package projects

import (
	db "ttime/internal/database"
	"ttime/internal/types"

	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/log"
	"github.com/golang-jwt/jwt/v5"
)

// ProjectRoleChange is a handler that changes a user's role within a project
func ProjectRoleChange(c *fiber.Ctx) error {

	//check token and get username of current user
	user := c.Locals("user").(*jwt.Token)
	claims := user.Claims.(jwt.MapClaims)
	username := claims["name"].(string)

	// Extract the necessary parameters from the request
	data := new(types.RoleChange)
	if err := c.BodyParser(data); err != nil {
		log.Info("error parsing username, project or role")
		return c.Status(400).SendString(err.Error())
	}

	// Check if user is trying to change its own role
	if username == data.UserName {
		log.Info("Can't change your own role")
		return c.Status(403).SendString("Can't change your own role")
	}

	log.Info("Changing role for user: ", data.UserName, " in project: ", data.Projectname, " to: ", data.Role)

	// Dubble diping and checcking if current user is
	if ismanager, err := db.GetDb(c).IsProjectManager(username, data.Projectname); err != nil {
		log.Warn("Error checking if projectmanager:", err)
		return c.Status(500).SendString(err.Error())
	} else if !ismanager {
		log.Warn("User is not projectmanager")
		return c.Status(401).SendString("User is not projectmanager")
	}

	// Change the user's role within the project in the database
	if err := db.GetDb(c).ChangeUserRole(data.UserName, data.Projectname, data.Role); err != nil {
		return c.Status(500).SendString(err.Error())
	}

	// Return a success message
	return c.SendStatus(fiber.StatusOK)
}