package cmd

import (
	"context"
	"fmt"
	"log"

	"management/internal/erpserver/handler"
	"management/internal/erpserver/repository"
	systemrepo "management/internal/erpserver/repository/system"
	commonservice "management/internal/erpserver/service/v1/common"
	systemservice "management/internal/erpserver/service/v1/system"
	"management/internal/pkg/binding"
	"management/internal/pkg/config"
	"management/internal/pkg/database"
	"management/internal/pkg/middleware"
	"management/internal/pkg/redis"
	"management/internal/pkg/session"
	"management/internal/pkg/tpl"

	"github.com/drhin/logger"
	"github.com/spf13/cobra"
)

var erpCmd = &cobra.Command{
	Use:   "erp",
	Short: "Start erp management server",
	Long:  `A Service to erp management`,
	Run: func(cmd *cobra.Command, args []string) {
		err := runErp(cmd.Context())
		if err != nil {
			log.Fatalf("run erp failed: %v", err)
		}
	},
}

func init() {
	erpCmd.Flags().StringVarP(&configPath, "config", "c", "", "Custom config file path")
	rootCmd.AddCommand(erpCmd)
}

func runErp(ctx context.Context) error {
	conf, err := config.New(configPath)
	checkError(err)

	// 初始化数据
	// dbinit.InitSeed()

	// mustInit(redis.Init)

	err = binding.SetValidatorTrans("zh")
	checkError(err)

	contextx, err := newAppContext(conf)
	checkError(err)

	address := fmt.Sprintf("%s:%d", conf.App.Host, conf.App.Port)
	log.Printf("Starting erp manage server on %s", address)
	server := InitServer(address, contextx.Router())
	return server.ListenAndServe()
}

func newAppContext(conf *config.Config) (*handler.AppContext, error) {
	// initialize DB
	dbOptions := &database.PostgreSQLOptions{
		Addr:     conf.DB.Host,
		Username: conf.DB.Username,
		Password: conf.DB.Password,
		Database: conf.DB.DBName,
	}
	gdb, err := database.NewPostgreSQL(dbOptions)
	if err != nil {
		return nil, err
	}
	repo := repository.NewStore(gdb)

	// initialize Redis
	redis, err := redis.New(conf.Redis)
	if err != nil {
		return nil, err
	}

	// initialize Session
	db, err := gdb.DB()
	if err != nil {
		return nil, err
	}
	session := session.New(db, conf.App.Prod)

	// initialize Logger
	log, err := logger.NewProduction()
	if err != nil {
		return nil, err
	}

	ctx := &handler.AppContext{
		DB:      gdb,
		Store:   repo,
		Redis:   redis,
		Session: session,
		Config:  conf,
		Log:     log,
	}

	setRepository(ctx)
	setService(ctx)
	setMiddleware(ctx)
	if err := setRender(ctx); err != nil {
		return nil, err
	}

	return ctx, nil
}

func setRepository(ctx *handler.AppContext) {
	ctx.UserRepo = systemrepo.NewUserRepository(ctx.Store)
	ctx.LoginLogRepo = systemrepo.NewLoginLogRepository(ctx.Store)
	ctx.AuditLogRepo = systemrepo.NewAuditLogRepository(ctx.Store)
	ctx.RoleRepo = systemrepo.NewRoleRepository(ctx.Store)
	ctx.DepartmentRepo = systemrepo.NewDepartmentRepository(ctx.Store)
	ctx.ConfigRepo = systemrepo.NewConfigRepository(ctx.Store)
	ctx.RoleMenuRepo = systemrepo.NewRoleMenuRepository(ctx.Store)
	ctx.MenuRepo = systemrepo.NewMenuRepository(ctx.Store)
}

func setService(ctx *handler.AppContext) {
	ctx.CaptchaService = commonservice.NewCaptchaService()

	ctx.ConfigService = systemservice.NewConfigService(ctx.ConfigRepo, ctx.Redis)
	ctx.LoginLogService = systemservice.NewLoginLogService(ctx.LoginLogRepo)
	ctx.AuditLogService = systemservice.NewAuditLogService(ctx.AuditLogRepo)
	ctx.RoleService = systemservice.NewRoleService(ctx.RoleRepo)
	ctx.UserService = systemservice.NewUserService(ctx.Session, ctx.Log, ctx.UserRepo, ctx.RoleService, ctx.LoginLogService)
	ctx.DepartmentService = systemservice.NewDepartmentService(ctx.DepartmentRepo)
	ctx.RoleMenuService = systemservice.NewRoleMenuService(ctx.RoleMenuRepo)
	ctx.MenuService = systemservice.NewMenuService(ctx.Redis, ctx.Store, ctx.MenuRepo, ctx.RoleService, ctx.RoleMenuService)
}

func setMiddleware(ctx *handler.AppContext) {
	ctx.Middleware = middleware.New(ctx.Session, ctx.MenuService, ctx.AuditLogService)
}

func setRender(ctx *handler.AppContext) error {
	var err error
	ctx.Render, err = tpl.New(ctx.Session, ctx.MenuService)
	if err != nil {
		return err
	}
	return nil
}

func checkError(err error) {
	if err != nil {
		log.Fatalf("init failed: %v", err)
	}
}