import { apiDelete, apiGet, apiPost, compactApiParams } from "@/services/api/request";
import type { Prompt, PromptListResponse } from "@/services/api/prompts";
import { buildApiUrl } from "@/lib/ai-config";
import axios from "axios";

export type AdminPromptCategory = {
  category: string;
  name: string;
  description: string;
  file: string;
  githubUrl: string;
  remote: boolean;
};

export async function fetchAdminPromptCategories(token: string) {
  return apiGet<AdminPromptCategory[]>("/api/admin/prompt-categories", undefined, token);
}

export async function syncAdminPromptCategory(token: string, category: string) {
  return apiPost<AdminPromptCategory[]>("/api/admin/prompt-categories/sync", { category }, token);
}

export type AdminPromptQuery = {
  keyword?: string;
  category?: string;
  tag?: string[];
  page?: number;
  pageSize?: number;
};

export type AdminAsset = {
  id: string;
  title: string;
  type: "text" | "image" | "video";
  coverUrl: string;
  tags: string[];
  category: string;
  description: string;
  content: string;
  url: string;
  createdAt: string;
  updatedAt: string;
};

export type AdminAssetListResponse = {
  items: AdminAsset[];
  tags: string[];
  total: number;
};

export async function fetchAdminPrompts(token: string, query: AdminPromptQuery = {}) {
  return apiGet<PromptListResponse>("/api/admin/prompts", compactApiParams(query), token);
}

export async function saveAdminPrompt(token: string, prompt: Partial<Prompt>) {
  return apiPost<Prompt>("/api/admin/prompts", prompt, token);
}

export async function deleteAdminPrompt(token: string, id: string) {
  return apiDelete<boolean>(`/api/admin/prompts/${encodeURIComponent(id)}`, token);
}

export type AdminAssetQuery = {
  keyword?: string;
  type?: string;
  tag?: string[];
  page?: number;
  pageSize?: number;
};

export async function fetchAdminAssets(token: string, query: AdminAssetQuery = {}) {
  return apiGet<AdminAssetListResponse>(
    "/api/admin/assets",
    compactApiParams(query),
    token,
  );
}

export async function saveAdminAsset(token: string, asset: Partial<AdminAsset>) {
  return apiPost<AdminAsset>("/api/admin/assets", asset, token);
}

export async function deleteAdminAsset(token: string, id: string) {
  return apiDelete<boolean>(`/api/admin/assets/${encodeURIComponent(id)}`, token);
}

export type AdminModelChannel = {
  protocol: "openai";
  name: string;
  baseUrl: string;
  apiKey: string;
  models: string[];
  weight: number;
  enabled: boolean;
  remark: string;
};

export type AdminPublicSettings = {
  availableModels: string[];
  defaultModel: string;
  defaultImageModel: string;
  defaultTextModel: string;
  systemPrompt: string;
  allowCustomChannel: boolean;
};

export type AdminPrivateSettings = {
  channels: AdminModelChannel[];
};

export type AdminSettings = {
  public: AdminPublicSettings;
  private: AdminPrivateSettings;
};

export async function fetchAdminSettings(token: string) {
  return apiGet<AdminSettings>("/api/admin/settings", undefined, token);
}

export async function saveAdminSettings(token: string, settings: AdminSettings) {
  return apiPost<AdminSettings>("/api/admin/settings", settings, token);
}

export async function fetchChannelModels(channel: Pick<AdminModelChannel, "baseUrl" | "apiKey">) {
  try {
    const response = await axios.get<{ data?: Array<{ id?: string }>; error?: { message?: string } }>(buildApiUrl(channel.baseUrl, "/models"), {
      headers: { Authorization: `Bearer ${channel.apiKey}` },
    });
    return (response.data.data || [])
      .map((item) => item.id)
      .filter((id): id is string => Boolean(id))
      .sort((a, b) => a.localeCompare(b));
  } catch (error) {
    throw new Error(readChannelError(error, "读取模型失败"));
  }
}

export async function testChannelModel(channel: Pick<AdminModelChannel, "baseUrl" | "apiKey">, model: string) {
  try {
    const response = await axios.post<{ choices?: Array<{ message?: { content?: string } }>; error?: { message?: string } }>(
      buildApiUrl(channel.baseUrl, "/chat/completions"),
      { model, messages: [{ role: "user", content: "hi" }] },
      { headers: { Authorization: `Bearer ${channel.apiKey}`, "Content-Type": "application/json" } },
    );
    return response.data.choices?.[0]?.message?.content || "ok";
  } catch (error) {
    throw new Error(readChannelError(error, "测试失败"));
  }
}

function readChannelError(error: unknown, fallback: string) {
  if (axios.isAxiosError<{ error?: { message?: string } }>(error)) {
    return error.response?.data?.error?.message || (error.response?.status ? `${fallback}：${error.response.status}` : fallback);
  }
  return error instanceof Error ? error.message : fallback;
}