// Command server starts the 愈心谷 HTTP API.
package main

import (
	"context"
	"log"
	"os"
	"path/filepath"
	"time"

	"github.com/gin-gonic/gin"

	"github.com/yuxingu/digital-psychology/apps/api/internal/config"
	"github.com/yuxingu/digital-psychology/apps/api/internal/db"
	"github.com/yuxingu/digital-psychology/apps/api/internal/httpserver"
)

func main() {
	cfg := config.Load()
	if cfg.AppEnv == "prod" {
		gin.SetMode(gin.ReleaseMode)
	}

	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
	defer cancel()

	pool, err := db.Connect(ctx, cfg.DatabaseURL)
	if err != nil {
		log.Printf("database unavailable: %v", err)
		log.Printf("hint: npm run deps:up  (docker-compose.dev.yml)")
		os.Exit(1)
	}
	defer pool.Close()

	migDir := os.Getenv("MIGRATIONS_DIR")
	if migDir == "" {
		migDir = filepath.Join("migrations")
	}
	if err := db.Migrate(ctx, pool, migDir); err != nil {
		log.Printf("migrate: %v", err)
		os.Exit(1)
	}

	r := httpserver.NewRouter(pool, cfg)
	if cfg.DeepSeek.Enabled() {
		log.Printf("ask: deepseek enabled model=%s", cfg.DeepSeek.Model)
	} else {
		log.Printf("ask: deepseek disabled (set deepseek.api_key in config.local.yaml) — using rule engine")
	}
	log.Printf("yuxingu api listening on %s env=%s", cfg.HTTPAddr, cfg.AppEnv)
	if err := r.Run(cfg.HTTPAddr); err != nil {
		log.Printf("server stopped: %v", err)
		os.Exit(1)
	}
}