package service

import (
	"StuAcaWorksAI/dao"
	"errors"
)

// 创建模型信息
func CreateModel(userID uint, modelType, url, parameter, description string) (error, uint) {
	//查看用户是否有权限创建模型
	user := GetUserByIDWithCache(int(userID))
	if user.ID == 0 {
		return errors.New("user not exist"), 0
	}
	if user.Role != "admin" {
		return errors.New("user not admin,no permission"), 0
	}
	return dao.CreateModel(userID, modelType, url, parameter, description)
}

// 根据id查找模型
func FindModelByID(id, userID int) []dao.Model {
	return dao.FindModelByID(id, userID)
}

// 根据用户id查找模型
func FindModelByUserID(userID int) []dao.Model {
	return dao.FindModelByUserID(userID)
}

// 根据id删除模型
func DeleteModelByID(id, userID int) error {
	//查看用户是否有权限删除模型
	user := GetUserByIDWithCache(userID)
	model := dao.FindModelByID(id, userID)
	if user.ID == 0 {
		return errors.New("user not exist")
	}
	if len(model) == 0 && user.Role != "admin" {
		return errors.New("model not exist or no permission")
	}
	return dao.DeleteModelByID(id)
}

// 更新模型信息
func UpdateModelByID(id int, userID uint, modelType, url, parameter, description string) error {

	return dao.UpdateModelByID(id, userID, modelType, url, parameter, description)
}

func CreateFuncModel(userID, modelID int, name, info, function string) (error, uint) {
	//查看用户是否有权限创建模型
	user := GetUserByIDWithCache(userID)
	if user.ID == 0 {
		return errors.New("user not exist"), 0
	}
	if user.Role != "admin" {
		return errors.New("user not admin,no permission"), 0
	}
	return dao.CreateFunctionModel(uint(userID), uint(modelID), name, info, function)
}

func FindFuncModelByID(id, userID int) ([]dao.FunctionModel, error) {
	user := GetUserByIDWithCache(userID)
	if user.ID == 0 {
		return nil, errors.New("user not exist")
	}
	if user.Role != "admin" {
		return nil, errors.New("user not admin,no permission")
	}
	return dao.FindFunctionModelByID(id, userID), nil
}

// 根据userID查找功能模型
func FindFuncModelByUserID(userID int) ([]dao.FunctionModel, error) {
	user := GetUserByIDWithCache(userID)
	if user.ID == 0 {
		return nil, errors.New("user not exist")
	}
	if user.Role != "admin" {
		return nil, errors.New("user not admin,no permission")
	}
	return dao.FindFunctionModelByUserID(userID), nil
}

func DeleteFuncModelByID(id, userID int) error {
	//查看用户是否有权限删除模型
	user := GetUserByIDWithCache(userID)
	model := dao.FindFunctionModelByID(id, userID)
	if user.ID == 0 {
		return errors.New("user not exist")
	}
	if len(model) == 0 && user.Role != "admin" {
		return errors.New("model not exist or no permission")
	}
	return dao.DeleteFunctionModelByID(id)
}

func UpdateFuncModelByID(id int, userID, modelID uint, name, info, function string) error {
	user := GetUserByIDWithCache(int(userID))
	if user.ID == 0 {
		return errors.New("user not exist")
	}
	if user.Role != "admin" {
		return errors.New("user not admin,no permission")
	}
	return dao.UpdateFunctionModelByID(id, userID, modelID, name, info, function)
}

// 根据功能查找对应功能
func FindFuncModelByFunction(function string, userID int) ([]dao.Model, []dao.FunctionModel) {
	//先查找对应功能
	funcModels := dao.FindFunctionModelByFunction(function)
	if len(funcModels) == 0 {
		return []dao.Model{}, funcModels
	}
	modelID := funcModels[0].ModelID
	//再查找对应模型
	return dao.FindModelByModelID(modelID), funcModels
}