csamsclient/foreground/src/main/java/com/gyf/csams/association/ui/ReNameActivity.kt

package com.gyf.csams.association.ui

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.*
import androidx.compose.material.MaterialTheme
import androidx.compose.material.OutlinedButton
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.unit.dp
import androidx.lifecycle.viewmodel.compose.viewModel
import com.gyf.csams.association.model.RenameViewModel
import com.gyf.csams.uikit.*

/**
 * 社团重命名
 *
 */
class ReNameActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        setContent {
            Body { scaffoldState ->
                MainFrame(background = { Background(image = BackgroundImage.Rename) }) {
                    Spacer(
                        modifier = Modifier
                            .weight(0.2F)
                    )
                    Title(modifier = Modifier.weight(0.1F))

                    OldName(modifier = Modifier.weight(0.1F))

                    NewName(modifier = Modifier.weight(0.1F))

                    Cause(modifier = Modifier.weight(0.2F))

                    Spacer(modifier = Modifier.height(10.dp))
                    BottomButton(modifier = Modifier.weight(0.1F))

                    Spacer(modifier = Modifier.weight(1 - 0.2F * 2 - 0.1F * 4))
                    ShowSnackbar(scaffoldState = scaffoldState)
                }
            }
        }
    }

    /**
     * 标题
     *
     */
    @Composable
    private fun Title(modifier: Modifier = Modifier, model: RenameViewModel = viewModel()) {
        Row(modifier = modifier.fillMaxWidth(), horizontalArrangement = Arrangement.Center) {
            Text(text = model.menuName, style = MaterialTheme.typography.h4)
        }
    }

    /**
     * 社团原名
     *
     */
    @Composable
    private fun OldName(modifier: Modifier = Modifier, model: RenameViewModel = viewModel()) {
        BaseTextField(form = model.oldName, modifier = modifier.fillMaxWidth(), singeLine = true)
    }

    /**
     * 社团新名
     *
     */
    @Composable
    private fun NewName(modifier: Modifier = Modifier, model: RenameViewModel = viewModel()) {
        BaseTextField(form = model.newName, modifier = modifier.fillMaxWidth(), singeLine = true)
    }

    /**
     * 换名原因
     *
     */
    @Composable
    private fun Cause(modifier: Modifier = Modifier, model: RenameViewModel = viewModel()) {
        BaseTextField(form = model.cause, modifier = modifier.fillMaxWidth())
    }

    /**
     * 操作按钮
     *
     * @param modifier
     * @param model
     */
    @Composable
    private fun BottomButton(
        modifier: Modifier = Modifier,
        model: RenameViewModel = viewModel(),
        scaffoldModel: ScaffoldModel = viewModel()
    ) {
        Row(modifier = modifier.fillMaxWidth()) {
            val weight = (1 - 0.5F) / 2
            val context = LocalContext.current as ReNameActivity
            Spacer(modifier = Modifier.weight(weight))
            Row(modifier = Modifier.weight(0.5F)) {
                OutlinedButton(onClick = { model.post { scaffoldModel.update(message = it) } }) {
                    Text(text = model.postDesc)
                }
                Spacer(modifier = Modifier.width(10.dp))
                OutlinedButton(onClick = { context.onBackPressed() }) {
                    Text(text = model.back)
                }
            }
            Spacer(modifier = Modifier.weight(weight))
        }
    }
}