package com.peachpasswords.ui.theme

import androidx.compose.ui.graphics.Color
import org.junit.Assert.assertEquals
import org.junit.Assert.assertFalse
import org.junit.Assert.assertNotEquals
import org.junit.Assert.assertTrue
import org.junit.Test

/**
 * Light-theme regression lock (F brief). The light theme is wired through
 * [peachDark] / [peachLight] + [LocalPeachColors]; these pin the palette factories
 * so a future change can't silently reintroduce the dark-only singleton or turn
 * the warm parchment background into flat white.
 */
class PeachPaletteTest {

    @Test fun dark_palette_is_marked_dark() {
        assertTrue(peachDark().isDark)
    }

    @Test fun light_palette_is_marked_light() {
        assertFalse(peachLight().isDark)
    }

    @Test fun light_background_is_warm_parchment_not_white() {
        assertEquals(Color(0xFFEFEEE9), peachLight().Bg)
        assertNotEquals(Color.White, peachLight().Bg)
    }

    @Test fun dark_background_is_near_black() {
        assertEquals(Color(0xFF0C0A06), peachDark().Bg)
    }

    @Test fun text_inverts_between_themes() {
        // Dark T0 is light parchment text; light T0 is near-black ink.
        assertEquals(Color(0xFFF0E8D8), peachDark().T0)
        assertEquals(Color(0xFF1A1208), peachLight().T0)
        assertNotEquals(peachDark().T0, peachLight().T0)
    }

    @Test fun accent_is_carried_into_both_palettes() {
        val custom = Color(0xFF123456)
        assertEquals(custom, peachDark(custom).Accent)
        assertEquals(custom, peachLight(custom).Accent)
    }

    @Test fun default_accent_used_when_unspecified() {
        assertEquals(DEFAULT_ACCENT, peachDark().Accent)
        assertEquals(DEFAULT_ACCENT, peachLight().Accent)
    }

    @Test fun light_and_dark_surfaces_differ() {
        assertNotEquals(peachDark().S1, peachLight().S1)
        assertNotEquals(peachDark().SurfaceElevated, peachLight().SurfaceElevated)
    }
}