import test from 'node:test'
import assert from 'node:assert/strict'
import { readFile } from 'node:fs/promises'

import {
	SCAN_BROADCAST_ACTION,
	SCAN_BROADCAST_EXTRA,
	isDuplicateScan,
	normalizeScanValue,
	resetScanDeduplication
} from '../src/utils/scan-broadcast.js'

test('scanner uses the confirmed PDA broadcast contract', () => {
	assert.equal(SCAN_BROADCAST_ACTION, 'android.intent.action.SCANRESULT')
	assert.equal(SCAN_BROADCAST_EXTRA, 'value')
	assert.equal(normalizeScanValue('  EL-38201\r\n'), 'EL-38201')
	assert.equal(normalizeScanValue(null), '')
})

test('scanner source keeps receiver diagnostics before page routing', async () => {
	const source = await readFile(new URL('../src/utils/scan-broadcast.js', import.meta.url), 'utf8')
	assert.match(source, /\[Overseas PDA broadcast\] received/)
	assert.match(source, /rawValue[\s\S]*value/)
	assert.match(source, /ignored duplicate/)
	assert.match(source, /receive failed/)
	assert.match(source, /receiver registered/)
	assert.match(source, /registration failed/)
	assert.match(source, /activity\.getPackageName\(\)/)
})

test('scanner drops only immediate duplicate broadcasts', () => {
	resetScanDeduplication()
	assert.equal(isDuplicateScan('EL-38201', 1000), false)
	assert.equal(isDuplicateScan('EL-38201', 1050), true)
	assert.equal(isDuplicateScan('EL-38201', 1100), false)
	assert.equal(isDuplicateScan('EL-38202', 1110), false)
})