Text customizer

TextCustomizer.kt

import android.text.Spanned
import androidx.core.text.HtmlCompat

class TextCustomizer {

    class Builder(private val allText: String) {

        private val parts = arrayListOf<Pair<String, Customize>>()

        fun addTextToReplace(part: String, customize: Customize)= apply {
            parts.add(Pair(part, customize))
        }

        fun addListToReplace(items: List<Pair<String, Customize>>) = apply {
            parts.addAll(items)
        }

        fun apply(): Spanned {
            var result = allText
            parts.map { part ->
                var text = part.first
                if (part.second.isItalic) text = String.format("<i>%s</i>", text)
                if (part.second.isBold) text = String.format("<b>%s</b>", text)
                if (part.second.isUnderline) text = String.format("<u>%s</u>", text)
                part.second.hexColor?.let {
                    text = String.format("<font color='${part.second.hexColor}'>%s</font>", text)
                }
                result = result.replace(part.first, text)
            }
            return HtmlCompat.fromHtml(result, HtmlCompat.FROM_HTML_MODE_COMPACT)
        }
    }
}