package app

import (
	"blazing/cool"
	configservice "blazing/modules/config/service"
	playerservice "blazing/modules/player/service"
	"context"
	"fmt"
	"strings"

	"github.com/deatil/go-cryptobin/cryptobin/crypto"
	"github.com/gogf/gf/v2/frame/g"
)

type SignController struct {
	*cool.Controller
}

func init() {
	controller := &SignController{
		&cool.Controller{
			Prefix:  "/seer/game/sign",
			Api:     []string{},
			Service: configservice.NewSignInService(),
		},
	}
	cool.RegisterController(controller)
}

type SignStateReq struct {
	g.Meta  `path:"/state" method:"GET"`
	UserID  uint32 `json:"user_id" v:"required|min:1#用户ID不能为空|用户ID非法"`
	Session string `json:"session" v:"required#session不能为空"`
}

type SignClaimReq struct {
	g.Meta  `path:"/claim" method:"POST"`
	UserID  uint32 `json:"user_id" v:"required|min:1#用户ID不能为空|用户ID非法"`
	Session string `json:"session" v:"required#session不能为空"`
}

func (c *SignController) State(ctx context.Context, req *SignStateReq) (res *cool.BaseRes, err error) {
	if err = g.Validator().Data(req).Run(ctx); err != nil {
		return cool.Fail(err.Error()), nil
	}
	if err = validateGameSession(req.UserID, req.Session); err != nil {
		return cool.Fail(err.Error()), nil
	}

	state, err := playerservice.NewSignService(req.UserID).GetState()
	if err != nil {
		return cool.Fail(err.Error()), nil
	}
	return cool.Ok(state), nil
}

func (c *SignController) Claim(ctx context.Context, req *SignClaimReq) (res *cool.BaseRes, err error) {
	if err = g.Validator().Data(req).Run(ctx); err != nil {
		return cool.Fail(err.Error()), nil
	}
	if err = validateGameSession(req.UserID, req.Session); err != nil {
		return cool.Fail(err.Error()), nil
	}

	result, err := playerservice.NewSignService(req.UserID).Claim()
	if err != nil {
		return cool.Fail(err.Error()), nil
	}
	return cool.Ok(result), nil
}

func validateGameSession(userID uint32, session string) error {
	if userID == 0 {
		return fmt.Errorf("user_id不能为空")
	}
	session = strings.TrimSpace(session)
	if session == "" {
		return fmt.Errorf("session不能为空")
	}

	cached, err := cool.CacheManager.Get(context.Background(), fmt.Sprintf("session:%d", userID))
	if err != nil || cached.IsEmpty() {
		return fmt.Errorf("session已过期，请重新登录")
	}

	rawSession := session
	decrypted := crypto.
		FromBase64String(session).
		SetKey("gfertf12dfertf12").
		SetIv("gfertf12dfertf12").
		Aes().
		CBC().
		PKCS7Padding().
		Decrypt().
		ToString()
	if decrypted != "" {
		rawSession = decrypted
	}

	if rawSession != cached.String() {
		return fmt.Errorf("session无效，请重新登录")
	}
	return nil
}