package org.shahondin1624

import androidx.compose.foundation.layout.BoxWithConstraints
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.width
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.ui.Modifier
import androidx.compose.ui.test.ExperimentalTestApi
import androidx.compose.ui.test.assertIsDisplayed
import androidx.compose.ui.test.onAllNodesWithTag
import androidx.compose.ui.test.onNodeWithTag
import androidx.compose.ui.test.performClick
import androidx.compose.ui.test.runComposeUiTest
import androidx.compose.ui.unit.dp
import org.shahondin1624.lib.components.TestTags
import org.shahondin1624.theme.LocalWindowSizeClass
import org.shahondin1624.theme.WindowSizeClass
import kotlin.test.Test
import kotlin.test.assertEquals

/**
 * Tests that the correct navigation mode is rendered at each window size class.
 */
@OptIn(ExperimentalTestApi::class)
class ResponsiveNavigationModeTest {

    @Test
    fun compactShowsModalDrawerHiddenByDefault() = runComposeUiTest {
        setContent {
            App()
        }

        waitForIdle()

        // Hamburger menu button should be visible
        onNodeWithTag(TestTags.MENU_BUTTON).assertIsDisplayed()

        // Navigation rail and permanent drawer should not exist
        assertEquals(
            0,
            onAllNodesWithTag(TestTags.NAV_RAIL).fetchSemanticsNodes().size,
            "NavigationRail should not be present in compact mode"
        )
        assertEquals(
            0,
            onAllNodesWithTag(TestTags.NAV_PERMANENT_DRAWER).fetchSemanticsNodes().size,
            "PermanentDrawer should not be present in compact mode"
        )
    }

    @Test
    fun compactDrawerAppearsOnMenuTap() = runComposeUiTest {
        setContent {
            App()
        }

        waitForIdle()

        // Tap hamburger
        onNodeWithTag(TestTags.MENU_BUTTON).performClick()
        waitForIdle()

        // Drawer content should now be visible
        onNodeWithTag(TestTags.NAV_CHARACTER_SHEET).assertIsDisplayed()
        onNodeWithTag(TestTags.NAV_SETTINGS).assertIsDisplayed()
    }

    @Test
    fun expandedShowsPermanentSidebar() = runComposeUiTest {
        setContent {
            // Force expanded size class by wrapping in a wide box
            CompositionLocalProvider(LocalWindowSizeClass provides WindowSizeClass.Expanded) {
                BoxWithConstraints(modifier = Modifier.width(1200.dp).fillMaxSize()) {
                    App()
                }
            }
        }

        waitForIdle()

        // Permanent drawer should be visible
        onNodeWithTag(TestTags.NAV_PERMANENT_DRAWER).assertIsDisplayed()

        // Hamburger menu button should not exist
        assertEquals(
            0,
            onAllNodesWithTag(TestTags.MENU_BUTTON).fetchSemanticsNodes().size,
            "Menu button should not be present in expanded mode"
        )

        // Navigation items always visible
        onNodeWithTag(TestTags.NAV_CHARACTER_SHEET).assertIsDisplayed()
        onNodeWithTag(TestTags.NAV_SETTINGS).assertIsDisplayed()
    }
}