package com.socialapp.presentation.viewmodel

import androidx.compose.runtime.mutableStateOf
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.socialapp.domain.model.AppConfig
import com.socialapp.domain.usecase.GetAppConfigUseCase
import dagger.hilt.android.lifecycle.HiltViewModel
import kotlinx.coroutines.launch
import javax.inject.Inject

sealed class AppConfigState {
    object Loading : AppConfigState()
    data class Success(val config: AppConfig) : AppConfigState()
    data class Error(val message: String) : AppConfigState()
}

@HiltViewModel
class AppConfigViewModel @Inject constructor(
    private val getAppConfigUseCase: GetAppConfigUseCase
) : ViewModel() {

    val appConfig = mutableStateOf<AppConfig?>(null)
    val appConfigState = mutableStateOf<AppConfigState>(AppConfigState.Loading)
    val isLoading = mutableStateOf(false)
    val errorMessage = mutableStateOf<String?>(null)

    init {
        fetchAppConfig()
    }

    fun fetchAppConfig() {
        viewModelScope.launch {
            isLoading.value = true
            appConfigState.value = AppConfigState.Loading

            val result = getAppConfigUseCase()
            result.onSuccess { config ->
                appConfig.value = config
                appConfigState.value = AppConfigState.Success(config)
                isLoading.value = false
            }.onFailure { error ->
                errorMessage.value = error.message
                appConfigState.value = AppConfigState.Error(error.message ?: "Unknown error")
                isLoading.value = false
            }
        }
    }

    fun isFeatureEnabled(featureName: String): Boolean {
        return appConfig.value?.features?.contains(featureName) ?: false
    }

    fun getThemeColor(colorType: String): String {
        return when (colorType) {
            "primary" -> appConfig.value?.primary_color ?: "#FF3377"
            "secondary" -> appConfig.value?.secondary_color ?: "#1877F2"
            "accent" -> appConfig.value?.accent_color ?: "#FF3377"
            "text" -> appConfig.value?.text_color ?: "#000000"
            "background" -> appConfig.value?.bg_color ?: "#FFFFFF"
            else -> "#FFFFFF"
        }
    }

    fun getAppName(): String {
        return appConfig.value?.app_name ?: "Hopenity"
    }

    fun getAppVersion(): String {
        return appConfig.value?.app_version ?: "1.0.0"
    }

    fun getMaxPostSize(): Int {
        return appConfig.value?.max_post_size ?: 100
    }

    fun getMaxVideoDuration(): Int {
        return appConfig.value?.max_video_duration ?: 600
    }

    fun isEmailVerificationRequired(): Boolean {
        return appConfig.value?.require_email_verification ?: false
    }

    fun isPhoneVerificationRequired(): Boolean {
        return appConfig.value?.require_phone_verification ?: false
    }
}