package org.lsposed.lspatch.ui.page.manage

import android.content.Intent
import android.net.Uri
import android.provider.Settings
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.fillMaxHeight
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.items
import androidx.compose.material3.DropdownMenuItem
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Text
import androidx.compose.runtime.*
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.AnnotatedString
import androidx.compose.ui.text.SpanStyle
import androidx.compose.ui.text.buildAnnotatedString
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontWeight
import androidx.lifecycle.viewmodel.compose.viewModel
import org.lsposed.lspatch.R
import org.lsposed.lspatch.ui.component.AnywhereDropdown
import org.lsposed.lspatch.ui.component.AppItem
import org.lsposed.lspatch.ui.viewmodel.manage.ModuleManageViewModel
import org.lsposed.lspatch.util.LSPPackageManager

@Composable
fun ModuleManageBody() {
    val context = LocalContext.current
    val viewModel = viewModel<ModuleManageViewModel>()
    if (viewModel.appList.isEmpty()) {
        Box(Modifier.fillMaxSize()) {
            Text(
                modifier = Modifier.align(Alignment.Center),
                text = run {
                    if (LSPPackageManager.appList.isEmpty()) stringResource(R.string.manage_loading)
                    else stringResource(R.string.manage_no_modules)
                },
                fontFamily = FontFamily.Serif,
                style = MaterialTheme.typography.headlineSmall
            )
        }
    } else {
        LazyColumn(Modifier.fillMaxHeight()) {
            items(
                items = viewModel.appList,
                key = { it.first.app.packageName }
            ) {
                var expanded by remember { mutableStateOf(false) }
                val settingsIntent = remember { LSPPackageManager.getSettingsIntent(it.first.app.packageName) }
                AnywhereDropdown(
                    expanded = expanded,
                    onDismissRequest = { expanded = false },
                    onClick = { settingsIntent?.let { context.startActivity(it) } },
                    onLongClick = { expanded = true },
                    surface = {
                        AppItem(
                            icon = LSPPackageManager.getIcon(it.first),
                            label = it.first.label,
                            packageName = it.first.app.packageName,
                            additionalContent = {
                                Text(
                                    text = it.second.description,
                                    style = MaterialTheme.typography.bodySmall
                                )
                                Text(
                                    text = buildAnnotatedString {
                                        append(AnnotatedString("API", SpanStyle(color = MaterialTheme.colorScheme.secondary)))
                                        append("  ")
                                        append(it.second.api.toString())
                                    },
                                    fontWeight = FontWeight.SemiBold,
                                    fontFamily = FontFamily.Serif,
                                    style = MaterialTheme.typography.bodySmall
                                )
                            }
                        )
                    }
                ) {
                    DropdownMenuItem(
                        text = { Text(text = it.first.label, color = MaterialTheme.colorScheme.primary) },
                        onClick = {}, enabled = false
                    )
                    if (settingsIntent != null) {
                        DropdownMenuItem(
                            text = { Text(stringResource(R.string.manage_module_settings)) },
                            onClick = { context.startActivity(settingsIntent) }
                        )
                    }
                    DropdownMenuItem(
                        text = { Text(stringResource(R.string.manage_app_info)) },
                        onClick = {
                            val intent = Intent(
                                Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
                                Uri.fromParts("package", it.first.app.packageName, null)
                            )
                            context.startActivity(intent)
                        }
                    )
                }
            }
        }
    }
}