// ==========================================================================
//  Squidex Headless CMS
// ==========================================================================
//  Copyright (c) Squidex UG (haftungsbeschraenkt)
//  All rights reserved. Licensed under the MIT license.
// ==========================================================================

using Microsoft.AspNetCore.Mvc;
using Squidex.Areas.Api.Controllers.Backups.Models;
using Squidex.Domain.Apps.Entities.Backup;
using Squidex.Infrastructure;
using Squidex.Infrastructure.Commands;
using Squidex.Infrastructure.Security;
using Squidex.Infrastructure.Tasks;
using Squidex.Shared;
using Squidex.Web;

namespace Squidex.Areas.Api.Controllers.Backups
{
    /// <summary>
    /// Manages backups for apps.
    /// </summary>
    [ApiExplorerSettings(GroupName = nameof(Backups))]
    public class BackupsController : ApiController
    {
        private readonly IBackupService backupService;

        public BackupsController(ICommandBus commandBus, IBackupService backupService)
            : base(commandBus)
        {
            this.backupService = backupService;
        }

        /// <summary>
        /// Get all backup jobs.
        /// </summary>
        /// <param name="app">The name of the app.</param>
        /// <returns>
        /// 200 => Backups returned.
        /// 404 => App not found.
        /// </returns>
        [HttpGet]
        [Route("apps/{app}/backups/")]
        [ProducesResponseType(typeof(BackupJobsDto), StatusCodes.Status200OK)]
        [ApiPermissionOrAnonymous(Permissions.AppBackupsRead)]
        [ApiCosts(0)]
        public async Task<IActionResult> GetBackups(string app)
        {
            var jobs = await backupService.GetBackupsAsync(AppId, HttpContext.RequestAborted);

            var response = BackupJobsDto.FromDomain(jobs, Resources);

            return Ok(response);
        }

        /// <summary>
        /// Start a new backup.
        /// </summary>
        /// <param name="app">The name of the app.</param>
        /// <returns>
        /// 204 => Backup started.
        /// 400 => Backup contingent reached.
        /// 404 => App not found.
        /// </returns>
        [HttpPost]
        [Route("apps/{app}/backups/")]
        [ProducesResponseType(typeof(List<BackupJobDto>), StatusCodes.Status200OK)]
        [ApiPermissionOrAnonymous(Permissions.AppBackupsCreate)]
        [ApiCosts(0)]
        public IActionResult PostBackup(string app)
        {
            backupService.StartBackupAsync(App.Id, User.Token()!).Forget();

            return NoContent();
        }

        /// <summary>
        /// Delete a backup.
        /// </summary>
        /// <param name="app">The name of the app.</param>
        /// <param name="id">The id of the backup to delete.</param>
        /// <returns>
        /// 204 => Backup deleted.
        /// 404 => Backup or app not found.
        /// </returns>
        [HttpDelete]
        [Route("apps/{app}/backups/{id}")]
        [ProducesResponseType(typeof(List<BackupJobDto>), StatusCodes.Status200OK)]
        [ApiPermissionOrAnonymous(Permissions.AppBackupsDelete)]
        [ApiCosts(0)]
        public async Task<IActionResult> DeleteBackup(string app, DomainId id)
        {
            await backupService.DeleteBackupAsync(AppId, id, HttpContext.RequestAborted);

            return NoContent();
        }
    }
}