import { getUserIdFromSession } from '../../utils/auth';
import { isCropGrown } from '../../utils/village';
import { CropType, VillageObjectType } from '@prisma/client';

// --- DTOs ---
interface VillageObjectDto {
    id: number;
    type: VillageObjectType;
    x: number;
    y: number;
    cropType: CropType | null;
    isGrown: boolean | null;
}

interface VillageDto {
    objects: VillageObjectDto[];
}

// --- Handler ---

export default defineEventHandler(async (event): Promise<VillageDto> => {
    const userId = await getUserIdFromSession(event);

    let village = await prisma.village.findUnique({
        where: { userId },
        include: { objects: true },
    });

    // If the user has no village yet, create one automatically.
    if (!village) {
        village = await prisma.village.create({
            data: { userId },
            include: { objects: true },
        });
    }

    // Map Prisma objects to clean DTOs, computing `isGrown`.
    const objectDtos: VillageObjectDto[] = village.objects.map(obj => ({
        id: obj.id,
        type: obj.type,
        x: obj.x,
        y: obj.y,
        cropType: obj.cropType,
        isGrown: obj.type === 'FIELD' ? isCropGrown(obj.plantedAt, obj.cropType) : null,
    }));

    return {
        objects: objectDtos,
    };
});