import { BaseHttpClient } from './BaseHttpClient';
import {
  ApiRespMarketplacePluginDetail,
  ApiRespMarketplacePlugins,
} from '@/app/infra/entities/api';
import { PluginV4 } from '@/app/infra/entities/plugin';
import { I18nObject } from '@/app/infra/entities/common';

/**
 * 云服务客户端
 * 负责与 cloud service 的所有交互
 */
export class CloudServiceClient extends BaseHttpClient {
  constructor(baseURL: string = '') {
    // cloud service 不需要 token 认证
    super(baseURL, true);
  }

  public getMarketplacePlugins(
    page: number,
    page_size: number,
    sort_by?: string,
    sort_order?: string,
  ): Promise<ApiRespMarketplacePlugins> {
    return this.get<ApiRespMarketplacePlugins>('/api/v1/marketplace/plugins', {
      page,
      page_size,
      sort_by,
      sort_order,
    });
  }

  public searchMarketplacePlugins(
    query: string,
    page: number,
    page_size: number,
    sort_by?: string,
    sort_order?: string,
    component_filter?: string,
    tags_filter?: string[],
    type_filter?: string,
  ): Promise<ApiRespMarketplacePlugins> {
    // Use different endpoints based on type_filter
    if (type_filter === 'mcp') {
      return this.post<{ mcps: PluginV4[]; total: number }>(
        '/api/v1/marketplace/mcps/search',
        {
          query,
          page,
          page_size,
          sort_by,
          sort_order,
          tags_filter,
        },
      ).then((resp) => ({
        plugins: (resp?.mcps || []).map((mcp) => ({
          ...mcp,
          plugin_id: mcp.mcp_id || mcp.plugin_id,
          type: 'mcp' as const,
        })),
        total: resp?.total || 0,
      }));
    } else if (type_filter === 'skill') {
      return this.post<{ skills: PluginV4[]; total: number }>(
        '/api/v1/marketplace/skills/search',
        {
          query,
          page,
          page_size,
          sort_by,
          sort_order,
          tags_filter,
        },
      ).then((resp) => ({
        plugins: (resp?.skills || []).map((skill) => ({
          ...skill,
          plugin_id: skill.skill_id || skill.plugin_id,
          type: 'skill' as const,
        })),
        total: resp?.total || 0,
      }));
    }

    return this.post<ApiRespMarketplacePlugins>(
      '/api/v1/marketplace/plugins/search',
      {
        query,
        page,
        page_size,
        sort_by,
        sort_order,
        component_filter,
        tags_filter,
        type_filter,
      },
    );
  }

  public searchMarketplaceExtensions(data: {
    query?: string;
    page: number;
    page_size: number;
    sort_by?: string;
    sort_order?: string;
    type_filter?: string;
    component_filter?: string;
    tags_filter?: string[];
  }): Promise<ApiRespMarketplacePlugins> {
    return this.post<{ extensions: PluginV4[]; total: number }>(
      '/api/v1/marketplace/extensions/search',
      data,
    )
      .then((resp) => ({
        plugins: resp?.extensions || [],
        total: resp?.total || 0,
      }))
      .catch(() => this.searchMarketplaceExtensionsLegacy(data));
  }

  private async searchMarketplaceExtensionsLegacy(data: {
    query?: string;
    page: number;
    page_size: number;
    sort_by?: string;
    sort_order?: string;
    type_filter?: string;
    component_filter?: string;
    tags_filter?: string[];
  }): Promise<ApiRespMarketplacePlugins> {
    const query = data.query || '';

    if (
      data.type_filter === 'plugin' ||
      data.type_filter === 'mcp' ||
      data.type_filter === 'skill' ||
      data.component_filter
    ) {
      return this.searchMarketplacePlugins(
        query,
        data.page,
        data.page_size,
        data.sort_by,
        data.sort_order,
        data.component_filter,
        data.tags_filter,
        data.component_filter ? 'plugin' : data.type_filter,
      ).catch((error) => {
        if (data.type_filter === 'mcp' || data.type_filter === 'skill') {
          return { plugins: [], total: 0 };
        }
        throw error;
      });
    }

    const [pluginsResp, mcpsResp, skillsResp] = await Promise.all([
      this.searchMarketplacePlugins(
        query,
        data.page,
        data.page_size,
        data.sort_by,
        data.sort_order,
        undefined,
        data.tags_filter,
        'plugin',
      ).catch(() => ({ plugins: [], total: 0 })),
      this.searchMarketplacePlugins(
        query,
        data.page,
        data.page_size,
        data.sort_by,
        data.sort_order,
        undefined,
        data.tags_filter,
        'mcp',
      ).catch(() => ({ plugins: [], total: 0 })),
      this.searchMarketplacePlugins(
        query,
        data.page,
        data.page_size,
        data.sort_by,
        data.sort_order,
        undefined,
        data.tags_filter,
        'skill',
      ).catch(() => ({ plugins: [], total: 0 })),
    ]);

    return {
      plugins: [
        ...(pluginsResp.plugins || []),
        ...(mcpsResp.plugins || []),
        ...(skillsResp.plugins || []),
      ],
      total:
        (pluginsResp.total || 0) +
        (mcpsResp.total || 0) +
        (skillsResp.total || 0),
    };
  }

  public getPluginDetail(
    author: string,
    pluginName: string,
  ): Promise<ApiRespMarketplacePluginDetail> {
    return this.get<ApiRespMarketplacePluginDetail>(
      `/api/v1/marketplace/plugins/${author}/${pluginName}`,
    );
  }

  public getMCPDetail(
    author: string,
    name: string,
  ): Promise<{ mcp: PluginV4 }> {
    return this.get<{ mcp: PluginV4 }>(
      `/api/v1/marketplace/mcps/${author}/${name}`,
    );
  }

  public getSkillDetail(
    author: string,
    name: string,
  ): Promise<{ skill: PluginV4 }> {
    return this.get<{ skill: PluginV4 }>(
      `/api/v1/marketplace/skills/${author}/${name}`,
    );
  }

