import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'

type Params = { params: Promise<{ id: string }> }

// GET /api/businesses/[id]
export async function GET(
  _request: NextRequest, 
  context: { params: Promise<{ id: string }> }
): Promise<Response> {
    try {
        const { id } = await context.params
        const business = await prisma.business.findFirst({
            where: {
                OR: [
                    { id: id },
                    { slug: id }
                ]
            },
            include: { owner: true, offers: true },
        })
        if (!business) return NextResponse.json({ error: 'Non trouvé' }, { status: 404 })
        return NextResponse.json(business)
    } catch (error) {
        console.error('GET /api/businesses/[id] error:', error)
        return NextResponse.json({ error: 'Erreur serveur' }, { status: 500 })
    }
}

// PATCH /api/businesses/[id]
export async function PATCH(
  request: NextRequest, 
  context: { params: Promise<{ id: string }> }
): Promise<Response> {
    try {
        const { id } = await context.params
        const body = await request.json()
        const business = await prisma.business.update({
            where: { id },
            data: body,
            include: { owner: true, offers: true },
        })
        return NextResponse.json(business)
    } catch (error) {
        console.error('PATCH /api/businesses/[id] error:', error)
        return NextResponse.json({ error: 'Erreur lors de la mise à jour' }, { status: 500 })
    }
}

// DELETE /api/businesses/[id]
export async function DELETE(
  request: NextRequest, 
  context: { params: Promise<{ id: string }> }
): Promise<Response> {
    try {
        const { id } = await context.params
        const headerUserId = request.headers.get('x-user-id')

        // 1. Find business to check owner
        const business = await prisma.business.findUnique({
            where: { id },
            select: { ownerId: true }
        })

        if (!business) {
            return NextResponse.json({ error: 'Boutique non trouvée' }, { status: 404 })
        }

        // 2. Auth check (Owner or Admin)
        const user = headerUserId ? await prisma.user.findUnique({ where: { id: headerUserId } }) : null
        const isAdmin = user?.role === 'ADMIN'
        const isOwner = business.ownerId === headerUserId

        if (!isOwner && !isAdmin) {
            return NextResponse.json({ error: 'Non autorisé' }, { status: 403 })
        }

        // 3. Delete business
        await prisma.business.delete({ where: { id } })

        // 4. Update user role if they don't have other businesses
        if (headerUserId && !isAdmin) {
            const otherBusinesses = await prisma.business.findFirst({
                where: { ownerId: headerUserId }
            })
            if (!otherBusinesses) {
                await prisma.user.update({
                    where: { id: headerUserId },
                    data: { role: 'VISITOR' }
                })
            }
        }

        return NextResponse.json({ success: true })
    } catch (error) {
        console.error('DELETE /api/businesses/[id] error:', error)
        return NextResponse.json({ error: 'Erreur lors de la suppression' }, { status: 500 })
    }
}