AppTypography.kt

package ru.llama.core.presentation.theme

import androidx.compose.material.Typography
import androidx.compose.runtime.Immutable
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.text.font.Font
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.sp
import ru.llama.core.R

@Immutable
data class AppTypography(
    val materialTypography: Typography,
    val appTitle: TextStyle,
    val welcomeMessage: TextStyle,
    val h1: TextStyle,
    val body1Medium: TextStyle,
    val body1Regular: TextStyle,
    val body1Bold: TextStyle,
    val body2Medium: TextStyle,
    val body2Regular: TextStyle,
    val button: TextStyle,
    val caption: TextStyle,
    val overline: TextStyle,
)

fun defaultAppTypography(): AppTypography =
    appTypography(TextStyles(defaultAppColors()))

fun appTypography(style: TextStyles): AppTypography =
    AppTypography(
        materialTypography = Typography(),
        appTitle = style.headline,
        welcomeMessage = style.headline2,
        h1 = style.headline1,
        body1Medium = style.body1Medium,
        body1Regular = style.body1Regular,
        body1Bold = style.body1Bold,
        body2Medium = style.body2Medium,
        body2Regular = style.body2Regular,
        button = style.button,
        caption = style.caption,
        overline = style.overLine,
    )

class TextStyles(val colors: AppColors) {

    val headline = TextStyle(
        fontFamily = FontFamily(
            Font(R.font.custom_sans_text_bold, FontWeight.Bold)
        ),
        fontWeight = FontWeight.Bold,
        fontSize = 32.sp,
        letterSpacing = (-1.22).sp,
        color = colors.onSurface
    )

    val headline2 = TextStyle(
        fontFamily = FontFamily(
            Font(R.font.custom_sans_text_bold, FontWeight.Bold)
        ),
        fontWeight = FontWeight.Bold,
        fontSize = 24.sp,
        letterSpacing = (-0.54).sp,
    )

    val headline1 = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Medium,
        fontSize = 20.sp,
        letterSpacing = 0.17.sp,
    )

    val body1Medium = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Medium,
        fontSize = 16.sp,
        letterSpacing = 0.17.sp,
    )

    val body1Regular = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Normal,
        fontSize = 16.sp,
        letterSpacing = 0.17.sp,
    )

    val body1Bold = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Bold,
        fontSize = 11.sp,
        letterSpacing = 3.sp,
    )

    val body2Medium = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Medium,
        fontSize = 14.sp,
        letterSpacing = 0.02.sp,
    )

    val body2Regular = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Normal,
        fontSize = 14.sp,
        letterSpacing = 0.35.sp,
    )

    val overLine = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Normal,
        fontSize = 14.sp,
        letterSpacing = 0.08.sp,
    )

    val caption = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Normal,
        fontSize = 12.sp,
        letterSpacing = 0.12.sp,
    )

    val button = TextStyle(
        fontFamily = FontFamily.SansSerif,
        fontWeight = FontWeight.Medium,
        fontSize = 14.sp,
        letterSpacing = 1.5.sp,
    )
}