// api.js — 控制台后端 HTTP 接口的轻量封装。

const API = {
  // 通用 JSON GET，失败时抛出带状态码的错误。
  async get(path) {
    const resp = await fetch(path);
    if (!resp.ok) {
      const detail = await API._extractError(resp);
      throw new Error(detail);
    }
    return resp.json();
  },

  // 通用 JSON POST。
  async post(path, body) {
    const resp = await fetch(path, {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(body || {}),
    });
    if (!resp.ok) {
      const detail = await API._extractError(resp);
      throw new Error(detail);
    }
    return resp.json();
  },

  // 从错误响应中尽量解析出 detail 文本。
  async _extractError(resp) {
    try {
      const data = await resp.json();
      return data.detail || `请求失败 (${resp.status})`;
    } catch (_e) {
      return `请求失败 (${resp.status})`;
    }
  },

  health() { return API.get("/api/health"); },
  runs() { return API.get("/api/runs"); },
  runDetail(runId) { return API.get(`/api/runs/${encodeURIComponent(runId)}`); },
  scenarios() { return API.get("/api/scenarios"); },
  triggerEvaluation(scenarioPath) {
    return API.post("/api/evaluations", { scenario_path: scenarioPath });
  },
  taskStatus(taskId) { return API.get(`/api/evaluations/${encodeURIComponent(taskId)}`); },

  // LLM Profile API
  profiles() { return API.get("/api/llm-profiles"); },
  createProfile(body) { return API.post("/api/llm-profiles", body); },
  updateProfile(id, body) {
    return fetch(`/api/llm-profiles/${encodeURIComponent(id)}`, {
      method: "PUT",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(body),
    }).then(async r => {
      if (!r.ok) { const d = await API._extractError(r); throw new Error(d); }
      return r.json();
    });
  },
  deleteProfile(id) {
    return fetch(`/api/llm-profiles/${encodeURIComponent(id)}`, { method: "DELETE" })
      .then(async r => {
        if (!r.ok) { const d = await API._extractError(r); throw new Error(d); }
        return r.json();
      });
  },
  applyProfiles(body) { return API.post("/api/llm-profiles/apply", body); },

  // 测试已保存 profile 的连通性
  testProfile(id) {
    return fetch(`/api/llm-profiles/${encodeURIComponent(id)}/test`, { method: "POST" })
      .then(async r => {
        if (!r.ok) { const d = await API._extractError(r); throw new Error(d); }
        return r.json();
      });
  },

  // 测试表单中填写的内联参数（保存前即可测试）
  probeConnectivity(body) { return API.post("/api/llm-profiles/probe", body); },
};