package noppes.npcs.controllers.data;

import com.google.common.base.Preconditions;
import cpw.mods.fml.common.eventhandler.Event;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.math.BlockPos;
import noppes.npcs.NBTTags;
import noppes.npcs.api.entity.ICustomNpc;
import noppes.npcs.config.ConfigScript;
import noppes.npcs.constants.EnumScriptType;
import noppes.npcs.controllers.ScriptContainer;
import noppes.npcs.controllers.ScriptController;
import noppes.npcs.entity.EntityNPCInterface;
import noppes.npcs.scripted.NpcAPI;

import javax.annotation.CheckForNull;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.OptionalDouble;
import java.util.OptionalInt;
import java.util.OptionalLong;
import java.util.TreeMap;

public class GlobalNPCDataScript implements IScriptHandler {
    public List<IScriptUnit> scripts = new ArrayList<>();
    public String scriptLanguage = "ECMAScript";
    private EntityNPCInterface npc;
    private ICustomNpc npcAPI;
    public long lastInited = -1L;
    private long lastNpcUpdate = -1L;
    public boolean enabled = false;

    public GlobalNPCDataScript(EntityNPCInterface npc) {
        if (npc != null) {
            this.npc = npc;
        }
    }

    public void clear() {
        this.scripts = new ArrayList<>();
    }

    public void readFromNBT(NBTTagCompound compound) {
        if (compound.hasKey("Scripts")) {
            this.scripts = new ArrayList<>(NBTTags.GetScriptOld(compound.getTagList("Scripts", 10), this));
        } else {
            this.scripts = new ArrayList<>(NBTTags.GetScript(compound, this));
        }
        this.scriptLanguage = compound.getString("ScriptLanguage");
        if (!ScriptController.Instance.languages.containsKey(scriptLanguage)) {
            if (!ScriptController.Instance.languages.isEmpty()) {
                this.scriptLanguage = (String) ScriptController.Instance.languages.keySet().toArray()[0];
            } else {
                this.scriptLanguage = "ECMAScript";
            }
        }
        this.enabled = compound.getBoolean("ScriptEnabled");
    }

    public NBTTagCompound writeToNBT(NBTTagCompound compound) {
        compound.setInteger("TotalScripts", this.scripts.size());
        for (int i = 0; i < this.scripts.size(); i++) {
            compound.setTag("Tab" + i, this.scripts.get(i).writeToNBT(new NBTTagCompound()));
        }
        compound.setString("ScriptLanguage", this.scriptLanguage);
        compound.setBoolean("ScriptEnabled", this.enabled);
        return compound;
    }

    public boolean isEnabled() {
        return ConfigScript.GlobalNPCScripts && this.enabled && ScriptController.HasStart && this.scripts.size() > 0;
    }

    public void callScript(EnumScriptType type, Event event) {
        this.callScript(type.function, event);
    }

    @Override
    public void callScript(String hookName, Event event) {
        if (this.isEnabled()) {
            if (ScriptController.Instance.lastLoaded > this.lastInited || ScriptController.Instance.lastGlobalNpcUpdate > this.lastNpcUpdate) {
                this.lastInited = ScriptController.Instance.lastLoaded;
                this.lastNpcUpdate = ScriptController.Instance.lastGlobalNpcUpdate;

                for (IScriptUnit script : this.scripts) {
                    if (script instanceof ScriptContainer)
                        ((ScriptContainer) script).errored = false;
                }
            }

            for (IScriptUnit script : this.scripts) {
                if (script == null || script.hasErrored() || !script.hasCode())
                    continue;
                script.run(hookName, event);
            }
        }
    }

    public boolean isClient() {
        return this.npc.isClientWorld();
    }

    public boolean getEnabled() {
        return this.enabled;
    }

    public void setEnabled(boolean bo) {
        this.enabled = bo;
    }

    public String getLanguage() {
        return this.scriptLanguage;
    }

    public void setLanguage(String lang) {
        this.scriptLanguage = lang;
    }

    public void setScripts(List<IScriptUnit> list) {
        this.scripts = list;
    }

