// Package httpserver wires HTTP routes for the 愈心谷 API.
package httpserver

import (
	"github.com/gin-gonic/gin"
	"github.com/jackc/pgx/v5/pgxpool"

	"github.com/yuxingu/digital-psychology/apps/api/internal/config"
	"github.com/yuxingu/digital-psychology/apps/api/internal/handler"
	"github.com/yuxingu/digital-psychology/apps/api/internal/llm/deepseek"
	"github.com/yuxingu/digital-psychology/apps/api/internal/middleware"
	"github.com/yuxingu/digital-psychology/apps/api/internal/repository"
	"github.com/yuxingu/digital-psychology/apps/api/internal/service/ask"
	companionsvc "github.com/yuxingu/digital-psychology/apps/api/internal/service/companion"
	imagecardsvc "github.com/yuxingu/digital-psychology/apps/api/internal/service/imagecard"
	"github.com/yuxingu/digital-psychology/apps/api/internal/service/membership"
	"github.com/yuxingu/digital-psychology/apps/api/internal/service/profile"
	"github.com/yuxingu/digital-psychology/apps/api/internal/service/relation"
	"github.com/yuxingu/digital-psychology/apps/api/internal/service/report"
	"github.com/yuxingu/digital-psychology/apps/api/internal/service/scale"
	"github.com/yuxingu/digital-psychology/apps/api/pkg/response"
)

// NewRouter builds the Gin engine with all /api/v1 routes.
func NewRouter(pool *pgxpool.Pool, cfg config.Config) *gin.Engine {
	profileRepo := &repository.ProfileRepo{Pool: pool}
	reportRepo := &repository.ReportRepo{Pool: pool}
	relationRepo := &repository.RelationRepo{Pool: pool}
	askRepo := &repository.AskRepo{Pool: pool}

	var llm *deepseek.Client
	if cfg.DeepSeek.Enabled() {
		llm = deepseek.New(cfg.DeepSeek)
	}

	profileSvc := &profile.Service{Repo: profileRepo}
	reportSvc := &report.Service{
		Profiles: profileRepo,
		Reports:  reportRepo,
		Invites:  &repository.SynastryInviteRepo{Pool: pool},
	}
	membershipSvc := &membership.Service{Reports: reportRepo}
	relationSvc := &relation.Service{Profiles: profileRepo, Reports: reportRepo, Relations: relationRepo}
	scaleSvc := &scale.Service{Repo: &repository.ScaleRepo{Pool: pool}, Profiles: profileRepo}
	askSvc := &ask.Service{Profiles: profileRepo, Reports: reportRepo, Ask: askRepo, LLM: llm}
	companionSvc := &companionsvc.Service{Moods: &repository.MoodRepo{Pool: pool}}
	imageCardSvc := &imagecardsvc.Service{
		Profiles: profileRepo,
		Reports:  reportRepo,
		Quotas:   &repository.ImageCardRepo{Pool: pool},
	}

	r := gin.New()
	r.Use(gin.Recovery(), gin.Logger(), middleware.RequestID())
	r.Use(func(c *gin.Context) {
		c.Header("Access-Control-Expose-Headers", "X-Device-Key, X-Request-Id")
		c.Next()
	})

	api := r.Group("/api/v1")
	handler.NewHealthHandler().Register(api)
	api.GET("/ping", func(c *gin.Context) {
		response.OK(c, gin.H{"pong": true})
	})

	authed := api.Group("")
	authed.Use(middleware.DeviceAuth(pool))
	(&handler.ProfileHandler{Svc: profileSvc}).Register(authed)
	(&handler.ReportHandler{Svc: reportSvc, Membership: membershipSvc}).Register(authed)
	(&handler.SynastryHandler{Svc: reportSvc}).Register(authed)
	(&handler.RelationHandler{Svc: relationSvc}).Register(authed)
	(&handler.ScaleHandler{Svc: scaleSvc}).Register(authed)
	(&handler.AskHandler{Svc: askSvc}).Register(authed)
	(&handler.CompanionHandler{Svc: companionSvc}).Register(authed)
	(&handler.ImageCardHandler{Svc: imageCardSvc}).Register(authed)
	(&handler.ExploreHandler{}).Register(authed)
	(&handler.GrowthHandler{
		Plans: &repository.GrowthRepo{Pool: pool},
	}).Register(authed)

	return r
}