package com.anas4tech.noteable

import android.content.Context
import android.content.SharedPreferences
import android.content.res.Configuration

/** Shared palette for Android home-screen widgets and the floating edge widget. */
internal object WidgetTheme {
    const val PREFERENCES = "HomeWidgetPreferences"
    const val THEME_MODE_KEY = "noteable_theme_mode"

    data class Palette(
        val mode: String,
        val isDark: Boolean,
        val background: Int,
        val primaryText: Int,
        val secondaryText: Int,
        val border: Int,
        val divider: Int,
        val accent: Int,
        val accentSoft: Int,
        val accentText: Int,
        val neutralBackground: Int,
        val neutralText: Int,
        val noteIconBackground: Int,
        val noteIconText: Int,
        val checkboxTint: Int,
        val edgeHandle: Int,
        val backgroundResource: Int
    ) {
        val followsSystem: Boolean get() = mode == "system"
    }

    fun palette(
        context: Context,
        preferences: SharedPreferences = context.getSharedPreferences(PREFERENCES, Context.MODE_PRIVATE)
    ): Palette {
        val mode = preferences.getString(THEME_MODE_KEY, "system")
            ?.lowercase()
            ?.takeIf { it == "light" || it == "dark" || it == "system" }
            ?: "system"
        val systemDark = (context.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK) ==
            Configuration.UI_MODE_NIGHT_YES
        val dark = when (mode) {
            "dark" -> true
            "light" -> false
            else -> systemDark
        }

        return if (dark) {
            Palette(
                mode = mode,
                isDark = true,
                background = 0xFF202124.toInt(),
                primaryText = 0xFFE8EAED.toInt(),
                secondaryText = 0xFFBDC1C6.toInt(),
                border = 0xFF44474E.toInt(),
                divider = 0xFF3C4043.toInt(),
                accent = 0xFF8AB4F8.toInt(),
                accentSoft = 0xFF26374B.toInt(),
                accentText = 0xFF8AB4F8.toInt(),
                neutralBackground = 0xFF303134.toInt(),
                neutralText = 0xFFDADCE0.toInt(),
                noteIconBackground = 0xFF26374B.toInt(),
                noteIconText = 0xFFB9D4FC.toInt(),
                checkboxTint = 0xFF9BBFE9.toInt(),
                edgeHandle = 0xFF405563.toInt(),
                backgroundResource = if (mode == "system") R.drawable.note_widget_background else R.drawable.note_widget_background_dark
            )
        } else {
            Palette(
                mode = mode,
                isDark = false,
                background = 0xFFFFFFFF.toInt(),
                primaryText = 0xFF222222.toInt(),
                secondaryText = 0xFF555555.toInt(),
                border = 0xFFDADCE0.toInt(),
                divider = 0xFFE6E6E6.toInt(),
                accent = 0xFF2878E8.toInt(),
                accentSoft = 0xFFDCEAFE.toInt(),
                accentText = 0xFF075BC7.toInt(),
                neutralBackground = 0xFFF0F3F7.toInt(),
                neutralText = 0xFF4B5563.toInt(),
                noteIconBackground = 0xFFE5EFFD.toInt(),
                noteIconText = 0xFF315579.toInt(),
                checkboxTint = 0xFF607D8B.toInt(),
                edgeHandle = 0xFF607D8B.toInt(),
                backgroundResource = if (mode == "system") R.drawable.note_widget_background else R.drawable.note_widget_background_light
            )
        }
    }
}