package anilist

func (api *Api) GetUserByName(name string) (*User, error) {
	query := `query ($name: String) {
		User (name: $name) ` + subSelectionUser + `
	}`

	vars := map[string]interface{}{
		"name": name,
	}

	resp := responseObj[struct {
		User *User
	}]{}

	err := request(api, query, vars, &resp)
	if err != nil {
		return nil, err
	}

	return resp.Data.User, nil
}

func (api *Api) GetUserByID(id int) (*User, error) {
	query := `query ($id: Int) {
		User (id: $id) ` + subSelectionUser + `
	}`

	vars := map[string]interface{}{
		"id": id,
	}

	resp := responseObj[struct {
		User *User
	}]{}

	err := request(api, query, vars, &resp)
	if err != nil {
		return nil, err
	}

	return resp.Data.User, nil
}

func (api *Api) SearchUsers(search string, onError func(error)) <-chan *User {
	vars := map[string]interface{}{"search": search}
	resp := responseObj[*page[User]]{}
	return requestPaged(api, searchUsersQuery, vars, &resp, onError)
}

const (
	searchUsersQuery = `query ($search: String, $page: Int) {
		Page (page: $page) {
			pageInfo ` + subSelectionPageInfo + `
			users (search: $search) ` + subSelectionUser + `
		}
	}`
)