package com.massivecraft.factions.cmd;

import com.massivecraft.factions.SavageFactions;
import com.massivecraft.factions.struct.Relation;
import com.massivecraft.factions.struct.Role;
import com.massivecraft.factions.zcore.fperms.Access;
import com.massivecraft.factions.zcore.fperms.Permissable;
import com.massivecraft.factions.zcore.fperms.PermissableAction;
import com.massivecraft.factions.zcore.fperms.gui.PermissableActionGUI;
import com.massivecraft.factions.zcore.fperms.gui.PermissableRelationGUI;
import com.massivecraft.factions.zcore.util.TL;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

public class CmdPerm extends FCommand {

	public CmdPerm() {
		super();
		this.aliases.add("perm");
		this.aliases.add("perms");
		this.aliases.add("permission");
		this.aliases.add("permissions");

		this.optionalArgs.put("relation", "relation");
		this.optionalArgs.put("action", "action");
		this.optionalArgs.put("access", "access");


		this.disableOnLock = true;

		senderMustBePlayer = true;
		senderMustBeMember = true;
		senderMustBeModerator = false;
		senderMustBeColeader = false;
		senderMustBeAdmin = true;

	}

	@Override
	public void perform() {
		if (args.size() == 0) {
			PermissableRelationGUI gui = new PermissableRelationGUI(fme);
			gui.build();

			me.openInventory(gui.getInventory());
			return;
		} else if (args.size() == 1 && getPermissable(argAsString(0)) != null) {
			PermissableActionGUI gui = new PermissableActionGUI(fme, getPermissable(argAsString(0)));
			gui.build();

			me.openInventory(gui.getInventory());
			return;
		}

		// If not opening GUI, then setting the permission manually.
		if (args.size() != 3) {
			fme.msg(TL.COMMAND_PERM_DESCRIPTION);
			return;
		}

		Set<Permissable> permissables = new HashSet<>();
		Set<PermissableAction> permissableActions = new HashSet<>();

		boolean allRelations = argAsString(0).equalsIgnoreCase("all");
		boolean allActions = argAsString(1).equalsIgnoreCase("all");

		if (allRelations) {
			permissables.addAll(myFaction.getPermissions().keySet());
		} else {
			Permissable permissable = getPermissable(argAsString(0));

			if (permissable == null) {
				fme.msg(TL.COMMAND_PERM_INVALID_RELATION);
				return;
			}

			permissables.add(permissable);
		}

		if (allActions) {
			permissableActions.addAll(Arrays.asList(PermissableAction.values()));
		} else {
			PermissableAction permissableAction = PermissableAction.fromString(argAsString(1));
			if (permissableAction == null) {
				fme.msg(TL.COMMAND_PERM_INVALID_ACTION);
				return;
			}

			permissableActions.add(permissableAction);
		}

		Access access = Access.fromString(argAsString(2));

		if (access == null) {
			fme.msg(TL.COMMAND_PERM_INVALID_ACCESS);
			return;
		}

		for (Permissable permissable : permissables) {
			for (PermissableAction permissableAction : permissableActions) {
				fme.getFaction().setPermission(permissable, permissableAction, access);
			}
		}

		fme.msg(TL.COMMAND_PERM_SET, argAsString(1), access.name(), argAsString(0));
		SavageFactions.plugin.log(String.format(TL.COMMAND_PERM_SET.toString(), argAsString(1), access.name(), argAsString(0)) + " for faction " + fme.getTag());
	}

	private Permissable getPermissable(String name) {
		if (Role.fromString(name.toUpperCase()) != null) {
			return Role.fromString(name.toUpperCase());
		} else if (Relation.fromString(name.toUpperCase()) != null) {
			return Relation.fromString(name.toUpperCase());
		} else {
			return null;
		}
	}

	@Override
	public TL getUsageTranslation() {
		return TL.COMMAND_PERM_DESCRIPTION;
	}

}