/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

package proxmox

import (
	"context"
	"errors"
	"fmt"
	"net/http"
	"net/url"
	"sort"
	"time"

	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
)

// ChangeUserPassword changes a user's password.
func (c *VirtualEnvironmentClient) ChangeUserPassword(
	ctx context.Context,
	id, password string,
) error {
	d := VirtualEnvironmentUserChangePasswordRequestBody{
		ID:       id,
		Password: password,
	}

	return c.DoRequest(ctx, http.MethodPut, "access/password", d, nil)
}

// CreateUser creates a user.
func (c *VirtualEnvironmentClient) CreateUser(
	ctx context.Context,
	d *VirtualEnvironmentUserCreateRequestBody,
) error {
	return c.DoRequest(ctx, http.MethodPost, "access/users", d, nil)
}

// DeleteUser deletes an  user.
func (c *VirtualEnvironmentClient) DeleteUser(ctx context.Context, id string) error {
	return c.DoRequest(ctx, http.MethodDelete, fmt.Sprintf("access/users/%s", url.PathEscape(id)), nil, nil)
}

// GetUser retrieves a user.
func (c *VirtualEnvironmentClient) GetUser(
	ctx context.Context,
	id string,
) (*VirtualEnvironmentUserGetResponseData, error) {
	resBody := &VirtualEnvironmentUserGetResponseBody{}
	err := c.DoRequest(ctx, http.MethodGet, fmt.Sprintf("access/users/%s", url.PathEscape(id)), nil, resBody)
	if err != nil {
		return nil, err
	}

	if resBody.Data == nil {
		return nil, errors.New("the server did not include a data object in the response")
	}

	if resBody.Data.ExpirationDate != nil {
		expirationDate := types.CustomTimestamp(time.Time(*resBody.Data.ExpirationDate).UTC())
		resBody.Data.ExpirationDate = &expirationDate
	}

	if resBody.Data.Groups != nil {
		sort.Strings(*resBody.Data.Groups)
	}

	return resBody.Data, nil
}

// ListUsers retrieves a list of users.
func (c *VirtualEnvironmentClient) ListUsers(
	ctx context.Context,
) ([]*VirtualEnvironmentUserListResponseData, error) {
	resBody := &VirtualEnvironmentUserListResponseBody{}
	err := c.DoRequest(ctx, http.MethodGet, "access/users", nil, resBody)
	if err != nil {
		return nil, err
	}

	if resBody.Data == nil {
		return nil, errors.New("the server did not include a data object in the response")
	}

	sort.Slice(resBody.Data, func(i, j int) bool {
		return resBody.Data[i].ID < resBody.Data[j].ID
	})

	for i := range resBody.Data {
		if resBody.Data[i].ExpirationDate != nil {
			expirationDate := types.CustomTimestamp(time.Time(*resBody.Data[i].ExpirationDate).UTC())
			resBody.Data[i].ExpirationDate = &expirationDate
		}

		if resBody.Data[i].Groups != nil {
			sort.Strings(*resBody.Data[i].Groups)
		}
	}

	return resBody.Data, nil
}

// UpdateUser updates a user.
func (c *VirtualEnvironmentClient) UpdateUser(
	ctx context.Context,
	id string,
	d *VirtualEnvironmentUserUpdateRequestBody,
) error {
	return c.DoRequest(ctx, http.MethodPut, fmt.Sprintf("access/users/%s", url.PathEscape(id)), d, nil)
}