<?php

namespace Database\Seeders;

use App\Models\Badge;
use App\Models\Challenge;
use App\Models\ChatMessage;
use App\Models\GlucoseMeasurement;
use App\Models\User;
use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;
use Illuminate\Support\Carbon;

class DatabaseSeeder extends Seeder
{
    use WithoutModelEvents;

    public function run(): void
    {
        $challenges = [
            ['slug' => 'time-in-range', 'icon' => '🎯', 'title' => 'Temps dans la cible', 'description' => '21 jours · 91% dans la cible', 'points' => 30, 'target_value' => 100, 'unit' => '%'],
            ['slug' => 'hydration', 'icon' => '💧', 'title' => 'Hydratation', 'description' => 'Boire 1,5L/jour pendant 7 jours', 'points' => 20, 'target_value' => 100, 'unit' => '%'],
            ['slug' => 'walk-after-meal', 'icon' => '🏃', 'title' => 'Marche post-repas', 'description' => '10 min après chaque repas · 3×/jour', 'points' => 50, 'target_value' => 100, 'unit' => '%'],
            ['slug' => 'bedtime-glucose', 'icon' => '🌙', 'title' => 'Glycémie au coucher', 'description' => 'Mesurer chaque soir pendant 14 jours', 'points' => 40, 'target_value' => 100, 'unit' => '%'],
        ];
        foreach ($challenges as $c) {
            Challenge::updateOrCreate(['slug' => $c['slug']], $c);
        }

        $badges = [
            ['slug' => 'beginner',    'icon' => '🥇', 'label' => 'Débutant',    'criteria' => 'Enregistrer votre première mesure de glycémie'],
            ['slug' => 'streak-7',    'icon' => '🔥', 'label' => '7 jours',     'criteria' => 'Mesurer votre glycémie 7 jours consécutifs'],
            ['slug' => 'hydrated',    'icon' => '💧', 'label' => 'Hydraté',     'criteria' => 'Terminer le défi Hydratation (1,5 L/jour pendant 7 jours)'],
            ['slug' => 'in-target',   'icon' => '🎯', 'label' => 'Dans la cible', 'criteria' => 'Atteindre 80 % de temps dans la cible sur une semaine'],
            ['slug' => 'sporty',      'icon' => '🏃', 'label' => 'Sportif',     'criteria' => 'Terminer le défi Marche post-repas (10 min, 3×/jour)'],
            ['slug' => 'early-bed',   'icon' => '🌙', 'label' => 'Couche-tôt',  'criteria' => 'Mesurer votre glycémie au coucher 14 soirs de suite'],
            ['slug' => 'persevering', 'icon' => '💪', 'label' => 'Persévérant', 'criteria' => 'Maintenir une série de 30 jours de mesures consécutives'],
            ['slug' => 'expert',      'icon' => '⭐', 'label' => 'Expert',      'criteria' => 'Accumuler 5 000 points de défi'],
        ];
        foreach ($badges as $b) {
            Badge::updateOrCreate(['slug' => $b['slug']], $b);
        }

        $marie = User::updateOrCreate(
            ['email' => 'marie@diabetix.test'],
            [
                'name' => 'Marie Dupont',
                'first_name' => 'Marie',
                'password' => bcrypt('password'),
                'diabetes_type' => 'type2',
                // WHO / international Time-in-Range consensus targets, in mg/dL
                'target_min' => 70,
                'target_max' => 180,
                'points' => 1240,
                'streak_days' => 12,
                'palette' => 'mint',
            ]
        );

        $progressMap = ['time-in-range' => 71, 'hydration' => 57, 'walk-after-meal' => 33, 'bedtime-glucose' => 85];
        foreach (Challenge::all() as $c) {
            $marie->challenges()->syncWithoutDetaching([
                $c->id => ['progress' => $progressMap[$c->slug] ?? 50, 'started_at' => now()->subDays(14)],
            ]);
        }

        foreach (['beginner', 'streak-7', 'hydrated', 'in-target'] as $slug) {
            $badge = Badge::where('slug', $slug)->first();
            $marie->badges()->syncWithoutDetaching([$badge->id => ['unlocked_at' => now()->subDays(rand(1, 30))]]);
        }

        // Seed 30 days of measurements (5/day) — values in mg/dL
        GlucoseMeasurement::where('user_id', $marie->id)->delete();
        $contexts = ['fasting', 'after_meal', 'before_meal', 'after_meal', 'bedtime'];
        for ($d = 30; $d >= 0; $d--) {
            $day = Carbon::now()->subDays($d);
            $hours = [7, 10, 12, 16, 21];
            // Realistic typical values: fasting ~95, post-meal ~155, pre-meal ~110, post-meal ~140, bedtime ~110
            $bases = [95, 155, 110, 140, 110];
            foreach ($hours as $i => $h) {
                $value = $bases[$i] + mt_rand(-22, 28); // jitter, occasional excursion
                GlucoseMeasurement::create([
                    'user_id' => $marie->id,
                    'value' => max(60, $value),
                    'context' => $contexts[$i],
                    'measured_at' => $day->copy()->setTime($h, mt_rand(0, 59)),
                ]);
            }
        }

        // Seed initial coach chat
        ChatMessage::where('user_id', $marie->id)->delete();
        $now = now();
        $msgs = [
            ['coach', 'Bonjour Marie ! Votre glycémie de ce matin est bonne (105 mg/dL). 😊', null],
            ['user', 'Merci ! Que me conseillez-vous pour ce soir ?', null],
            ['coach', 'Votre glycémie après dîner était élevée hier. Je vous suggère une marche de 10 min après le repas. On essaie ?', ['Ajouter ce défi ✓', 'Plus tard']],
            ['user', 'Oui, bonne idée !', null],
            ['coach', "Super ! Je vous rappellerai à 19h30 chaque soir. Que mangez-vous ce midi ? Je peux estimer l'impact glycémique. 🍽️", ['Décrire mon repas', 'Tofu 🥢', 'Pâtes 🍝']],
        ];
        foreach ($msgs as $i => [$sender, $body, $actions]) {
            ChatMessage::create([
                'user_id' => $marie->id,
                'sender' => $sender,
                'body' => $body,
                'actions' => $actions,
                'created_at' => $now->copy()->subMinutes((count($msgs) - $i) * 2),
                'updated_at' => $now->copy()->subMinutes((count($msgs) - $i) * 2),
            ]);
        }

        // Optional second demo user
        User::updateOrCreate(
            ['email' => 'demo@diabetix.test'],
            [
                'name' => 'Demo User',
                'first_name' => 'Demo',
                'password' => bcrypt('password'),
                'diabetes_type' => 'type1',
            ]
        );
    }
}