import { asanaRequest } from './client.ts'
import { mapStory, STORY_FIELDS } from './models.ts'
import type {
	AsanaAuthInput,
	AsanaStorySummary,
	DryRunResult,
	JsonRecord,
} from './types.ts'
import {
	compactRecord,
	optionalBoolean,
	optionalString,
	requireRecord,
	requireString,
} from './types.ts'
import { requireAuthMode } from './auth.ts'

export type CreateStoryInput = AsanaAuthInput & {
	/** Task GID to comment on. */
	taskGid: string
	/** Comment text. */
	text: string
	confirm?: boolean
	dryRun?: boolean
}

function storyCreatePayload(input: CreateStoryInput): { path: string; data: JsonRecord } {
	const taskGid = requireString(input.taskGid, 'taskGid')
	return {
		path: `/tasks/${encodeURIComponent(taskGid)}/stories`,
		data: compactRecord({
			text: requireString(input.text, 'text'),
		}),
	}
}

/**
 * Create an Asana story (comment) on a task. Requires `confirm: true`, or use
 * `dryRun: true`. Needs `stories:write`.
 * @example
 * import createStory from 'kody:@kody/asana/create-story'
 * const preview = await createStory({
 *   taskGid: '123',
 *   text: 'Shipped in #482.',
 *   dryRun: true,
 * })
 */
export async function createStory(
	input: CreateStoryInput,
): Promise<AsanaStorySummary | DryRunResult<{ method: string; path: string; data: JsonRecord }>> {
	const payload = storyCreatePayload(input)
	if (input.dryRun) {
		return { dryRun: true, wouldCall: { method: 'POST', ...payload } }
	}
	if (input.confirm !== true) {
		throw new Error(
			'Creating an Asana story requires confirm: true after explicit user approval, or dryRun: true.',
		)
	}

	const result = await asanaRequest<unknown>({
		...input,
		operation: 'stories.write',
		method: 'POST',
		path: payload.path,
		query: { opt_fields: STORY_FIELDS },
		body: payload.data,
	})
	if (!result.data) throw new Error('Asana create story did not return a story.')
	return mapStory(result.data)
}

/**
 * Create an Asana story (comment) on a task. Requires `confirm: true`, or use
 * `dryRun: true`.
 * @example
 * import createStory from 'kody:@kody/asana/create-story'
 * const preview = await createStory({ taskGid: '123', text: 'Noted', dryRun: true })
 */
export default async function createStoryEntrypoint(
	params: Partial<CreateStoryInput> & Record<string, unknown> = {},
) {
	const input = requireRecord(params, 'create-story')
	return createStory({
		taskGid: requireString(input.taskGid, 'taskGid'),
		text: requireString(input.text, 'text'),
		integrationName: optionalString(input.integrationName, 'integrationName'),
		integration: optionalString(input.integration, 'integration'),
		account: optionalString(input.account, 'account'),
		secretName: optionalString(input.secretName, 'secretName'),
		auth: requireAuthMode(input.auth),
		confirm: optionalBoolean(input.confirm, 'confirm'),
		dryRun: optionalBoolean(input.dryRun, 'dryRun'),
	})
}