import { denverDayKey, truncate } from './shared.ts'
import { recordOutcome as writeOutcome } from './storage.ts'

export type RecordOutcomeInput = {
	outcome: 'fixed' | 'skipped' | 'closed' | 'failed'
	summary: string
	prUrl?: string
	agentId?: string
}

const allowedOutcomes = new Set(['fixed', 'skipped', 'closed', 'failed'])

/**
 * Final report from the friction-log Cloud Agent.
 */
export default async function recordOutcome(input: RecordOutcomeInput) {
	const outcome = String(input?.outcome || '')
	if (!allowedOutcomes.has(outcome)) {
		throw new Error(`outcome must be one of ${[...allowedOutcomes].join(', ')}`)
	}
	const summary = truncate(input?.summary, 600).trim()
	if (!summary) throw new Error('summary is required')
	const agentId = String(input?.agentId || '').trim()
	if (!agentId) throw new Error('agentId is required')

	const record = {
		agent_id: agentId,
		day: denverDayKey(),
		outcome,
		summary,
		pr_url: input.prUrl ? String(input.prUrl) : null,
		completed_at: new Date().toISOString(),
	}
	await writeOutcome(record)
	return { ok: true, ...record }
}