tailscale-android/android/src/main/java/com/tailscale/ipn/ui/view/MDMSettingsDebugView.kt

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause

package com.tailscale.ipn.ui.view

import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.items
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.material3.TopAppBar
import androidx.compose.material3.TopAppBarDefaults
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontWeight
import com.tailscale.ipn.R
import com.tailscale.ipn.mdm.AlwaysNeverUserDecidesSetting
import com.tailscale.ipn.mdm.BooleanSetting
import com.tailscale.ipn.mdm.MDMSettings
import com.tailscale.ipn.mdm.ShowHideSetting
import com.tailscale.ipn.mdm.StringArraySetting
import com.tailscale.ipn.mdm.StringSetting
import com.tailscale.ipn.ui.util.defaultPaddingModifier

@OptIn(ExperimentalMaterial3Api::class)
@Composable
fun MDMSettingsDebugView(mdmSettings: MDMSettings) {
    Scaffold(
            topBar = {
                TopAppBar(
                        colors = TopAppBarDefaults.topAppBarColors(
                                containerColor = MaterialTheme.colorScheme.surfaceContainer,
                                titleContentColor = MaterialTheme.colorScheme.primary,
                        ),
                        title = {
                            Text(stringResource(R.string.current_mdm_settings))
                        }
                )
            },
    ) { innerPadding ->
        LazyColumn(modifier = Modifier.padding(innerPadding)) {
            items(enumValues<BooleanSetting>()) { booleanSetting ->
                MDMSettingView(
                        title = booleanSetting.localizedTitle,
                        caption = booleanSetting.key,
                        valueDescription = mdmSettings.get(booleanSetting).toString()
                )
            }

            items(enumValues<StringSetting>()) { stringSetting ->
                MDMSettingView(
                        title = stringSetting.localizedTitle,
                        caption = stringSetting.key,
                        valueDescription = mdmSettings.get(stringSetting).toString()
                )
            }

            items(enumValues<ShowHideSetting>()) { showHideSetting ->
                MDMSettingView(
                        title = showHideSetting.localizedTitle,
                        caption = showHideSetting.key,
                        valueDescription = mdmSettings.get(showHideSetting).toString()
                )
            }

            items(enumValues<AlwaysNeverUserDecidesSetting>()) { anuSetting ->
                MDMSettingView(
                        title = anuSetting.localizedTitle,
                        caption = anuSetting.key,
                        valueDescription = mdmSettings.get(anuSetting).toString()
                )
            }

            items(enumValues<StringArraySetting>()) { stringArraySetting ->
                MDMSettingView(
                        title = stringArraySetting.localizedTitle,
                        caption = stringArraySetting.key,
                        valueDescription = mdmSettings.get(stringArraySetting).toString()
                )
            }
        }
    }

}

@Composable
fun MDMSettingView(title: String, caption: String, valueDescription: String) {
    Row(
            horizontalArrangement = Arrangement.SpaceBetween,
            modifier = defaultPaddingModifier()
                    .fillMaxWidth()
    ) {
        Column {
            Text(title, maxLines = 3)
            Text(
                    caption,
                    fontSize = MaterialTheme.typography.labelSmall.fontSize,
                    color = MaterialTheme.colorScheme.tertiary,
                    fontFamily = FontFamily.Monospace
            )
        }

        Text(
                valueDescription,
                color = MaterialTheme.colorScheme.secondary,
                fontFamily = FontFamily.Monospace,
                maxLines = 1,
                fontWeight = FontWeight.SemiBold
        )
    }
}