package Sdf1_login;

import org.bukkit.Bukkit;
import org.bukkit.entity.Player;

import java.text.SimpleDateFormat;
import java.util.*;

public class InviteManager {

    private final Main plugin;

    public InviteManager(Main plugin) {
        this.plugin = plugin;
    }

    public String generateCode(Player p) {
        String code = PasswordUtils.generateInviteCode();
        plugin.getDb().setField(
                p.getName(), "invite_code", code);
        return code;
    }

    public void onInviteeCheckIn(String inviteeName) {
        String invitedBy = (String) plugin.getDb()
                .getField(inviteeName, "invited_by");
        if (invitedBy == null || invitedBy.isEmpty()) return;

        String month = new SimpleDateFormat("yyyy-MM")
                .format(new Date());
        String lastMonth = (String) plugin.getDb()
                .getField(invitedBy, "invite_month");

        if (!month.equals(lastMonth)) {
            plugin.getDb().setField(
                    invitedBy, "invite_month", month);
            plugin.getDb().setField(
                    invitedBy, "monthly_invite_count", 0);
        }

        int count = ((Number) plugin.getDb()
                .getField(invitedBy,
                        "monthly_invite_count")).intValue();
        plugin.getDb().setField(
                invitedBy, "monthly_invite_count", count + 1);

        double rate = 0.10;
        if (count + 1 > 15) {
            rate = 0.60;
        } else if (count + 1 > 10) {
            rate = 0.35;
        } else if (count + 1 > 5) {
            rate = 0.15;
        }

        int bonus = (int) (1 * rate);
        if (bonus > 0) {
            plugin.getDb().addPoints(invitedBy, bonus);
            Player inviterPlayer = Bukkit
                    .getPlayerExact(invitedBy);
            if (inviterPlayer != null
                    && inviterPlayer.isOnline()) {
                inviterPlayer.sendMessage(
                        plugin.getConfig2().msg(
                                "invite_referral_bonus",
                                "points",
                                String.valueOf(bonus)));
            }
        }
    }

    public List<Map<String, Object>> getAllInviteData() {
        List<Map<String, Object>> result = new ArrayList<>();
        for (Map<String, Object> user
                : plugin.getDb().getAllUsers()) {
            String code = (String) user.getOrDefault(
                    "invite_code", "");
            if (!code.isEmpty()) {
                Map<String, Object> row = new LinkedHashMap<>();
                row.put("player",
                        user.get("player_name"));
                row.put("code", code);
                row.put("monthly",
                        user.getOrDefault(
                                "monthly_invite_count", 0));
                result.add(row);
            }
        }
        return result;
    }
}