package com.peachpasswords.vault

import org.junit.Assert.assertEquals
import org.junit.Assert.assertFalse
import org.junit.Assert.assertTrue
import org.junit.Test

/**
 * Gate for the new-install default. The Credential Manager provider is on by
 * default for fresh installs so users get passkey sign-in without having to
 * dig into Settings. Existing users who explicitly disabled it must stay
 * off — the stored value is preserved over the default (see [VaultStore]
 * which falls back to [VaultSettings] only when nothing is on disk).
 */
class VaultSettingsDefaultsTest {

    @Test fun new_install_default_has_passkey_enabled() {
        assertTrue(
            "first-launch default must enable passkey provider — user said 'q2 is correct'",
            VaultSettings().passkeyProviderEnabled,
        )
    }

    @Test fun explicitly_disabled_setting_round_trips_through_codec() {
        val original = VaultSettings(passkeyProviderEnabled = false)
        val encoded = VaultCodec.encodeSettings(original)
        val decoded = VaultCodec.decodeSettings(encoded)
        assertEquals(original, decoded)
        assertFalse("explicit off must not be auto-flipped to on by load", decoded!!.passkeyProviderEnabled)
    }

    @Test fun explicitly_enabled_setting_round_trips_through_codec() {
        val original = VaultSettings(passkeyProviderEnabled = true)
        val encoded = VaultCodec.encodeSettings(original)
        val decoded = VaultCodec.decodeSettings(encoded)
        assertEquals(original, decoded)
    }

    @Test fun legacy_enabled_favicons_doNotGainConsentByUpgrade() {
        val legacy = VaultCodec.decodeSettings("{\"faviconsEnabled\":true}")!!

        assertEquals(0, legacy.faviconConsentVersion)
        assertFalse(faviconsAllowed(legacy))
    }

    @Test fun currentExplicitConsentAllowsEnabledFavicons() {
        val consented = grantCurrentFaviconConsent(VaultSettings())

        assertTrue(consented.faviconsEnabled)
        assertEquals(CURRENT_FAVICON_CONSENT_VERSION, consented.faviconConsentVersion)
        assertTrue(faviconsAllowed(consented))
    }

    @Test fun disabledFaviconsStayOffAfterPriorConsent() {
        val disabled = grantCurrentFaviconConsent(VaultSettings()).copy(faviconsEnabled = false)

        assertFalse(faviconsAllowed(disabled))
    }
}