package com.craigvg.lichun_android.managers

import android.content.Context
import android.content.SharedPreferences
import dagger.hilt.android.qualifiers.ApplicationContext
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import javax.inject.Inject
import javax.inject.Singleton

data class TooltipData(
    val id: String,
    val message: String,
    val targetId: String? = null,
    val position: TooltipPosition = TooltipPosition.BOTTOM
)

enum class TooltipPosition {
    TOP, BOTTOM, START, END
}

@Singleton
class TooltipManager @Inject constructor(
    @ApplicationContext private val context: Context
) {
    private val prefs: SharedPreferences =
        context.getSharedPreferences("tooltip_prefs", Context.MODE_PRIVATE)

    private val _currentTooltip = MutableStateFlow<TooltipData?>(null)
    val currentTooltip: StateFlow<TooltipData?> = _currentTooltip.asStateFlow()

    private val _isVisible = MutableStateFlow(false)
    val isVisible: StateFlow<Boolean> = _isVisible.asStateFlow()

    /**
     * Show a tooltip if it hasn't been seen before.
     */
    fun show(tooltip: TooltipData) {
        if (hasBeenSeen(tooltip.id)) return
        _currentTooltip.value = tooltip
        _isVisible.value = true
    }

    /**
     * Dismiss the current tooltip and mark it as seen.
     */
    fun dismiss() {
        _currentTooltip.value?.let { markAsSeen(it.id) }
        _isVisible.value = false
        _currentTooltip.value = null
    }

    /**
     * Check if a tooltip has been seen.
     */
    fun hasBeenSeen(tooltipId: String): Boolean {
        return prefs.getBoolean("tooltip_seen_$tooltipId", false)
    }

    private fun markAsSeen(tooltipId: String) {
        prefs.edit().putBoolean("tooltip_seen_$tooltipId", true).apply()
    }

    /**
     * Reset all seen tooltips (for testing).
     */
    fun resetAll() {
        prefs.edit().clear().apply()
        _currentTooltip.value = null
        _isVisible.value = false
    }
}