运行。'));
  });
  form.addEventListener('submit', async event => {
    event.preventDefault();
    if (submit.disabled || !form.reportValidity()) return;
    feedback.replaceChildren();
    let payload;
    try {
      const seconds = Number(timeout.value);
      if (!Number.isSafeInteger(seconds) || seconds < 5 || seconds > limit) throw new Error(`超时时间必须是 5–${limit} 秒之间的整数。`);
      if (!name.value.trim()) throw new Error('请填写脚本名称。');
      payload = {name: name.value.trim(), description: description.value, enabled: enabled.checked,
        config: native ? {native_options: parameters.read(), timeout_seconds: seconds}
          : {args: parseArgs(args.value), cwd: cwd.value.trim(), output_paths: parseLines(outputs.value), timeout_seconds: seconds}};
    } catch (error) { feedback.replaceChildren(errorBox(error)); return; }
    submit.disabled = true;
    submit.textContent = '正在保存…';
    try {
      await api(scriptUrl(script.id), {method: 'PATCH', body: payload}, ctx.signal);
      if (ctx.alive) { toast('配置已保存，后续运行将使用新配置。'); await scriptDetail(ctx, script.id); }
    } catch (error) { if (ctx.alive) feedback.replaceChildren(errorBox(error)); }
    finally { submit.disabled = false; submit.textContent = '保存配置'; }
  });
  return form;
}