UI-UX-minipigs/app/src/main/java/com/example/piiiiiiiiiiig/MainActivity.kt

package com.example.piiiiiiiiiiig

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.Image
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.Button
import androidx.compose.material3.ButtonDefaults
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.OutlinedTextField
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            LoginScreen() //similarly with FindUser() Done() Error()
            }
        }
    }


@Composable
fun LoginScreen() {
    val cor = rememberCoroutineScope()
    Surface {


        Column(
            modifier = Modifier.fillMaxSize(),
            verticalArrangement = Arrangement.Center,
            horizontalAlignment = Alignment.CenterHorizontally,
        ) {

            Row(
                verticalAlignment = Alignment.CenterVertically,
                horizontalArrangement = Arrangement.Center,
                modifier = Modifier.fillMaxWidth()

            ){
                Image(
                    painter = painterResource(id = R.drawable.heel),
                    contentDescription = "",
                    modifier = Modifier
                        .size(width = 190.dp, height = 145.dp)
                        .padding(bottom = 90.dp)
                )
            }


            var login by remember { mutableStateOf("") }
            var password by remember { mutableStateOf("") }

            OutlinedTextField(
                value = login,
                onValueChange = { login = it },
                label = { Text("Login") },
                modifier = Modifier.padding(bottom = 4.dp),
                shape = RoundedCornerShape(12.dp)
            )

            OutlinedTextField(
                value = password,
                onValueChange = { password = it },
                label = { Text("Password") },
                modifier = Modifier.padding(bottom = 12.dp),
                shape = RoundedCornerShape(12.dp),
            )


                Button(
                    colors = ButtonDefaults.buttonColors(
                        containerColor = Color(red = 231, green = 113, blue = 113)
                    ),
                    onClick = {
                    },
                    shape = RoundedCornerShape(12.dp)
                ) {
                    Text(
                        text = "Sign In",
                        style = MaterialTheme.
                        typography.bodyLarge
                    )
                }

        }


        Image(
            painter = painterResource(id = R.drawable.up_wave),
            contentDescription = "",
            modifier = Modifier.fillMaxWidth()
        )

        Row(
            modifier = Modifier.fillMaxSize(),
        ) {

            Text(
                text = "pigs",
                fontSize = 25.sp,
                textAlign = TextAlign.End,
                modifier = Modifier.weight(1f).padding(vertical = 300.dp, horizontal = 100.dp)
            )
        }

        Row(
            modifier = Modifier.fillMaxSize(),
        ) {

            Text(
                text = "mini",
                fontSize = 25.sp,
                textAlign = TextAlign.Start,
                modifier = Modifier.weight(1f).padding(vertical = 300.dp, horizontal = 100.dp)
            )
        }
    }

        Box(
            modifier = Modifier.fillMaxSize()
        ) {
            Image(
                painter = painterResource(id = R.drawable.down_wave),
                contentDescription = "",
                modifier = Modifier.align(Alignment.BottomCenter)
            )
        }




    }



@Composable
fun FindUser() {
    val cor = rememberCoroutineScope()
    Surface {
        Column(
            modifier = Modifier.fillMaxSize(),
            verticalArrangement = Arrangement.Center,
            horizontalAlignment = Alignment.CenterHorizontally,
        ) {


            Row(
                verticalAlignment = Alignment.CenterVertically,
                horizontalArrangement = Arrangement.Center,
                modifier = Modifier.fillMaxWidth()

            ){
                Image(
                    painter = painterResource(id = R.drawable.heel),
                    contentDescription = "",
                    modifier = Modifier
                        .size(width = 190.dp, height = 145.dp)
                        .padding(bottom = 90.dp)
                )
            }

            var login by remember { mutableStateOf("") }

            OutlinedTextField(
                value = login,
                onValueChange = { login = it },
                label = { Text("Login") },
                modifier = Modifier.padding(bottom = 4.dp),
                shape = RoundedCornerShape(12.dp)
            )


