import { NextRequest, NextResponse } from 'next/server';
import prisma from '@/lib/prisma';
import { getCurrentUser } from '@/lib/auth';
import type { GetRecordingResponse, GetRecordingError404, DeleteRecordingResponse, DeleteRecordingError404 } from '@/types/api-types';

export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const user = await getCurrentUser();
    if (!user) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
    }

    const { id } = await params;

    const recording = await prisma.recording.findUnique({
      where: { id },
      select: {
        id: true,
        userId: true,
        title: true,
        audioFilePath: true,
        duration: true,
        transcript: true,
        summary: true,
        isTranscribing: true,
        createdAt: true,
      }
    });

    if (!recording) {
      const error: GetRecordingError404 = { error: 'Recording not found' };
      return NextResponse.json(error, { status: 404 });
    }

    // Check ownership
    if (recording.userId !== user.id) {
      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
    }

    const response: GetRecordingResponse = {
      id: recording.id,
      title: recording.title,
      audioFilePath: recording.audioFilePath,
      duration: recording.duration,
      transcript: recording.transcript || '',
      summary: recording.summary || '',
      isTranscribing: recording.isTranscribing,
      createdAt: recording.createdAt.toISOString(),
    };

    return NextResponse.json(response, { status: 200 });
  } catch (error) {
    console.error('Get recording error:', error);
    return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
  }
}

export async function DELETE(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const user = await getCurrentUser();
    if (!user) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
    }

    const { id } = await params;

    const recording = await prisma.recording.findUnique({
      where: { id },
      select: { userId: true, audioFilePath: true }
    });

    if (!recording) {
      const error: DeleteRecordingError404 = { error: 'Recording not found' };
      return NextResponse.json(error, { status: 404 });
    }

    // Check ownership
    if (recording.userId !== user.id) {
      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
    }

    // Delete recording
    await prisma.recording.delete({
      where: { id }
    });

    // TODO: Delete audio file from MinIO/S3

    const response: DeleteRecordingResponse = {
      success: true,
    };

    return NextResponse.json(response, { status: 200 });
  } catch (error) {
    console.error('Delete recording error:', error);
    return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
  }
}