package com.massivecraft.factions.cmd;

import com.massivecraft.factions.cmd.type.TypeFaction;
import com.massivecraft.factions.cmd.type.TypeRank;
import com.massivecraft.factions.entity.Faction;
import com.massivecraft.factions.entity.Rank;
import com.massivecraft.massivecore.MassiveException;
import com.massivecraft.massivecore.command.type.primitive.TypeInteger;

import java.util.Collection;

public class CmdFactionsRankEditPriority extends FactionsCommand {
    // -------------------------------------------- //
    // CONSTRUCT
    // -------------------------------------------- //

    public CmdFactionsRankEditPriority() {
        // Parameters
        this.addParameter(TypeRank.get(), "rank");
        this.addParameter(TypeInteger.get(), "new priority");
        this.addParameter(TypeFaction.get(), "faction", "you");
    }

    // -------------------------------------------- //
    // OVERRIDE
    // -------------------------------------------- //

    @Override
    public void perform() throws MassiveException {
        // Args
        Integer priority = this.readArgAt(1);
        Faction faction = this.readArgAt(2, msenderFaction);

        // Rank if any passed.
        TypeRank typeRank = new TypeRank(faction);
        Rank rank = typeRank.read(this.argAt(0), sender);

        CmdFactionsRankEdit.ensureAllowed(msender, faction, "edit");

        Collection<Rank> ranks = faction.getRanks().getAll();

        if (ranks.stream().map(Rank::getPriority).anyMatch(s -> s.equals(priority))) {
            throw new MassiveException().addMsg("<b>There is already a rank with the priority <h>%s<b>.", priority);
        }

        if (rank.isLeader()) {
            Rank below = rank.getRankBelow();
            if (below.getPriority() > priority) {
                throw new MassiveException().addMsg("<b>The leader rank must have the highest priority.");
            }
        } else {
            if (priority >= faction.getLeaderRank().getPriority()) {
                throw new MassiveException().addMsg("<b>No rank can have higher priority than the leader rank.");
            }
        }

        int priorPriority = rank.getPriority();
        rank.setPriority(priority);

        // Visual
        msg("<i>You changed the priority of <reset>%s <i>from <h>%s <i>to <h>%s<i>.", rank.getVisual(), priorPriority, priority);
    }

}