package moto

import (
	"context"
	"git.nobla.cn/golang/kos"
	httpkg "git.nobla.cn/golang/kos/entry/http"
	"git.nobla.cn/golang/moto/common/db"
	"git.nobla.cn/golang/moto/config"
	"git.nobla.cn/golang/moto/models"
	"git.nobla.cn/golang/moto/version"
	"git.nobla.cn/golang/rest"
	"io"
	"net/http"
)

type Server struct {
	cfg        *config.Config
	ctx        context.Context
	cancelFunc context.CancelCauseFunc
}

func (svr *Server) prepare() (err error) {
	if err = db.Init(svr.ctx, svr.cfg.Database); err != nil {
		return
	}
	values := []any{
		&models.User{},
		&models.Role{},
		&models.Department{},
	}
	for _, item := range values {
		if err = db.DB().AutoMigrate(item); err != nil {
			return
		}
		if err = rest.AutoMigrate(svr.ctx, db.DB(), item, rest.WithoutDomain(), rest.WithModuleName(version.ProductName)); err != nil {
			return
		}
	}
	rest.SetHttpRouter(svr)
	return
}

func (svr *Server) Handle(method string, uri string, handler http.HandlerFunc) {
	kos.Http().Handle(method, uri, func(ctx *httpkg.Context) (err error) {
		handler(ctx.Response(), ctx.Request())
		return
	})
}

func (svr *Server) Start(ctx context.Context) (err error) {
	svr.ctx, svr.cancelFunc = context.WithCancelCause(ctx)
	if err = svr.prepare(); err != nil {
		return
	}
	svr.routes()
	return
}

func (svr *Server) Stop() (err error) {
	svr.cancelFunc(io.ErrClosedPipe)
	return
}

func New(cfg *config.Config) *Server {
	svr := &Server{
		cfg: cfg,
	}
	return svr
}