/*
 * Copyright (c) 2026 QPQ IaaS AG <info@qpq.swiss>. All rights reserved.
 * Project: Gajumaru Core Java Libraries <gajumaru.io>
 *
 * This program is dual-licensed:
 * 1) Under the GNU Affero General Public License as published by the Free
 *    Software Foundation, either version 3 of the License, or (at your option)
 *    any later version (AGPL-3.0-or-later).
 *
 * 2) Under a commercial/proprietary license available directly from QPQ IaaS AG.
 *    If you wish to use this software outside the strict constraints of the
 *    AGPLv3 (e.g. within a closed-source or proprietary product), you must
 *    purchase a commercial license from QPQ IaaS AG.
 *
 * Authors:
 *   - Craig Everett <craigeverett@qpq.swiss>
 *
 * SPDX-License-Identifier: AGPL-3.0-or-later OR LicenseRef-QPQ-Commercial
 */

package swiss.qpq.gajumobile.ui.screens

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.material3.CircularProgressIndicator
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.dp
import swiss.qpq.gajumobile.R
import swiss.qpq.gajumobile.ui.components.GajuButton
import swiss.qpq.gajumobile.ui.components.GajuHeader

@Composable
fun FetchingScreen(
    url: String,
    onCancel: () -> Unit
) {
    Scaffold(
        modifier = Modifier.fillMaxSize(),
    ) { innerPadding ->
        Column(
            modifier = Modifier
                .fillMaxSize()
                .background(MaterialTheme.colorScheme.background)
                .padding(innerPadding)
                .padding(24.dp),
            horizontalAlignment = Alignment.CenterHorizontally,
            verticalArrangement = Arrangement.Center
        ) {
            GajuHeader()
            
            Spacer(modifier = Modifier.height(48.dp))
            
            CircularProgressIndicator(
                modifier = Modifier.size(64.dp),
                color = MaterialTheme.colorScheme.primary,
                strokeWidth = 6.dp
            )
            
            Spacer(modifier = Modifier.height(32.dp))
            
            Text(
                text = stringResource(R.string.retrieving_request_title),
                style = MaterialTheme.typography.headlineSmall,
                color = MaterialTheme.colorScheme.onBackground,
                fontWeight = FontWeight.Bold
            )
            
            Spacer(modifier = Modifier.height(16.dp))
            
            Text(
                text = stringResource(R.string.connecting_to_label),
                style = MaterialTheme.typography.labelLarge,
                color = MaterialTheme.colorScheme.onSurfaceVariant
            )
            
            Text(
                text = url,
                style = MaterialTheme.typography.bodySmall,
                color = MaterialTheme.colorScheme.primary,
                textAlign = TextAlign.Center,
                modifier = Modifier.padding(top = 4.dp)
            )
            
            Spacer(modifier = Modifier.weight(1f))
            
            GajuButton(
                text = stringResource(R.string.cancel),
                onClick = onCancel,
                modifier = Modifier.fillMaxWidth(),
                containerColor = MaterialTheme.colorScheme.secondary,
                contentColor = MaterialTheme.colorScheme.onSecondary
            )
            
            Spacer(modifier = Modifier.height(24.dp))
        }
    }
}
