Refactor colors to simplify their definition and not do things twice

app/src/main/java/com/infomaniak/swisstransfer/ui/theme/ColorDark.kt

@@ -18,6 +18,7 @@
 
 package com.infomaniak.swisstransfer.ui.theme
 
+import androidx.compose.material3.darkColorScheme
 import androidx.compose.ui.graphics.Color
 
 // Palette
@@ -36,21 +37,22 @@ private const val specific2 = 0xFF334117
 private const val specific3 = 0xFF503E0F
 private const val specific4 = 0xFFEAC35D
 
-// Roles
-val dark_primary = Color(green_main)
-val dark_onPrimary = Color(dark1)
-val dark_secondaryContainer = Color(dark3)
-val dark_onSecondaryContainer = Color(green_main)
-val dark_tertiary = Color(green_dark)
-val dark_onTertiary = Color(green_main)
-
-val dark_background = Color(dark1)
-val dark_surface = dark_background
-val dark_onSurface = Color(green_main)
-val dark_onSurfaceVariant = Color(rabbit)
-val dark_surfaceContainerHighest = Color(dark2)
-
-val DarkColors = CustomColors(
+val DarkColorScheme = darkColorScheme(
+    primary = Color(green_main),
+    onPrimary = Color(dark1),
+    secondaryContainer = Color(dark3),
+    onSecondaryContainer = Color(green_main),
+    tertiary = Color(green_dark),
+    onTertiary = Color(green_main),
+
+    background = Color(dark1),
+    surface = Color(dark1), // Same value as background
+    onSurface = Color(green_main),
+    onSurfaceVariant = Color(rabbit),
+    surfaceContainerHighest = Color(dark2),
+)
+
+val CustomDarkColorScheme = CustomColorScheme(
     primaryTextColor = Color(rabbit),
     secondaryTextColor = Color(shark),
     navigationItemBackground = Color(dark2),

app/src/main/java/com/infomaniak/swisstransfer/ui/theme/ColorLight.kt

@@ -18,6 +18,7 @@
 
 package com.infomaniak.swisstransfer.ui.theme
 
+import androidx.compose.material3.lightColorScheme
 import androidx.compose.ui.graphics.Color
 
 // Palette
@@ -41,23 +42,24 @@ private const val specific4 = 0xFFCF9E1B
 private const val on_primary = 0xFFF7FCFA
 private const val white = 0xFFFFFFFF
 
-// Roles
-val light_primary = Color(green_main)
-val light_onPrimary = Color(on_primary)
-val light_secondaryContainer = Color(green_secondary)
-val light_onSecondaryContainer = Color(green_main)
-val light_tertiary = Color(green_dark)
-val light_onTertiary = Color(green_contrast)
-
-val light_background = Color(white)
-val light_surface = light_background
-val light_onSurface = Color(green_main)
-val light_onSurfaceVariant = Color(green_dark)
-val light_surfaceContainerHighest = Color(polar_bear)
-
-val LightColors = CustomColors(
+val LightColorScheme = lightColorScheme(
+    primary = Color(green_main),
+    onPrimary = Color(on_primary),
+    secondaryContainer = Color(green_secondary),
+    onSecondaryContainer = Color(green_main),
+    tertiary = Color(green_dark),
+    onTertiary = Color(green_contrast),
+
+    background = Color(white),
+    surface = Color(white), // Same value as background
+    onSurface = Color(green_main),
+    onSurfaceVariant = Color(green_dark),
+    surfaceContainerHighest = Color(polar_bear),
+)
+
+val CustomLightColorScheme = CustomColorScheme(
     primaryTextColor = Color(orca),
     secondaryTextColor = Color(elephant),
-    navigationItemBackground = light_background,
+    navigationItemBackground = LightColorScheme.background,
     divider = Color(mouse),
 )

app/src/main/java/com/infomaniak/swisstransfer/ui/theme/Theme.kt

@@ -19,51 +19,25 @@
 package com.infomaniak.swisstransfer.ui.theme
 
 import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.material3.*
+import androidx.compose.material3.ColorScheme
+import androidx.compose.material3.LocalTextStyle
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.*
 import androidx.compose.ui.graphics.Color
 
-private val DarkColorScheme = darkColorScheme(
-    primary = dark_primary,
-    onPrimary = dark_onPrimary,
-    secondaryContainer = dark_secondaryContainer,
-    onSecondaryContainer = dark_onSecondaryContainer,
-    tertiary = dark_tertiary,
-    onTertiary = dark_onTertiary,
-    background = dark_background,
-    surface = dark_surface,
-    onSurface = dark_onSurface,
-    onSurfaceVariant = dark_onSurfaceVariant,
-    surfaceContainerHighest = dark_surfaceContainerHighest,
-)
-
-private val LightColorScheme = lightColorScheme(
-    primary = light_primary,
-    onPrimary = light_onPrimary,
-    secondaryContainer = light_secondaryContainer,
-    onSecondaryContainer = light_onSecondaryContainer,
-    tertiary = light_tertiary,
-    onTertiary = light_onTertiary,
-    background = light_background,
-    surface = light_surface,
-    onSurface = light_onSurface,
-    onSurfaceVariant = light_onSurfaceVariant,
-    surfaceContainerHighest = light_surfaceContainerHighest,
-)
-
 val LocalCustomTypography = staticCompositionLocalOf { Typography }
-val LocalCustomColors: ProvidableCompositionLocal<CustomColors> = staticCompositionLocalOf { CustomColors() }
+val LocalCustomColorScheme: ProvidableCompositionLocal<CustomColorScheme> = staticCompositionLocalOf { CustomColorScheme() }
 
 @Composable
 fun SwissTransferTheme(
     darkTheme: Boolean = isSystemInDarkTheme(),
     content: @Composable () -> Unit,
 ) {
-    val customColors = if (darkTheme) DarkColors else LightColors
+    val customColors = if (darkTheme) CustomDarkColorScheme else CustomLightColorScheme
     CompositionLocalProvider(
         LocalCustomTypography provides Typography,
         LocalTextStyle provides Typography.bodyRegular,
-        LocalCustomColors provides customColors,
+        LocalCustomColorScheme provides customColors,
     ) {
         MaterialTheme(
             colorScheme = if (darkTheme) DarkColorScheme else LightColorScheme,
@@ -77,16 +51,16 @@ object SwissTransferTheme {
     val typography: CustomTypography
         @Composable
         get() = LocalCustomTypography.current
-    val colors: CustomColors
+    val colors: CustomColorScheme
         @Composable
-        get() = LocalCustomColors.current
+        get() = LocalCustomColorScheme.current
     val materialColors: ColorScheme
         @Composable
         get() = MaterialTheme.colorScheme
 }
 
 @Immutable
-data class CustomColors(
+data class CustomColorScheme(
     val primaryTextColor: Color = Color.Unspecified,
     val secondaryTextColor: Color = Color.Unspecified,
     val navigationItemBackground: Color = Color.Unspecified,