"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.UtilsService = void 0;
const common_1 = require("@nestjs/common");
const sequelize_1 = require("@nestjs/sequelize");
const sequelize_2 = require("sequelize");
const user_model_1 = require("../models/user.model");
const food_item_model_1 = require("../models/food-item.model");
const meal_model_1 = require("../models/meal.model");
const meal_food_model_1 = require("../models/meal-food.model");
const water_log_model_1 = require("../models/water-log.model");
const weight_log_model_1 = require("../models/weight-log.model");
const meal_plan_model_1 = require("../models/meal-plan.model");
const planned_food_model_1 = require("../models/planned-food.model");
const daily_summary_model_1 = require("../models/daily-summary.model");
let UtilsService = class UtilsService {
    constructor(userModel, foodItemModel, mealModel, waterLogModel, weightLogModel, mealPlanModel, plannedFoodModel, dailySummaryModel) {
        this.userModel = userModel;
        this.foodItemModel = foodItemModel;
        this.mealModel = mealModel;
        this.waterLogModel = waterLogModel;
        this.weightLogModel = weightLogModel;
        this.mealPlanModel = mealPlanModel;
        this.plannedFoodModel = plannedFoodModel;
        this.dailySummaryModel = dailySummaryModel;
    }
    calculateBMR(weightKg, heightCm, age, gender) {
        let bmr;
        if (gender.toLowerCase() === 'male') {
            bmr = 10 * weightKg + 6.25 * heightCm - 5 * age + 5;
        }
        else {
            bmr = 10 * weightKg + 6.25 * heightCm - 5 * age - 161;
        }
        return Math.round(bmr);
    }
    calculateTDEE(bmr, activityLevel) {
        const multipliers = {
            sedentary: 1.2,
            light: 1.375,
            moderate: 1.55,
            active: 1.725,
            very_active: 1.9,
        };
        const multiplier = multipliers[activityLevel] || 1.55;
        return Math.round(bmr * multiplier);
    }
    calculateMacroTargets(weightKg, goalType = 'recomp') {
        let protein, carbs, fat;
        if (goalType === 'muscle_gain') {
            protein = weightKg * 2.4;
            carbs = weightKg * 3.5;
            fat = weightKg * 1.0;
        }
        else if (goalType === 'weight_loss') {
            protein = weightKg * 2.2;
            carbs = weightKg * 2.0;
            fat = weightKg * 0.8;
        }
        else {
            protein = weightKg * 2.2;
            carbs = weightKg * 2.5;
            fat = weightKg * 0.9;
        }
        return {
            protein_g: Math.round(protein),
            carbs_g: Math.round(carbs),
            fat_g: Math.round(fat),
        };
    }
    async calculateDailyTotals(userId, targetDate = new Date()) {
        const dateStr = targetDate instanceof Date ? targetDate.toISOString().split('T')[0] : targetDate;
        const meals = await this.mealModel.findAll({
            where: {
                UserId: userId,
                date: dateStr,
            },
            include: [
                {
                    model: meal_food_model_1.MealFood,
                    include: [food_item_model_1.FoodItem],
                },
            ],
        });
        const totals = {
            calories: 0,
            protein: 0,
            carbs: 0,
            fat: 0,
            meals: [],
        };
        for (const meal of meals) {
            const mealTotals = {
                calories: 0,
                protein: 0,
                carbs: 0,
                fat: 0,
            };
            const mealFoods = [];
            for (const mf of meal.mealFoods) {
                const quantity = mf.quantity || 1.0;
                const food = mf.foodItem;
                const calories = mf.calories_consumed || food.calories * quantity;
                const protein = mf.protein_consumed || food.protein_g * quantity;
                const carbs = mf.carbs_consumed || food.carbs_g * quantity;
                const fat = mf.fat_consumed || food.fat_g * quantity;
                mealTotals.calories += calories;
                mealTotals.protein += protein;
                mealTotals.carbs += carbs;
                mealTotals.fat += fat;
                mealFoods.push({
                    name: food.name,
                    quantity: quantity,
                    calories: calories,
                });
            }
            totals.calories += mealTotals.calories;
            totals.protein += mealTotals.protein;
            totals.carbs += mealTotals.carbs;
            totals.fat += mealTotals.fat;
            totals.meals.push({
                id: meal.id,
                type: meal.meal_type,
                time: meal.time ? meal.time.substring(0, 5) : null,
                totals: mealTotals,
                foods: mealFoods,
            });
        }
        return totals;
    }
    async calculateWaterTotal(userId, targetDate = new Date()) {
        const dateStr = targetDate instanceof Date ? targetDate.toISOString().split('T')[0] : targetDate;
