// AT Protocol integration module

class ATProtoClient {
  constructor() {
    this.session = null;
    this.pds = "https://bsky.social";
  }

  async login(identifier, password, pdsUrl) {
    try {
      // Update PDS URL if provided
      if (pdsUrl) {
        this.pds = pdsUrl;
        await chrome.storage.local.set({ pdsUrl });
      }

      const response = await fetch(
        `${this.pds}/xrpc/com.atproto.server.createSession`,
        {
          method: "POST",
          headers: {
            "Content-Type": "application/json",
          },
          body: JSON.stringify({
            identifier,
            password,
          }),
        }
      );

      if (!response.ok) {
        throw new Error(`Login failed: ${response.statusText}`);
      }

      this.session = await response.json();

      // Store session
      await chrome.storage.local.set({ atprotoSession: this.session });

      return this.session;
    } catch (error) {
      console.error("AT Proto login error:", error);
      throw error;
    }
  }

  async loadSession() {
    const data = await chrome.storage.local.get(["atprotoSession", "pdsUrl"]);
    if (data.pdsUrl) {
      this.pds = data.pdsUrl;
    }
    if (data.atprotoSession) {
      this.session = data.atprotoSession;
      return true;
    }
    return false;
  }

  async logout() {
    this.session = null;
    await chrome.storage.local.remove("atprotoSession");
  }

  async createScrobbleRecord(trackInfo) {
    if (!this.session) {
      throw new Error("Not authenticated");
    }

    // Build the teal.fm play record
    const record = {
      $type: "fm.teal.alpha.feed.play",
      trackName: trackInfo.track,
      playedTime: new Date(trackInfo.timestamp).toISOString(),
      submissionClientAgent: "nts-teal-piper/1.0.0",
      musicServiceBaseDomain: "nts.live",
    };

    // Add MusicBrainz metadata if available
    if (trackInfo.musicbrainz) {
      const mb = trackInfo.musicbrainz;

      // Prefer MusicBrainz track name
      if (mb.trackName) record.trackName = mb.trackName;

      // Recording metadata
      if (mb.recordingMbId) record.recordingMbId = mb.recordingMbId;
      if (mb.duration) record.duration = mb.duration;

      // Artist information - use artists array if available
      if (mb.artists && mb.artists.length > 0) {
        record.artists = mb.artists;
      }

      // Release information
      if (mb.releaseName) record.releaseName = mb.releaseName;
      if (mb.releaseMbId) record.releaseMbId = mb.releaseMbId;
      if (mb.isrc) record.isrc = mb.isrc;
    }

    // Fallback: if no MusicBrainz artists, use basic artist info
    if (!record.artists && trackInfo.artist) {
      record.artists = [
        {
          artistName: trackInfo.artist,
        },
      ];
    }

    // Add optional fields
    if (trackInfo.originUrl) {
      record.originUrl = trackInfo.originUrl;
    }

    try {
      const response = await fetch(
        `${this.pds}/xrpc/com.atproto.repo.createRecord`,
        {
          method: "POST",
          headers: {
            "Content-Type": "application/json",
            Authorization: `Bearer ${this.session.accessJwt}`,
          },
          body: JSON.stringify({
            repo: this.session.did,
            collection: "fm.teal.alpha.feed.play",
            record,
          }),
        }
      );

      if (!response.ok) {
        const errorText = await response.text();
        throw new Error(
          `Failed to create record: ${response.statusText} - ${errorText}`
        );
      }

      return await response.json();
    } catch (error) {
      console.error("Error creating scrobble record:", error);
      throw error;
    }
  }

  async refreshSession() {
    if (!this.session?.refreshJwt) {
      throw new Error("No refresh token available");
    }

    try {
      const response = await fetch(
        `${this.pds}/xrpc/com.atproto.server.refreshSession`,
        {
          method: "POST",
          headers: {
            Authorization: `Bearer ${this.session.refreshJwt}`,
          },
        }
      );

      if (!response.ok) {
        throw new Error("Session refresh failed");
      }

      this.session = await response.json();
      await chrome.storage.local.set({ atprotoSession: this.session });

      return this.session;
    } catch (error) {
      console.error("Session refresh error:", error);
      throw error;
    }
  }

  isAuthenticated() {
    return !!this.session;
  }
}

// Make available to other scripts
if (typeof module !== "undefined" && module.exports) {
  module.exports = ATProtoClient;
}