package com.peachpasswords.passkeys

import java.io.File
import org.junit.Assert.assertFalse
import org.junit.Assert.assertTrue
import org.junit.Test

class CredentialProviderContractTest {
    @Test
    fun authenticationActionPendingIntentIsMutableForFrameworkRequestAttachment() {
        val source = source("passkeys/PasskeyUnlockIntent.kt")

        assertTrue(source.contains("PendingIntent.FLAG_MUTABLE"))
        assertFalse(source.contains("PendingIntent.FLAG_IMMUTABLE"))
    }

    @Test
    fun selectionPrefersTheFinalFrameworkOrigin() {
        assertTrue(
            selectionOrigin("https://github.com", "https://example.com") ==
                "https://github.com",
        )
    }

    @Test
    fun selectionRetainsAuthenticatedBeginRequestOriginWhenOemOmitsFinalRequest() {
        assertTrue(
            selectionOrigin(null, "https://github.com") == "https://github.com",
        )
    }

    @Test
    fun selectionStillFailsClosedWithoutAnyVerifiedOrigin() {
        assertTrue(selectionOrigin(null, null) == null)
        assertTrue(selectionOrigin("  ", "") == null)
    }

    @Test
    fun selectionRetainsAuthenticatedBeginRequestHashWhenOemOmitsFinalRequest() {
        val authenticatedHash = byteArrayOf(1, 2, 3)

        assertTrue(selectionClientDataHash(null, authenticatedHash)!!.contentEquals(authenticatedHash))
    }

    @Test
    fun selectionKeepsTheAuthenticatedBeginHashWhenSamsungReplacesFinalHash() {
        val frameworkHash = byteArrayOf(4, 5, 6)
        val authenticatedHash = byteArrayOf(1, 2, 3)

        assertTrue(
            selectionClientDataHash(frameworkHash, authenticatedHash)!!
                .contentEquals(authenticatedHash),
        )
    }

    @Test
    fun providerOffersAnExplicitManualPasskeyChooser() {
        val service = source("passkeys/PeachCredentialProviderService.kt")
        val unlock = source("credentials/CredentialProviderUnlockActivity.kt")
        val selection = source("passkeys/PasskeyCredentialSelectionActivity.kt")

        assertTrue(service.contains("Choose another Peach passkey"))
        assertTrue(unlock.contains("Choose another Peach passkey"))
        assertTrue(selection.contains("retrieveBeginGetCredentialRequest(intent)"))
        assertTrue(selection.contains("PasskeyCredentialPlanner.candidates"))
    }

    private fun source(relativePath: String): String =
        File("src/main/java/com/peachpasswords/$relativePath").readText()
}