        const waterLogs = await this.waterLogModel.findAll({
            where: {
                UserId: userId,
                date: dateStr,
            },
        });
        const total = waterLogs.reduce((sum, log) => sum + log.amount_ml, 0);
        return {
            total_ml: total,
            logs: waterLogs.map((log) => ({
                id: log.id,
                amount_ml: log.amount_ml,
                time: log.time ? log.time.substring(0, 5) : null,
            })),
        };
    }
    async getWeightTrend(userId, days = 7) {
        const endDate = new Date();
        const startDate = new Date();
        startDate.setDate(endDate.getDate() - (days - 1));
        const startDateStr = startDate.toISOString().split('T')[0];
        const endDateStr = endDate.toISOString().split('T')[0];
        const weightLogs = await this.weightLogModel.findAll({
            where: {
                UserId: userId,
                date: {
                    [sequelize_2.Op.between]: [startDateStr, endDateStr],
                },
            },
            order: [['date', 'ASC']],
        });
        return weightLogs.map((log) => ({
            date: log.date,
            weight_kg: log.weight_kg,
        }));
    }
    async getCalorieTrend(userId, days = 7) {
        const endDate = new Date();
        const startDate = new Date();
        startDate.setDate(endDate.getDate() - (days - 1));
        const trend = [];
        const currentDate = new Date(startDate);
        while (currentDate <= endDate) {
            const dateStr = currentDate.toISOString().split('T')[0];
            const totals = await this.calculateDailyTotals(userId, dateStr);
            trend.push({
                date: dateStr,
                calories: Math.round(totals.calories),
                protein: Math.round(totals.protein),
                carbs: Math.round(totals.carbs),
                fat: Math.round(totals.fat),
            });
            currentDate.setDate(currentDate.getDate() + 1);
        }
        return trend;
    }
    async updateDailySummary(userId, targetDate = new Date()) {
        const dateStr = targetDate instanceof Date ? targetDate.toISOString().split('T')[0] : targetDate;
        const nutrition = await this.calculateDailyTotals(userId, dateStr);
        const water = await this.calculateWaterTotal(userId, dateStr);
        const weightLog = await this.weightLogModel.findOne({
            where: {
                UserId: userId,
                date: dateStr,
            },
        });
        const weight = weightLog ? weightLog.weight_kg : null;
        const user = await this.userModel.findByPk(userId);
        const targetCalories = user ? user.target_daily_calories : 2000;
        let summary = await this.dailySummaryModel.findOne({
            where: {
                UserId: userId,
                date: dateStr,
            },
        });
        if (!summary) {
            summary = await this.dailySummaryModel.create({
                UserId: userId,
                date: dateStr,
            });
        }
        summary.total_calories = nutrition.calories;
        summary.total_protein_g = nutrition.protein;
        summary.total_carbs_g = nutrition.carbs;
        summary.total_fat_g = nutrition.fat;
        summary.total_water_ml = water.total_ml;
        summary.calories_remaining = targetCalories - nutrition.calories;
        summary.weight_kg = weight;
        try {
            await summary.save();
            return summary;
        }
        catch (e) {
            console.error(`Error updating daily summary: ${e}`);
            return null;
        }
    }
    getMacroPercentages(proteinG, carbsG, fatG) {
        const proteinCal = proteinG * 4;
        const carbsCal = carbsG * 4;
        const fatCal = fatG * 9;
        const totalCal = proteinCal + carbsCal + fatCal;
        if (totalCal === 0) {
            return { protein: 0, carbs: 0, fat: 0 };
        }
        return {
            protein: Math.round((proteinCal / totalCal) * 100),
            carbs: Math.round((carbsCal / totalCal) * 100),
            fat: Math.round((fatCal / totalCal) * 100),
        };
    }
    suggestFoodsForMacros(remainingProtein, remainingCarbs, remainingFat) {
        const suggestions = [];
        if (remainingProtein > 30) {
            suggestions.push({
                category: 'High Protein Ulam',
                examples: ['Grilled Tilapia', 'Chicken Tinola', 'Grilled Chicken'],
            });
        }
        if (remainingCarbs > 40) {
            suggestions.push({
                category: 'Carbs',
                examples: ['White Rice', 'Pandesal', 'Sweet Potato'],
            });
        }
        if (remainingFat > 20) {
            suggestions.push({
                category: 'Healthy Fats',
                examples: ['Sisig', 'Lechon Kawali', 'Bicol Express'],
            });
        }
        if (remainingProtein > 20 && remainingCarbs > 30) {
            suggestions.push({
                category: 'Balanced Meals',
