"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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var __metadata = (this && this.__metadata) || function (k, v) {
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MealPlanService = void 0;
const common_1 = require("@nestjs/common");
const prisma_service_1 = require("../prisma/prisma.service");
const recipeSelect = {
    id: true,
    name: true,
    imageUrl: true,
    servings: true,
    ingredients: {
        select: {
            quantity: true,
            unit: true,
            note: true,
            product: { select: { id: true, name: true, canonicalName: true } },
        },
    },
};
let MealPlanService = class MealPlanService {
    constructor(prisma) {
        this.prisma = prisma;
    }
    async findByRange(userId, from, to) {
        return this.prisma.mealPlanEntry.findMany({
            where: {
                userId,
                date: { gte: new Date(from), lte: new Date(to) },
            },
            include: { recipe: { select: recipeSelect } },
            orderBy: { date: 'asc' },
        });
    }
    async upsert(userId, dto) {
        const date = new Date(dto.date);
        return this.prisma.mealPlanEntry.upsert({
            where: {
                userId_date: {
                    userId,
                    date,
                },
            },
            create: {
                userId,
                date,
                recipeId: dto.recipeId,
                servings: dto.servings ?? null,
            },
            update: { recipeId: dto.recipeId, servings: dto.servings ?? null },
            include: { recipe: { select: recipeSelect } },
        });
    }
    async removeByDate(userId, date) {
        const entry = await this.prisma.mealPlanEntry.findUnique({
            where: {
                userId_date: {
                    userId,
                    date: new Date(date),
                },
            },
        });
        if (!entry)
            throw new common_1.NotFoundException('Ingen matplanspost för detta datum');
        return this.prisma.mealPlanEntry.delete({ where: { id: entry.id } });
    }
    aggregateIngredients(entries) {
        const map = new Map();
        for (const entry of entries) {
            const recipeServings = entry.recipe.servings;
            const entryServings = entry.servings;
            const scale = recipeServings && entryServings ? entryServings / recipeServings : 1;
            for (const ing of entry.recipe.ingredients) {
                if (!ing.product || !ing.unit) {
                    continue;
                }
                const key = `${ing.product.id}-${ing.unit}`;
                const qty = Number(ing.quantity ?? 0) * scale;
                const existing = map.get(key);
                if (existing) {
                    existing.quantity += qty;
                }
                else {
                    map.set(key, {
                        productId: ing.product.id,
                        name: ing.product.canonicalName || ing.product.name,
                        quantity: qty,
                        unit: ing.unit,
                    });
                }
            }
        }
        return Array.from(map.values());
    }
    async shoppingList(userId, from, to) {
        const entries = await this.findByRange(userId, from, to);
        return this.aggregateIngredients(entries).sort((a, b) => a.name.localeCompare(b.name, 'sv'));
    }
    async inventoryCompare(userId, from, to) {
        const entries = await this.findByRange(userId, from, to);
        const pantryItems = await this.prisma.pantryItem.findMany({
            where: { userId },
            select: { productId: true },
        });
        const pantryProductIds = new Set(pantryItems.map((p) => p.productId));
        const aggregated = this.aggregateIngredients(entries).map((item) => ({
            productId: item.productId,
            name: item.name,
            required: item.quantity,
            unit: item.unit,
        }));
        const result = await Promise.all(aggregated.map(async (item) => {
            if (pantryProductIds.has(item.productId)) {
                return {
                    productId: item.productId,
                    name: item.name,
                    required: item.required,
                    unit: item.unit,
                    available: item.required,
                    missing: 0,
                    status: 'pantry',
                };
            }
            const inventoryItems = await this.prisma.inventoryItem.findMany({
                where: { productId: item.productId },
            });
            const available = inventoryItems
                .filter((i) => i.unit.trim().toLowerCase() === item.unit.trim().toLowerCase())
                .reduce((sum, i) => sum + Number(i.quantity), 0);
            return {
                productId: item.productId,
                name: item.name,
                required: item.required,
                unit: item.unit,
                available,
                missing: Math.max(0, item.required - available),
                status: (available >= item.required ? 'enough' : 'missing'),
            };
        }));
        const statusOrder = { missing: 0, enough: 1, pantry: 2 };
        return result.sort((a, b) => {
            const diff = statusOrder[a.status] - statusOrder[b.status];
            if (diff !== 0)
                return diff;
            return a.name.localeCompare(b.name, 'sv');
        });
    }
};
exports.MealPlanService = MealPlanService;
exports.MealPlanService = MealPlanService = __decorate([
    (0, common_1.Injectable)(),
    __metadata("design:paramtypes", [prisma_service_1.PrismaService])
], MealPlanService);
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