package net.citizensnpcs;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import net.citizensnpcs.api.util.DataKey;
import net.citizensnpcs.api.util.Messaging;
import net.citizensnpcs.api.util.Storage;
import net.citizensnpcs.api.util.YamlStorage;

import com.google.common.collect.Lists;

public class Settings {
    private final Storage config;
    private final DataKey root;

    public Settings(File folder) {
        config = new YamlStorage(new File(folder, "config.yml"), "Citizens Configuration");
        root = config.getKey("");

        config.load();
        for (Setting setting : Setting.values()) {
            if (!root.keyExists(setting.path)) {
                setting.setAtKey(root);
            } else
                setting.loadFromKey(root);
        }
        updateMessagingSettings();

        save();
    }

    public void reload() {
        config.load();
        for (Setting setting : Setting.values())
            if (root.keyExists(setting.path))
                setting.loadFromKey(root);
        updateMessagingSettings();

        save();
    }

    public void save() {
        config.save();
    }

    private void updateMessagingSettings() {
        Messaging.configure(Setting.DEBUG_MODE.asBoolean(), Setting.MESSAGE_COLOUR.asString(),
                Setting.HIGHLIGHT_COLOUR.asString());
    }

    public enum Setting {
        CHAT_BYSTANDERS_HEAR_TARGETED_CHAT("npc.chat.options.bystanders-hear-targeted-chat", true),
        CHAT_FORMAT("npc.chat.format.no-targets", "[<npc>]: <text>"),
        CHAT_FORMAT_TO_BYSTANDERS("npc.chat.format.with-target-to-bystanders", "[<npc>] -> [<target>]: <text>"),
        CHAT_FORMAT_TO_TARGET("npc.chat.format.to-target", "[<npc>] -> You: <text>"),
        CHAT_FORMAT_WITH_TARGETS_TO_BYSTANDERS("npc.chat.format.with-targets-to-bystanders",
                "[<npc>] -> [<targets>]: <text>"),
        CHAT_MAX_NUMBER_OF_TARGETS("npc.chat.options.max-number-of-targets-to-show", 2),
        CHAT_MULTIPLE_TARGETS_FORMAT("npc.chat.options.multiple-targets-format",
                "<target>|, <target>| & <target>| & others"),
        CHAT_RANGE("npc.chat.options.range", 5),
        CHECK_MINECRAFT_VERSION("advanced.check-minecraft-version", true),
        DATABASE_DRIVER("storage.database.driver", ""),
        DATABASE_PASSWORD("storage.database.password", ""),
        DATABASE_URL("storage.database.url", ""),
        DATABASE_USERNAME("storage.database.username", ""),
        DEBUG_MODE("general.debug-mode", false),
        DEFAULT_LOOK_CLOSE("npc.default.look-close.enabled", false),
        DEFAULT_LOOK_CLOSE_RANGE("npc.default.look-close.range", 5),
        DEFAULT_NPC_LIMIT("npc.limits.default-limit", 10),
        DEFAULT_PATHFINDING_RANGE("npc.default.pathfinding.range", 25F),
        DEFAULT_RANDOM_TALKER("npc.default.random-talker", true),
        DEFAULT_REALISTIC_LOOKING("npc.default.realistic-looking", false),
        DEFAULT_STATIONARY_TICKS("npc.default.stationary-ticks", -1),
        DEFAULT_TALK_CLOSE("npc.default.talk-close.enabled", false),
        DEFAULT_TALK_CLOSE_RANGE("npc.default.talk-close.range", 5),
        DEFAULT_TEXT("npc.default.text.0", "Hi, I'm <npc>!") {
            @Override
            public void loadFromKey(DataKey root) {
                List<String> list = new ArrayList<String>();
                for (DataKey key : root.getRelative("npc.default.text").getSubKeys())
                    list.add(key.getString(""));
                value = list;
            }
        },
        HIGHLIGHT_COLOUR("general.color-scheme.message-highlight", "<e>"),
        KEEP_CHUNKS_LOADED("npc.chunks.always-keep-loaded", false),
        LOCALE("general.translation.locale", ""),
        MAX_NPC_LIMIT_CHECKS("npc.limits.max-permission-checks", 100),
        MAX_SPEED("npc.limits.max-speed", 100),
        MESSAGE_COLOUR("general.color-scheme.message", "<a>"),
        NPC_COST("economy.npc.cost", 100D),
        QUICK_SELECT("npc.selection.quick-select", false),
        REMOVE_PLAYERS_FROM_PLAYER_LIST("npc.player.remove-from-list", true),
        SAVE_TASK_DELAY("storage.save-task.delay", 20 * 60 * 60),
        SELECTION_ITEM("npc.selection.item", "280"),
        SELECTION_MESSAGE("npc.selection.message", "<b>You selected <a><npc><b>!"),
        SERVER_OWNS_NPCS("npc.server-ownership", false),
        STORAGE_FILE("storage.file", "saves.yml"),
        STORAGE_TYPE("storage.type", "yaml"),
        SUBPLUGIN_FOLDER("subplugins.folder", "plugins"),
        TALK_CLOSE_MAXIMUM_COOLDOWN("npc.text.max-talk-cooldown", 1),
        TALK_CLOSE_MINIMUM_COOLDOWN("npc.text.min-talk-cooldown", 1),
        TALK_ITEM("npc.text.talk-item", "340"),
        USE_NEW_PATHFINDER("npc.pathfinding.use-new-finder", false);

        protected String path;
        protected Object value;

        Setting(String path, Object value) {
            this.path = path;
            this.value = value;
        }

        public boolean asBoolean() {
            return (Boolean) value;
        }

        public double asDouble() {
            return ((Number) value).doubleValue();
        }

        public float asFloat() {
            return ((Number) value).floatValue();
        }

        public int asInt() {
            if (value instanceof String) {
                return Integer.parseInt(value.toString());
            }
            return ((Number) value).intValue();
        }

        @SuppressWarnings("unchecked")
        public List<String> asList() {
            if (!(value instanceof List)) {
                value = Lists.newArrayList(value);
            }
            return (List<String>) value;
        }

        public long asLong() {
            return ((Number) value).longValue();
        }

        public String asString() {
            return value.toString();
        }

        protected void loadFromKey(DataKey root) {
            value = root.getRaw(path);
        }

        protected void setAtKey(DataKey root) {
            root.setRaw(path, value);
        }
    }
}