            Button(
                colors = ButtonDefaults.buttonColors(
                    containerColor = Color(red = 231, green = 113, blue = 113)
                ),
                onClick = {
                },
                shape = RoundedCornerShape(12.dp),
                modifier = Modifier.padding(top = 33.dp)
            ) {
                Text(text = "Find user", style = MaterialTheme.typography.bodyLarge)
            }

        }

        Image(
            painter = painterResource(id = R.drawable.up_wave),
            contentDescription = "",
            modifier = Modifier.fillMaxWidth()
        )

        Box(
            modifier = Modifier.fillMaxSize()
        ) {
            Image(
                painter = painterResource(id = R.drawable.down_wave),
                contentDescription = "",
                modifier = Modifier.align(Alignment.BottomCenter)
            )
        }

        Row(
            modifier = Modifier.fillMaxSize(),
        ) {

            Text(
                text = "pigs",
                fontSize = 25.sp,
                textAlign = TextAlign.End,
                modifier = Modifier.weight(1f).padding(vertical = 320.dp, horizontal = 100.dp)
            )
        }

        Row(
            modifier = Modifier.fillMaxSize(),
        ) {

            Text(
                text = "mini",
                fontSize = 25.sp,
                textAlign = TextAlign.Start,
                modifier = Modifier.weight(1f).padding(vertical = 320.dp, horizontal = 100.dp)
            )
        }
    }
}

@Composable
fun Done() {
    val cor = rememberCoroutineScope()
    Surface {
        Column(
            modifier = Modifier
                .fillMaxSize()
                .background(Color.White),
            horizontalAlignment = Alignment.CenterHorizontally,
            verticalArrangement = Arrangement.Center
        ){
            Box(
                contentAlignment = Alignment.Center,
                content = {}
            )

            Text(
                text = "Done",
                fontSize = 32.sp,
                fontWeight = FontWeight.Bold,
                modifier = Modifier.padding(16.dp),

                )

            Image(
                painter = painterResource(id = R.drawable.happy_pig),
                contentDescription = "Happy pig",
                contentScale = ContentScale.Fit,
                modifier = Modifier
                    .size(250.dp)
                    .padding(8.dp)
            )
        }

        Image(
            painter = painterResource(id = R.drawable.up_wave),
            contentDescription = "",
            modifier = Modifier.fillMaxWidth()
        )

        Box(
            modifier = Modifier.fillMaxSize()
        ) {
            Image(
                painter = painterResource(id = R.drawable.down_wave),
                contentDescription = "",
                modifier = Modifier.align(Alignment.BottomCenter)
            )
        }




    }
}

@Composable
fun Error() {
    val cor = rememberCoroutineScope()
    Surface {
        Column(
            modifier = Modifier
                .fillMaxSize()
                .background(Color.White),
            horizontalAlignment = Alignment.CenterHorizontally,
            verticalArrangement = Arrangement.Center
        ){
            Box(
                contentAlignment = Alignment.Center,
                content = {}
            )

            Text(
                text = "Error",
                fontSize = 32.sp,
                fontWeight = FontWeight.Bold,
                modifier = Modifier.padding(16.dp),

                )

            Image(
                painter = painterResource(id = R.drawable.scary_pig),
                contentDescription = "Scary pig",
                contentScale = ContentScale.Fit,
                modifier = Modifier
                    .size(250.dp)
                    .padding(8.dp)
            )
        }

        Image(
            painter = painterResource(id = R.drawable.up_wave),
            contentDescription = "",
            modifier = Modifier.fillMaxWidth()
        )

        Box(
            modifier = Modifier.fillMaxSize()
        ) {
            Image(
                painter = painterResource(id = R.drawable.down_wave),
                contentDescription = "",
                modifier = Modifier.align(Alignment.BottomCenter)
            )
        }



    }
}