    public List<IScriptUnit> getScripts() {
        return this.scripts;
    }

    public String noticeString() {
        if (this.npc == null) {
            return "Global script";
        } else {
            BlockPos pos = new BlockPos(this.npc);
            return GlobalNPCDataScript.toStringHelper(this.npc).add("x", pos.getX()).add("y", pos.getY()).add("z", pos.getZ()).toString();
        }
    }

    public ICustomNpc getNpc() {
        if (this.npcAPI == null) {
            this.npcAPI = (ICustomNpc) NpcAPI.Instance().getIEntity(this.npc);
        }
        return this.npcAPI;
    }

    public Map<Long, String> getConsoleText() {
        TreeMap<Long, String> map = new TreeMap<>();
        int tab = 0;
        for (IScriptUnit script : this.getScripts()) {
            ++tab;
            for (Map.Entry<Long, String> entry : script.getConsole().entrySet()) {
                map.put(entry.getKey(), " tab " + tab + ":\n" + entry.getValue());
            }
        }
        return map;
    }

    public void clearConsole() {
        for (IScriptUnit script : this.getScripts()) {
            script.clearConsole();
        }
    }

    public static final class ToStringHelper {
        private final String className;
        private final GlobalNPCDataScript.ToStringHelper.ValueHolder holderHead;
        private GlobalNPCDataScript.ToStringHelper.ValueHolder holderTail;
        private boolean omitNullValues;
        private boolean omitEmptyValues;

        private ToStringHelper(String className) {
            this.holderHead = new GlobalNPCDataScript.ToStringHelper.ValueHolder();
            this.holderTail = this.holderHead;
            this.omitNullValues = false;
            this.omitEmptyValues = false;
            this.className = (String) Preconditions.checkNotNull(className);
        }

        public GlobalNPCDataScript.ToStringHelper omitNullValues() {
            this.omitNullValues = true;
            return this;
        }

        public GlobalNPCDataScript.ToStringHelper add(String name, @CheckForNull Object value) {
            return this.addHolder(name, value);
        }

        public GlobalNPCDataScript.ToStringHelper add(String name, boolean value) {
            return this.addUnconditionalHolder(name, String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper add(String name, char value) {
            return this.addUnconditionalHolder(name, String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper add(String name, double value) {
            return this.addUnconditionalHolder(name, String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper add(String name, float value) {
            return this.addUnconditionalHolder(name, String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper add(String name, int value) {
            return this.addUnconditionalHolder(name, String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper add(String name, long value) {
            return this.addUnconditionalHolder(name, String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper addValue(@CheckForNull Object value) {
            return this.addHolder(value);
        }

        public GlobalNPCDataScript.ToStringHelper addValue(boolean value) {
            return this.addUnconditionalHolder(String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper addValue(char value) {
            return this.addUnconditionalHolder(String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper addValue(double value) {
            return this.addUnconditionalHolder(String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper addValue(float value) {
            return this.addUnconditionalHolder(String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper addValue(int value) {
            return this.addUnconditionalHolder(String.valueOf(value));
        }

        public GlobalNPCDataScript.ToStringHelper addValue(long value) {
            return this.addUnconditionalHolder(String.valueOf(value));
        }

        private static boolean isEmpty(Object value) {
            if (value instanceof CharSequence) {
                return ((CharSequence) value).length() == 0;
            } else if (value instanceof Collection) {
                return ((Collection) value).isEmpty();
            } else if (value instanceof Map) {
                return ((Map) value).isEmpty();
            } else if (value instanceof Optional) {
                return !((Optional) value).isPresent();
            } else if (value instanceof OptionalInt) {
                return !((OptionalInt) value).isPresent();
            } else if (value instanceof OptionalLong) {
                return !((OptionalLong) value).isPresent();
            } else if (value instanceof OptionalDouble) {
                return !((OptionalDouble) value).isPresent();
            } else if (value instanceof com.google.common.base.Optional) {
                return !((com.google.common.base.Optional) value).isPresent();
            } else if (value.getClass().isArray()) {
                return Array.getLength(value) == 0;
            } else {
                return false;
            }
        }

