package controllers

import (
	"fwh-toolbox-server/domain"
	"fwh-toolbox-server/dto"
	"fwh-toolbox-server/services"
	"time"

	"github.com/gofiber/fiber/v2"
	"go.uber.org/zap"
)

var (
	// session cookie name
	sessionCookieName = "sid"
)

func Login(c *fiber.Ctx) error {
	var body dto.LoginParam
	if err := c.BodyParser(&body); err != nil {
		return Fail(c, "Invalid request body")
	}

	auth, err := services.Login(body)
	if err != nil {
		zap.L().Error("登录请求错误。", zap.String("err", err.Error()))
		return Error(c, "Login error. (casdoor)")
	}

	// 设置 HttpOnly cookie 保存 sid
	c.Cookie(&fiber.Cookie{
		Name:     sessionCookieName,
		Value:    auth.SessionId,
		Expires:  time.Now().Add(domain.SessionTTL),
		HTTPOnly: true,
		Secure:   false, // production: true
		SameSite: "Lax",
		Path:     "/fwh-toolbox/",
	})

	return Success(c, auth.AccessToken)
}

func GetSession(c *fiber.Ctx) error {
	sid := c.Cookies(sessionCookieName)
	if sid == "" {
		return Forbidden(c, "no session")
	}
	res, err := services.GetSession(sid)
	if err != nil {
		zap.L().Error("读取会话信息失败。", zap.String("err", err.Error()))
		return Forbidden(c, "Get session error. (casdoor)")
	}
	return Success(c, res)
}

func RefreshToken(c *fiber.Ctx) error {
	sid := c.Cookies(sessionCookieName)
	if sid == "" {
		return Forbidden(c, "no session")
	}
	res, err := services.RefreshToken(sid)
	if err != nil {
		zap.L().Error("刷新Token失败。", zap.String("err", err.Error()))
		return Forbidden(c, "Refresh token error. (casdoor)")
	}
	return Success(c, res)
}

func Logout(c *fiber.Ctx) error {
	sid := c.Cookies(sessionCookieName)
	err := services.Logout(sid)
	if err != nil {
		zap.L().Error("登出请求失败。", zap.String("err", err.Error()))
		return Error(c, "Logout error. (casdoor)")
	}

	// 清除 cookie
	c.Cookie(&fiber.Cookie{
		Name:     sessionCookieName,
		Value:    "",
		Expires:  time.Now().Add(-time.Hour),
		HTTPOnly: true,
		Secure:   false,
		Path:     "/fwh-toolbox/",
	})

	return NoContent(c)
}