                examples: ['Tapsilog', 'Chicken Adobo with Rice', 'Sinigang'],
            });
        }
        return suggestions;
    }
    async generateDailyMealPlan(userId, dateStr) {
        try {
            const user = await this.userModel.findByPk(userId);
            const targetCalories = user ? user.target_daily_calories : 2000;
            const targets = {
                breakfast: Math.round(targetCalories * 0.25),
                lunch: Math.round(targetCalories * 0.35),
                dinner: Math.round(targetCalories * 0.3),
                snack: Math.round(targetCalories * 0.1),
            };
            const foods = await this.foodItemModel.findAll();
            const foodByCat = {
                almusal: foods.filter((f) => f.category === 'almusal'),
                ulam: foods.filter((f) => ['ulam', 'sabaw'].includes(f.category)),
                kanin: foods.filter((f) => f.category === 'kanin'),
                gulay: foods.filter((f) => f.category === 'gulay'),
                meryenda: foods.filter((f) => f.category === 'meryenda'),
            };
            const allFoods = foods;
            const pickRandom = (arr) => (arr.length > 0 ? arr[Math.floor(Math.random() * arr.length)] : null);
            const generateMeal = async (mealType, targetCal) => {
                let currentCal = 0;
                const selectedFoods = [];
                if (mealType === 'breakfast') {
                    const main = pickRandom(foodByCat.almusal) || pickRandom(allFoods);
                    if (main) {
                        selectedFoods.push({ food: main, qty: 1 });
                        currentCal += main.calories;
                    }
                }
                else if (['lunch', 'dinner'].includes(mealType)) {
                    const rice = pickRandom(foodByCat.kanin);
                    const ulam = pickRandom(foodByCat.ulam) || pickRandom(allFoods);
                    const gulay = pickRandom(foodByCat.gulay);
                    if (rice) {
                        selectedFoods.push({ food: rice, qty: 1 });
                        currentCal += rice.calories;
                    }
                    if (ulam) {
                        selectedFoods.push({ food: ulam, qty: 1 });
                        currentCal += ulam.calories;
                    }
                    if (gulay && currentCal < targetCal) {
                        selectedFoods.push({ food: gulay, qty: 1 });
                        currentCal += gulay.calories;
                    }
                }
                else if (mealType === 'snack') {
                    const snack = pickRandom(foodByCat.meryenda) || pickRandom(allFoods);
                    if (snack) {
                        selectedFoods.push({ food: snack, qty: 1 });
                        currentCal += snack.calories;
                    }
                }
                if (currentCal > 0 && selectedFoods.length > 0) {
                    const mealPlan = await this.mealPlanModel.create({
                        UserId: userId,
                        date: dateStr,
                        meal_type: mealType,
                        is_completed: false,
                    });
                    for (const item of selectedFoods) {
                        await this.plannedFoodModel.create({
                            MealPlanId: mealPlan.id,
                            FoodItemId: item.food.id,
                            quantity: item.qty,
                        });
                    }
                }
            };
            await this.mealPlanModel.destroy({
                where: {
                    UserId: userId,
                    date: dateStr,
                },
            });
            await generateMeal('breakfast', targets.breakfast);
            await generateMeal('lunch', targets.lunch);
            await generateMeal('dinner', targets.dinner);
            await generateMeal('snack', targets.snack);
            return true;
        }
        catch (error) {
            console.error('Error generating meal plan:', error);
            throw error;
        }
    }
};
exports.UtilsService = UtilsService;
exports.UtilsService = UtilsService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, sequelize_1.InjectModel)(user_model_1.User)),
    __param(1, (0, sequelize_1.InjectModel)(food_item_model_1.FoodItem)),
    __param(2, (0, sequelize_1.InjectModel)(meal_model_1.Meal)),
    __param(3, (0, sequelize_1.InjectModel)(water_log_model_1.WaterLog)),
    __param(4, (0, sequelize_1.InjectModel)(weight_log_model_1.WeightLog)),
    __param(5, (0, sequelize_1.InjectModel)(meal_plan_model_1.MealPlan)),
    __param(6, (0, sequelize_1.InjectModel)(planned_food_model_1.PlannedFood)),
    __param(7, (0, sequelize_1.InjectModel)(daily_summary_model_1.DailySummary)),
    __metadata("design:paramtypes", [Object, Object, Object, Object, Object, Object, Object, Object])
], UtilsService);
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