        public String toString() {
            boolean omitNullValuesSnapshot = this.omitNullValues;
            boolean omitEmptyValuesSnapshot = this.omitEmptyValues;
            String nextSeparator = "";
            StringBuilder builder = (new StringBuilder(32)).append(this.className).append('{');
            for (GlobalNPCDataScript.ToStringHelper.ValueHolder valueHolder = this.holderHead.next; valueHolder != null; valueHolder = valueHolder.next) {
                Object value = valueHolder.value;
                if (!(valueHolder instanceof GlobalNPCDataScript.ToStringHelper.UnconditionalValueHolder)) {
                    if (value == null) {
                        if (omitNullValuesSnapshot) {
                            continue;
                        }
                    } else if (omitEmptyValuesSnapshot && isEmpty(value)) {
                        continue;
                    }
                }
                builder.append(nextSeparator);
                nextSeparator = ", ";
                if (valueHolder.name != null) {
                    builder.append(valueHolder.name).append('=');
                }
                if (value != null && value.getClass().isArray()) {
                    Object[] objectArray = new Object[]{value};
                    String arrayString = Arrays.deepToString(objectArray);
                    builder.append(arrayString, 1, arrayString.length() - 1);
                } else {
                    builder.append(value);
                }
            }
            return builder.append('}').toString();
        }

        private GlobalNPCDataScript.ToStringHelper.ValueHolder addHolder() {
            GlobalNPCDataScript.ToStringHelper.ValueHolder valueHolder = new GlobalNPCDataScript.ToStringHelper.ValueHolder();
            this.holderTail = this.holderTail.next = valueHolder;
            return valueHolder;
        }

        private GlobalNPCDataScript.ToStringHelper addHolder(@CheckForNull Object value) {
            GlobalNPCDataScript.ToStringHelper.ValueHolder valueHolder = this.addHolder();
            valueHolder.value = value;
            return this;
        }

        private GlobalNPCDataScript.ToStringHelper addHolder(String name, @CheckForNull Object value) {
            GlobalNPCDataScript.ToStringHelper.ValueHolder valueHolder = this.addHolder();
            valueHolder.value = value;
            valueHolder.name = (String) Preconditions.checkNotNull(name);
            return this;
        }

        private GlobalNPCDataScript.ToStringHelper.UnconditionalValueHolder addUnconditionalHolder() {
            GlobalNPCDataScript.ToStringHelper.UnconditionalValueHolder valueHolder = new GlobalNPCDataScript.ToStringHelper.UnconditionalValueHolder();
            this.holderTail = this.holderTail.next = valueHolder;
            return valueHolder;
        }

        private GlobalNPCDataScript.ToStringHelper addUnconditionalHolder(Object value) {
            GlobalNPCDataScript.ToStringHelper.UnconditionalValueHolder valueHolder = this.addUnconditionalHolder();
            valueHolder.value = value;
            return this;
        }

        private GlobalNPCDataScript.ToStringHelper addUnconditionalHolder(String name, Object value) {
            GlobalNPCDataScript.ToStringHelper.UnconditionalValueHolder valueHolder = this.addUnconditionalHolder();
            valueHolder.value = value;
            valueHolder.name = (String) Preconditions.checkNotNull(name);
            return this;
        }

        private static final class UnconditionalValueHolder extends GlobalNPCDataScript.ToStringHelper.ValueHolder {
            private UnconditionalValueHolder() {
                super();
            }
        }

        private static class ValueHolder {
            @CheckForNull
            String name;
            @CheckForNull
            Object value;
            @CheckForNull
            GlobalNPCDataScript.ToStringHelper.ValueHolder next;

            private ValueHolder() {
            }
        }
    }

    public static GlobalNPCDataScript.ToStringHelper toStringHelper(Object self) {
        return new GlobalNPCDataScript.ToStringHelper(self.getClass().getSimpleName());
    }
}