import { parseAuth, requireAuthMode } from './auth.ts'
import { intercomRequest } from './client.ts'
import { inferOperationFromPath, intercomUrl, isMutatingMethod, isSearchPath } from './setup.ts'
import type { IntercomAuthInput, JsonRecord, MutationInput } from './types.ts'
import { optionalBoolean, optionalString, requireRecord, requireString } from './types.ts'

export type IntercomRawRequestInput = IntercomAuthInput &
	MutationInput & {
		path: string
		method?: string
		query?: JsonRecord
		body?: JsonRecord
	}

/**
 * Call the Intercom REST API with a saved OAuth integration or access token.
 * Search POST `/contacts/search` and `/conversations/search` are treated as
 * reads. Other mutating methods require `confirm: true`; use `dryRun: true`
 * to preview.
 * @example
 * import request from 'kody:@kody/intercom/request'
 * const result = await request({ path: '/contacts', query: { per_page: 5 } })
 */
export async function request(input: IntercomRawRequestInput) {
	const path = requireString(input.path, 'path')
	const method = (input.method ?? 'GET').toUpperCase()
	const mutating = isMutatingMethod(method) && !isSearchPath(path)
	if (input.dryRun) {
		return {
			dryRun: true as const,
			url: intercomUrl(path, input.query, input),
			method,
			operation: inferOperationFromPath(method, path),
			path,
			query: input.query ?? {},
			body: input.body ?? null,
			readOnly: !mutating,
		}
	}
	return intercomRequest({
		...input,
		path,
		method,
		operation: inferOperationFromPath(method, path),
	})
}

/**
 * Call the Intercom REST API with a saved OAuth integration or access token.
 * @example
 * import request from 'kody:@kody/intercom/request'
 * const result = await request({ path: '/me' })
 */
export default async function requestEntrypoint(
	params: Partial<IntercomRawRequestInput> & Record<string, unknown> = {},
) {
	const input = requireRecord(params, 'request')
	return request({
		...parseAuth(input),
		path: requireString(input.path, 'path'),
		method: optionalString(input.method, 'method'),
		query: input.query as JsonRecord | undefined,
		body: input.body as JsonRecord | undefined,
		auth: requireAuthMode(input.auth),
		confirm: optionalBoolean(input.confirm, 'confirm'),
		dryRun: optionalBoolean(input.dryRun, 'dryRun'),
	})
}