/**
 * Session IPC Handlers
 * 处理会话的 CRUD 操作
 */

import { ipcMain, IpcMainInvokeEvent } from 'electron'
import type { DatabaseService } from '../services/database-service'
import type { SessionUpdateRequest } from '../../shared/types/session.types'

// IPC channel names
export const SESSION_CHANNELS = {
  CREATE: 'session:create',
  GET_ALL: 'session:getAll',
  GET_BY_ID: 'session:getById',
  UPDATE: 'session:update',
  DELETE: 'session:delete',
} as const

export interface SessionIPCOptions {
  dbService: DatabaseService
}

export function registerSessionIPCHandlers(options: SessionIPCOptions): void {
  const { dbService } = options

  // Create session
  ipcMain.handle(SESSION_CHANNELS.CREATE, async (_event: IpcMainInvokeEvent, session) => {
    try {
      const result = dbService.createSession(session)
      return { success: true, session: result }
    } catch (error: unknown) {
      return { success: false, error: error instanceof Error ? error.message : String(error) }
    }
  })

  // Get all sessions
  ipcMain.handle(SESSION_CHANNELS.GET_ALL, async () => {
    try {
      const sessions = dbService.getAllSessions()
      return { success: true, sessions }
    } catch (error: unknown) {
      return { success: false, error: error instanceof Error ? error.message : String(error) }
    }
  })

  // Get session by ID
  ipcMain.handle(SESSION_CHANNELS.GET_BY_ID, async (_event: IpcMainInvokeEvent, id: string) => {
    try {
      const session = dbService.getSessionById(id)
      return { success: true, session }
    } catch (error: unknown) {
      return { success: false, error: error instanceof Error ? error.message : String(error) }
    }
  })

  // Update session
  ipcMain.handle(SESSION_CHANNELS.UPDATE, async (_event: IpcMainInvokeEvent, id: string, updates: SessionUpdateRequest) => {
    try {
      const result = dbService.updateSession(id, updates)
      return { success: true, session: result }
    } catch (error: unknown) {
      return { success: false, error: error instanceof Error ? error.message : String(error) }
    }
  })

  // Delete session
  ipcMain.handle(SESSION_CHANNELS.DELETE, async (_event: IpcMainInvokeEvent, id: string) => {
    try {
      dbService.deleteSession(id)
      return { success: true }
    } catch (error: unknown) {
      return { success: false, error: error instanceof Error ? error.message : String(error) }
    }
  })
}