event.load("entity_click");
event.load("block_break");
event.load("inv_click");

overworld = world.get("overworld");
loc = loc.new(overworld, 66, 69, 444);
plot_list = plot.get(loc);
village_plot_id = plot.getId(list.getIndex(plot_list, 0));

farmer_quest = list.new();
farmer_inv = inv.new("222222222");
farmer_inv_id = inv.getId(farmer_inv);
air_item = read.item("minecraft:air");
crops_tag = block.getTag("minecraft:crops");
age7_property = block.getProperty("age_0_7");
farm_loc1 = loc.new(overworld, 69, 69, 444);
farm_loc2 = loc.new(overworld, 73, 69, 440);

@wait
wait();
iGoto(event);
goto("wait");

@entity_click
entity_name = entity.getName(entity);
if(entity_name == "Bauer") {
	if(getGrowPercentage(farm_loc1, farm_loc2, "minecraft:wheat") >= 80) {
		inv.setItem(farmer_inv, 0, read.item("minecraft:wheat", 1, "Weizenfeld ernten"));
	} else {
		inv.setItem(farmer_inv, 0, air_item);
	}
	inv.open(farmer_inv, player, "Verfügbare Quests");
}
goto("wait");

@inv_click
if(item.getType(item) != "minecraft:air") {
	if(inv_id == farmer_inv_id) {
		if(inv_slot == 0) {
			player_uuid = player.getUuid(player);
			if(list.contains(farmer_quest, player_uuid)) {
				player.speak(player, "Bauer", "Du bist bereits mit dieser Aufgabe betraut. Geh dahin und ernte das gesamte Weizenfeld.");
			} else {
				player.speak(player, "Bauer", "Die Weizenernte kann beginnen. Geh dahin und ernte das gesamte Feld.");
				list.add(farmer_quest, player.getUuid(player));
			}
		}
	}
}
goto("wait");
	
@block_break
player_uuid = player.getUuid(player);
//Hat der Spieler die Quest "Weizenfeld ernten"?
if(list.contains(farmer_quest, player_uuid)) {
	//Baut der Spieler einen Block des Weizenfelds ab?
	if(loc.isBetween(block_loc, farm_loc1, farm_loc2) && block_type == "minecraft:wheat") {
		cancel = false;
		//Ist das Weizenfeld fertig abgeerntet?
		if(getGrowPercentage(farm_loc1, farm_loc2, "minecraft:wheat") == 0) {
			//An alle Spieler, die diese Quest haben, eine Erledigung schicken
			msgQuesters(farmer_quest, "Bauer", "Vielen Dank für das ernten des Weizenfelds! Hier hast du eine Belohnung.");
			rewardQuesters(farmer_quest, 5, 0, 0);
		}
	}
}
goto("wait");

function getGrowPercentage(location1, location2, block_type) {
	crops_counter = 0;
	ready_counter = 0;
	loc.sort(location1, location2);
	x_diff = loc.getX(location2) - loc.getX(location1);
	y_diff = loc.getY(location2) - loc.getY(location1);
	z_diff = loc.getZ(location2) - loc.getZ(location1);
	for(x = 0; x <= x_diff; x++) {
		for(y = 0; y <= y_diff; y++) {
			for(z = 0; z <= z_diff; z++) {
				mod_loc = loc.mod(location1, x, y, z);
				if(block.getType(mod_loc) == block_type) {
					crops_counter++;
					if(block.property.getValue(mod_loc, $age7_property) == 7) {
						ready_counter++;
					}
				}
			}
		}
	}
	readyPercent = ready_counter / crops_counter * 100;
	return readyPercent;
}

function msgQuesters(farmer_quest, from, message) {
	for(i = 0; i < list.getSize(farmer_quest); i++) {
		player_uuid = list.getIndex(farmer_quest, i);
		player_name = player.getName(player_uuid);
		if(isOnline(player_name)) {
			player = read.player(player_name);
			player.speak(player, from, message);
		}
	}
	return;
}

function rewardQuesters(farmer_quest, copper, silver, gold) {
	for(i = 0; i < list.getSize(farmer_quest); i++) {
		player_uuid = list.getIndex(farmer_quest, i);
		player_name = player.getName(player_uuid);
		if(isOnline(player_name)) {
			player = read.player(player_name);
			if(copper > 0) {
				safeGiveItemPlayer(player, read.item("km:coin_copper", copper));
			}
			if(silver > 0) {
				safeGiveItemPlayer(player, read.item("km:coin_silver", silver));
			}
			if(gold> 0) {
				safeGiveItemPlayer(player, read.item("km:coin_gold", gold));
			}
		}
	}
	return;
}

function safeGiveItemPlayer(player, item) {
	rest_item = player.giveItem(player, item);
	item.drop(entity.getLocation(player), rest_item);
	return;
}

function isOnline(player_name) {
	if(read.player(player_name) == null) {
		return false;
	}
	return true;
}