// SPDX-License-Identifier: AGPL-3.0-or-later

import {requireAdminACL} from '@app/api/middleware/AdminMiddleware';
import {RateLimitMiddleware} from '@app/api/middleware/RateLimitMiddleware';
import {OpenAPI} from '@app/api/middleware/ResponseTypeMiddleware';
import {RateLimitConfigs} from '@app/api/RateLimitConfig';
import type {HonoApp} from '@app/api/types/HonoEnv';
import {Validator} from '@app/api/Validator';
import {AdminACLs} from '@fluxer/constants/src/AdminACLs';
import {SendSystemDmRequest, SendSystemDmResponse} from '@fluxer/schema/src/domains/admin/AdminSchemas';

export function SystemDmAdminController(app: HonoApp) {
	app.post(
		'/admin/system-dms',
		RateLimitMiddleware(RateLimitConfigs.ADMIN_MESSAGE_OPERATION),
		requireAdminACL(AdminACLs.SYSTEM_DM_SEND),
		Validator('json', SendSystemDmRequest),
		OpenAPI({
			operationId: 'create_admin_system_dm',
			summary: 'Send a system direct message',
			responseSchema: SendSystemDmResponse,
			statusCode: 200,
			security: 'adminApiKey',
			tags: 'Admin',
			description:
				'Queue a worker job that delivers the same content to every listed user, or to every user when all_users is set, as a direct message from the system account. Progress is observable through the Jobs admin resource (task_type=sendSystemDm), and an in-flight broadcast is stopped by cancelling that job. Requires SYSTEM_DM_SEND permission.',
		}),
		async (ctx) => {
			const adminService = ctx.get('adminService');
			const adminUserId = ctx.get('adminUserId');
			const auditLogReason = ctx.get('auditLogReason');
			const payload = ctx.req.valid('json');
			const result = await adminService.sendSystemDm(
				{
					content: payload.content,
					recipients: payload.all_users
						? {kind: 'all'}
						: {kind: 'list', userIds: (payload.user_ids ?? []).map((id) => id.toString())},
				},
				adminUserId,
				auditLogReason,
			);
			return ctx.json(result);
		},
	);
}