@file:Suppress("HardCodedStringLiteral")

package eu.gaudian.translator.viewmodel

import org.junit.Assert.assertNotNull
import org.junit.Assert.assertTrue
import org.junit.Test

class SettingsViewModelTest {

    @Test
    fun `SettingsViewModel class exists and has expected structure`() {
        // Given - Get the ViewModel class
        val viewModelClass = SettingsViewModel::class.java

        // Then - Class should exist
        assertNotNull(viewModelClass)

        // Should be a ViewModel (extends AndroidViewModel)
        assertTrue("Should extend AndroidViewModel",
            androidx.lifecycle.AndroidViewModel::class.java.isAssignableFrom(viewModelClass))
    }

    @Test
    fun `SettingsViewModel has expected constructor parameters`() {
        // Given - Get the ViewModel class
        val viewModelClass = SettingsViewModel::class.java

        // Then - Should have a constructor that takes Application and the four dependencies
        val constructors = viewModelClass.constructors
        assertTrue("Should have at least one constructor", constructors.isNotEmpty())

        // Check if any constructor has the expected parameter types
        val hasExpectedConstructor = constructors.any { constructor ->
            val parameterTypes = constructor.parameterTypes
            parameterTypes.size >= 5 && // Application + 4 dependencies
            parameterTypes.any { it.simpleName == "Application" }
        }
        assertTrue("Should have constructor with Application and dependencies", hasExpectedConstructor)
    }

    @Test
    fun `SettingsViewModel declares expected properties`() {
        // Given - Get the ViewModel class
        val viewModelClass = SettingsViewModel::class.java

        // Then - Should declare all the expected properties
        val declaredFields = viewModelClass.declaredFields.map { it.name }

        // Check for some key properties
        assertTrue("Should have theme property",
            declaredFields.any { it.contains("theme") } ||
            viewModelClass.methods.any { it.name == "getTheme" })

        assertTrue("Should have apiKeyManagementState property",
            declaredFields.any { it.contains("apiKeyManagementState") } ||
            viewModelClass.methods.any { it.name == "getApiKeyManagementState" })

        assertTrue("Should have apiLogs property",
            declaredFields.any { it.contains("apiLogs") } ||
            viewModelClass.methods.any { it.name == "getApiLogs" })
    }

    @Test
    fun `SettingsViewModel has expected public methods`() {
        // Given - Get the ViewModel class
        val viewModelClass = SettingsViewModel::class.java

        // Then - Should have all the expected public methods
        val publicMethods = viewModelClass.methods.map { it.name }

        // Check for some key methods
        assertTrue("Should have setTheme method", publicMethods.contains("setTheme"))
        assertTrue("Should have setDarkModePreference method", publicMethods.contains("setDarkModePreference"))
        assertTrue("Should have saveCustomPrompt method", publicMethods.contains("saveCustomPrompt"))
        assertTrue("Should have clearApiLogs method", publicMethods.contains("clearApiLogs"))
        assertTrue("Should have saveWidgetOrder method", publicMethods.contains("saveWidgetOrder"))
    }
}