  /**
   * Resolve the marketplace ``icon`` field for an extension by author/name/type.
   * Used when the icon is not already known locally (e.g. an install confirm
   * dialog opened from a URL query param carries no icon). Returns the raw
   * ``icon`` value from the marketplace record (often an absolute external URL),
   * or an empty string if it cannot be fetched.
   */
  public async fetchMarketplaceIcon(
    type: 'plugin' | 'mcp' | 'skill' | undefined,
    author: string,
    name: string,
  ): Promise<string> {
    try {
      if (type === 'mcp') {
        const resp = await this.getMCPDetail(author, name);
        return resp?.mcp?.icon || '';
      }
      if (type === 'skill') {
        const resp = await this.getSkillDetail(author, name);
        return resp?.skill?.icon || '';
      }
      const resp = await this.getPluginDetail(author, name);
      return resp?.plugin?.icon || '';
    } catch {
      return '';
    }
  }

  public getPluginREADME(
    author: string,
    pluginName: string,
    language?: string,
  ): Promise<{ readme: string }> {
    return this.get<{ readme: string }>(
      `/api/v1/marketplace/plugins/${author}/${pluginName}/resources/README`,
      language ? { language } : undefined,
    );
  }

  public getPluginIconURL(author: string, name: string): string {
    return `${this.baseURL}/api/v1/marketplace/plugins/${author}/${name}/resources/icon`;
  }

  public getMCPMarketplaceIconURL(author: string, name: string): string {
    return `${this.baseURL}/api/v1/marketplace/mcps/${author}/${name}/resources/icon`;
  }

  public getSkillMarketplaceIconURL(author: string, name: string): string {
    return `${this.baseURL}/api/v1/marketplace/skills/${author}/${name}/resources/icon`;
  }

  /**
   * Resolve the best icon URL for a marketplace extension.
   *
   * Many MCP / skill records store their ``icon`` as an absolute external URL
   * (e.g. simpleicons.org / iconify.design logos) rather than a file uploaded
   * to Space storage. For those, the ``/resources/icon`` endpoint 404s, so we
   * must use the external URL directly. Records whose ``icon`` is empty or a
   * relative path fall back to the ``/resources/icon`` endpoint (real uploads).
   */
  public resolveMarketplaceIconURL(
    type: 'plugin' | 'mcp' | 'skill' | undefined,
    author: string,
    name: string,
    icon?: string,
  ): string {
    if (icon && /^https?:\/\//i.test(icon)) {
      return icon;
    }
    if (type === 'mcp') return this.getMCPMarketplaceIconURL(author, name);
    if (type === 'skill') return this.getSkillMarketplaceIconURL(author, name);
    return this.getPluginIconURL(author, name);
  }

  public getPluginAssetURL(
    author: string,
    pluginName: string,
    filepath: string,
  ): string {
    return `${this.baseURL}/api/v1/marketplace/plugins/${author}/${pluginName}/resources/assets/${filepath}`;
  }

  public getPluginMarketplaceURL(
    cloud_service_url: string,
    author: string,
    name: string,
  ): string {
    return `${cloud_service_url}/market/${author}/${name}`;
  }

  public getLangBotReleases(): Promise<GitHubRelease[]> {
    return this.get<GitHubRelease[]>('/api/v1/dist/info/releases');
  }

  public getGitHubRepoInfo(): Promise<GitHubRepoInfo> {
    return this.get<GitHubRepoInfo>('/api/v1/dist/info/repo');
  }

  public getAllTags(): Promise<{ tags: PluginTag[] }> {
    return this.get<{ tags: PluginTag[] }>('/api/v1/marketplace/tags');
  }

  public getRecommendationLists(): Promise<{ lists: RecommendationList[] }> {
    return this.get<{ lists: RecommendationList[] }>(
      '/api/v1/marketplace/recommendation-lists',
    );
  }
}

export interface RecommendationList {
  uuid: string;
  label: I18nObject;
  sort_order: number;
  plugins: PluginV4[];
}

export interface PluginTag {
  tag: string;
  display_name: {
    zh_Hans?: string;
    en_US?: string;
    zh_Hant?: string;
    ja_JP?: string;
  };
}

export interface GitHubRelease {
  tag_name: string;
  name: string;
  body: string;
  html_url: string;
  published_at: string;
  prerelease: boolean;
  draft: boolean;
}

export interface GitHubRepoInfo {
  repo: {
    stargazers_count: number;
    forks_count: number;
    open_issues_count: number;
    [key: string]: unknown;
  };
  contributors: unknown[];
}