/**
 * rSchedule Automerge document schemas.
 *
 * Granularity: one Automerge document per space (all jobs + execution log).
 * DocId format: {space}:schedule:jobs
 */

import type { DocSchema } from '../../shared/local-first/document';

// ── Document types ──

export type ActionType = 'email' | 'webhook' | 'calendar-event' | 'broadcast' | 'backlog-briefing' | 'calendar-reminder';

export interface ScheduleJob {
	id: string;
	name: string;
	description: string;
	enabled: boolean;

	// Timing
	cronExpression: string;
	timezone: string;

	// Action
	actionType: ActionType;
	actionConfig: Record<string, unknown>;

	// Execution state
	lastRunAt: number | null;
	lastRunStatus: 'success' | 'error' | null;
	lastRunMessage: string;
	nextRunAt: number | null;
	runCount: number;

	// Metadata
	createdBy: string;
	createdAt: number;
	updatedAt: number;
}

export interface ExecutionLogEntry {
	id: string;
	jobId: string;
	status: 'success' | 'error';
	message: string;
	durationMs: number;
	timestamp: number;
}

export interface Reminder {
	id: string;
	title: string;
	description: string;
	remindAt: number;          // epoch ms — when to fire
	allDay: boolean;
	timezone: string;
	notifyEmail: string | null;
	notified: boolean;         // has email been sent?
	completed: boolean;        // dismissed by user?

	// Cross-module reference (null for free-form reminders)
	sourceModule: string | null;   // "rwork", "rnotes", etc.
	sourceEntityId: string | null;
	sourceLabel: string | null;    // "rWork Task"
	sourceColor: string | null;    // "#f97316"

	// Optional recurrence
	cronExpression: string | null;

	// Link to rCal event (bidirectional)
	calendarEventId: string | null;

	createdBy: string;
	createdAt: number;
	updatedAt: number;
}

export interface ScheduleDoc {
	meta: {
		module: string;
		collection: string;
		version: number;
		spaceSlug: string;
		createdAt: number;
	};
	jobs: Record<string, ScheduleJob>;
	reminders: Record<string, Reminder>;
	log: ExecutionLogEntry[];
}

// ── Schema registration ──

export const scheduleSchema: DocSchema<ScheduleDoc> = {
	module: 'schedule',
	collection: 'jobs',
	version: 1,
	init: (): ScheduleDoc => ({
		meta: {
			module: 'schedule',
			collection: 'jobs',
			version: 1,
			spaceSlug: '',
			createdAt: Date.now(),
		},
		jobs: {},
		reminders: {},
		log: [],
	}),
};

// ── Helpers ──

export function scheduleDocId(space: string) {
	return `${space}:schedule:jobs` as const;
}

/** Maximum execution log entries to keep per doc */
export const MAX_LOG_ENTRIES = 200;

/** Maximum reminders per space */
export const MAX_REMINDERS = 500;