package cz.jzitnik.game;

import cz.jzitnik.game.items.Item;
import cz.jzitnik.game.items.ItemType;
import cz.jzitnik.game.sprites.Breaking;
import cz.jzitnik.game.sprites.Window;
import cz.jzitnik.game.ui.Inventory;
import cz.jzitnik.tui.ScreenMovingCalculationProvider;
import cz.jzitnik.tui.ScreenRenderer;
import lombok.Getter;
import lombok.Setter;
import org.jline.terminal.Terminal;

import java.util.ArrayList;
import java.util.List;

@Getter
public class Game {
    private List<Block>[][] world = new ArrayList[256][512];
    @Setter
    private Block player;
    private boolean mining = false;
    @Setter
    private Window window = Window.WORLD;

    //jsonignore
    private final GameStates gameStates = new GameStates(this);

    private final Inventory inventory = new Inventory();

    public Game() {
        Generation.generateWorld(this);
    }

    public int[] getPlayerCords() {
        for (int i = 0; i < world.length; i++) {
            for (int j = 0; j < world[i].length; j++) {
                for (Block block : world[i][j]) {
                    if (block.getBlockId().equals("steve")) {
                        return new int[]{j, i};
                    }
                }
            }
        }
        return null;
    }

    public void movePlayerRight(ScreenRenderer screenRenderer) {
        if (window != Window.WORLD) {
            return;
        }
        int[] cords = getPlayerCords();

        if (world[cords[1]][cords[0] + 1].stream().anyMatch(block -> !block.isGhost())) {
            return;
        }

        world[cords[1]][cords[0] + 1].add(player);
        world[cords[1]][cords[0]].remove(player);
        screenRenderer.render(this);

        update(screenRenderer);
    }

    public void movePlayerLeft(ScreenRenderer screenRenderer) {
        if (window != Window.WORLD) {
            return;
        }
        int[] cords = getPlayerCords();

        if (world[cords[1]][cords[0] - 1].stream().anyMatch(block -> !block.isGhost())) {
            return;
        }

        world[cords[1]][cords[0] - 1].add(player);
        world[cords[1]][cords[0]].remove(player);
        screenRenderer.render(this);

        update(screenRenderer);
    }

    public void movePlayerUp(ScreenRenderer screenRenderer) {
        if (window != Window.WORLD) {
            return;
        }
        int[] cords = getPlayerCords();

        if (world[cords[1] - 1][cords[0]].stream().anyMatch(block -> !block.isGhost()) || world[cords[1] + 1][cords[0]].stream().anyMatch(Block::isGhost)) {
            return;
        }

        world[cords[1] - 1][cords[0]].add(player);
        world[cords[1]][cords[0]].remove(player);

        new Thread(() -> {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
            int[] cords2 = getPlayerCords();

            if (world[cords2[1] + 1][cords2[0]].stream().allMatch(Block::isGhost)) {
                world[cords2[1] + 1][cords2[0]].add(player);
                world[cords2[1]][cords2[0]].remove(player);

                screenRenderer.render(this);
            }
        }).start();
    }

    public void mine(ScreenRenderer screenRenderer, int x, int y) {
        if (mining || window != Window.WORLD) {
            return;
        }

        Block breakingBlock = new Block("breaking", SpriteLoader.SPRITES.BREAKING);
        world[y][x].add(breakingBlock);
        screenRenderer.render(this);

        int hardness = world[y][x].stream().filter(block -> !block.isGhost()).toList().get(0).calculateHardness(inventory);

        this.mining = true;

        new Thread(() -> {
            try {
                Thread.sleep(hardness * 166L);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
            breakingBlock.setSpriteState(Breaking.BreakingState.SECOND);
            screenRenderer.render(this);

            try {
                Thread.sleep(hardness * 166L);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
            breakingBlock.setSpriteState(Breaking.BreakingState.THIRD);
            screenRenderer.render(this);

            try {
                Thread.sleep(hardness * 166L);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }

            mining = false;

            var blocks = world[y][x];
            for (Block block : blocks) {
                if (!block.isMineable())  {
                    continue;
                }

                if (block.getToolVariants().isEmpty()) {
                    // Add to inv
                    block.getDrops().forEach(item -> inventory.addItem(item));
                    continue;
                }

                var toolVariants = block.getToolVariants();
                if (inventory.getItemInHand().isPresent() && inventory.getItemInHand().get().getToolVariant().isPresent() && block.getTool().isPresent() && block.getTool().get().equals(inventory.getItemInHand().get().getType()) && toolVariants.contains(inventory.getItemInHand().get().getToolVariant().get())) {
                    block.getDrops().forEach(item -> inventory.addItem(item));
                }
            }

            blocks.clear();
            blocks.add(new Block("air", SpriteLoader.SPRITES.AIR, true, false));
            inventory.getItemInHand().ifPresent(Item::use);
            screenRenderer.render(this);

            update(screenRenderer);
        }).start();
    }

    public boolean isMineable(int x, int y, Terminal terminal) {
        List<Block> blocks = world[y][x];

        int[] cords = getPlayerCords();

        int playerX = cords[0];
        int playerY = cords[1];

        int distanceX = Math.abs(playerX - x);
        int distanceY = Math.abs(playerY - y);

        int[] data = ScreenMovingCalculationProvider.calculate(playerX, playerY, terminal.getHeight(), terminal.getWidth(), world[0].length, world.length);

        int startX = data[0];
        int endX = data[1];
        int startY = data[2];
        int endY = data[3];

        return
                y >= startY && y < endY - 1 && x >= startX && x < endX - 1 &&
                !blocks.stream().allMatch(block -> block.getBlockId().equals("air"))
                && distanceX <= 5 && distanceY <= 5
                && !(playerX == x && playerY == y)
                && blocks.stream().anyMatch(Block::isMineable);
    }

    public void update(ScreenRenderer screenRenderer) {
        while (true) {
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
            int[] cords2 = getPlayerCords();

            if (world[cords2[1] + 1][cords2[0]].stream().allMatch(Block::isGhost)) {
                world[cords2[1] + 1][cords2[0]].add(player);
                world[cords2[1]][cords2[0]].remove(player);

                screenRenderer.render(this);
            } else {
                break;
            }
        }
    }

    public void build(int x, int y, ScreenRenderer screenRenderer) {
        if (window != Window.WORLD) {
            return;
        }
        var blocks = world[y][x];

        int[] cords = getPlayerCords();

        int playerX = cords[0];
        int playerY = cords[1];

        int distanceX = Math.abs(playerX - x);
        int distanceY = Math.abs(playerY - y);

        if (distanceX > 5 || distanceY > 5) {
            return;
        }

        if (!blocks.stream().allMatch(block -> block.getBlockId().equals("air"))) {
            RightClickHandler.handle(x, y, this);
            screenRenderer.render(this);
            return;
        }

        if (!(inventory.getItemInHand().isPresent() && inventory.getItemInHand().get().getType() == ItemType.BLOCK)) {
            return;
        }

        blocks.removeAll(blocks.stream().filter(block -> block.getBlockId().equals("air")).toList());
        blocks.add(inventory.getItemInHand().get().getBlock().get());

        inventory.decreaseItemInHand();

        screenRenderer.render(this);
    }

    public void changeSlot(int slot, ScreenRenderer screenRenderer) {
        if (window != Window.WORLD) {
            return;
        }
        inventory.setItemInhHandIndex(slot);
        screenRenderer.render(this);
    }
}