/**
 * Web implementation of ArtifactsService (minimal stub)
 *
 * This is a minimal implementation for browser mode.
 * Most functionality requires Tauri backend.
 */

import type {
  Artifact,
  ArtifactIndex,
  ArtifactCreate,
  DiffPreview,
  ImportResult,
} from '@janhq/core'
import type { ArtifactsService } from './types'

export class WebArtifactsService implements ArtifactsService {
  private notImplemented(method: string): never {
    throw new Error(`${method} is not implemented in web mode. Use Tauri app for full artifacts support.`)
  }

  async listArtifacts(_threadId: string): Promise<ArtifactIndex> {
    return {
      schema_version: 1,
      artifacts: [],
      active_artifact_id: null,
      history_keep: {
        max_entries: 50,
        max_days: 30,
      },
    }
  }

  async createArtifact(_threadId: string, _data: ArtifactCreate): Promise<Artifact> {
    return this.notImplemented('createArtifact')
  }

  async getArtifactContent(_threadId: string, _artifactId: string): Promise<string> {
    return this.notImplemented('getArtifactContent')
  }

  async updateArtifact(
    _threadId: string,
    _artifactId: string,
    _content: string,
    _version: number,
    _hash: string
  ): Promise<Artifact> {
    return this.notImplemented('updateArtifact')
  }

  async deleteArtifact(_threadId: string, _artifactId: string): Promise<void> {
    return this.notImplemented('deleteArtifact')
  }

  async renameArtifact(_threadId: string, _artifactId: string, _newName: string): Promise<Artifact> {
    return this.notImplemented('renameArtifact')
  }

  async setActiveArtifact(_threadId: string, _artifactId: string | null): Promise<void> {
    // No-op in web mode
    return Promise.resolve()
  }

  async proposeUpdate(_threadId: string, _artifactId: string, _content: string): Promise<DiffPreview> {
    return {
      proposal_id: 'stub',
      artifact_id: _artifactId,
      current_version: 1,
      current_hash: '',
      proposed_hash: '',
      hunks: [],
      full_diff: '',
    }
  }

  async applyProposal(
    _threadId: string,
    _artifactId: string,
    _proposalId: string,
    _selectedHunks?: number[]
  ): Promise<Artifact> {
    return this.notImplemented('applyProposal')
  }

  async discardProposal(_threadId: string, _artifactId: string, _proposalId: string): Promise<void> {
    return Promise.resolve()
  }

  async exportArtifacts(_threadId: string, _outputPath: string): Promise<void> {
    return Promise.resolve()
  }

  async importArtifacts(_threadId: string, _archivePath: string): Promise<ImportResult> {
    return this.notImplemented('importArtifacts')
  }
}