/*
 * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
 *
 * This work is published and licensed under a Creative Commons
 * Attribution-NonCommercial-NoDerivatives 4.0 International License.
 *
 * Distribution of this work is permitted, but commercial use and
 * modifications are strictly prohibited.
 */
package accntcli

import (
	"context"
	"encoding/json"
	"errors"

	"mstore/app/accoper"
	"mstore/app/handler"
	"mstore/pkg/descr"
)

func (cli *Client) CreateGrantByAccountID(ctx context.Context, host string, accountID, right, pattern string) (string, error) {
	var err error
	var res string

	params := accoper.CreateGrantParams{
		AccountID: accountID,
		Right:     right,
		Pattern:   pattern,
	}
	reqdata, err := json.Marshal(params)
	if err != nil {
		return res, err
	}
	respdata, err := cli.doHTTPCall(ctx, host, "grant", "create", reqdata)
	if err != nil {
		return res, err
	}

	response := handler.NewResponse[accoper.CreateGrantResult]()
	err = json.Unmarshal(respdata, response)
	if err != nil {
		return res, err
	}
	if response.Error {
		err = errors.New(response.Message)
		return res, err
	}
	res = response.Result.GrantID
	return res, err
}

func (cli *Client) CreateGrantByUsername(ctx context.Context, host, username string, right string, pattern string) (string, error) {
	var err error
	var res string
	params := accoper.CreateGrantParams{
		Username: username,
		Right:    right,
		Pattern:  pattern,
	}
	reqdata, err := json.Marshal(params)
	if err != nil {
		return res, err
	}
	respdata, err := cli.doHTTPCall(ctx, host, "grant", "create", reqdata)
	if err != nil {
		return res, err
	}

	response := handler.NewResponse[accoper.CreateGrantResult]()
	err = json.Unmarshal(respdata, response)
	if err != nil {
		return res, err
	}
	if response.Error {
		err = errors.New(response.Message)
		return res, err
	}
	res = response.Result.GrantID
	return res, err
}

func (cli *Client) GetGrant(ctx context.Context, host, grantID string) (*descr.Grant, error) {
	var err error
	res := &descr.Grant{}
	params := accoper.GetGrantParams{
		GrantID: grantID,
	}
	reqdata, err := json.Marshal(params)
	if err != nil {
		return res, err
	}
	respdata, err := cli.doHTTPCall(ctx, host, "grant", "get", reqdata)
	if err != nil {
		return res, err
	}

	response := handler.NewResponse[accoper.GetGrantResult]()
	err = json.Unmarshal(respdata, response)
	if err != nil {
		return res, err
	}
	if response.Error {
		err = errors.New(response.Message)
		return res, err
	}
	res = response.Result.Grant
	return res, err
}

func (cli *Client) UpdateGrant(ctx context.Context, host, grantID, newPattern string) error {
	var err error
	params := accoper.UpdateGrantParams{
		GrantID:    grantID,
		NewPattern: newPattern,
	}
	reqdata, err := json.Marshal(params)
	if err != nil {
		return err
	}
	respdata, err := cli.doHTTPCall(ctx, host, "grant", "update", reqdata)
	if err != nil {
		return err
	}
	response := handler.NewResponse[accoper.UpdateGrantResult]()
	err = json.Unmarshal(respdata, response)
	if err != nil {
		return err
	}
	if response.Error {
		err = errors.New(response.Message)
		return err
	}
	return err
}

func (cli *Client) DeleteGrant(ctx context.Context, host, grantID string) error {
	var err error
	params := accoper.DeleteGrantParams{
		GrantID: grantID,
	}
	reqdata, err := json.Marshal(params)
	if err != nil {
		return err
	}
	respdata, err := cli.doHTTPCall(ctx, host, "grant", "delete", reqdata)
	if err != nil {
		return err
	}

	response := handler.NewResponse[accoper.DeleteGrantResult]()
	err = json.Unmarshal(respdata, response)
	if err != nil {
		return err
	}
	if response.Error {
		err = errors.New(response.Message)
		return err
	}
	return err
}

func (cli *Client) ListGrantsByAccountID(ctx context.Context, host, accountID string) ([]descr.Grant, error) {
	var err error
	res := make([]descr.Grant, 0)
	params := accoper.ListGrantsParams{
		AccountID: accountID,
	}
	reqdata, err := json.Marshal(params)
	if err != nil {
		return res, err
	}
	respdata, err := cli.doHTTPCall(ctx, host, "grants", "list", reqdata)
	if err != nil {
		return res, err
	}
	response := handler.NewResponse[accoper.ListGrantsResult]()
	err = json.Unmarshal(respdata, response)
	if err != nil {
		return res, err
	}
	if response.Error {
		err = errors.New(response.Message)
		return res, err
	}
	res = response.Result.Grants
	return res, err
}

func (cli *Client) ListGrantsByUsername(ctx context.Context, host, username string) ([]descr.Grant, error) {
	var err error
	res := make([]descr.Grant, 0)
	params := accoper.ListGrantsParams{
		Username: username,
	}
	reqdata, err := json.Marshal(params)
	if err != nil {
		return res, err
	}
	respdata, err := cli.doHTTPCall(ctx, host, "grants", "list", reqdata)
	if err != nil {
		return res, err
	}

	response := handler.NewResponse[accoper.ListGrantsResult]()
	err = json.Unmarshal(respdata, response)
	if err != nil {
		return res, err
	}
	if response.Error {
		err = errors.New(response.Message)
		return res, err
	}
	res = response.Result.Grants
	return res, err
}