package client.inventory;

import java.util.logging.Level;
import java.util.logging.Logger;
import java.sql.ResultSet;
import java.sql.PreparedStatement;
import java.sql.Connection;
import java.util.Iterator;
import java.sql.SQLException;

import tools.FileoutputUtil;
import constants.GameConstants;
import database.DBConPool;

import java.util.LinkedHashMap;

import tools.Pair;

import java.util.Map;
import java.util.Arrays;
import java.util.List;

public enum ItemLoader {
    INVENTORY("inventoryitems", "inventoryequipment", 0, new String[]{"characterid"}),
    STORAGE("inventoryitems", "inventoryequipment", 1, new String[]{"accountid"}),
    CASHSHOP_EXPLORER("csitems", "csequipment", 2, new String[]{"accountid"}),
    CASHSHOP_CYGNUS("csitems", "csequipment", 3, new String[]{"accountid"}),
    CASHSHOP_ARAN("csitems", "csequipment", 4, new String[]{"accountid"}),
    HIRED_MERCHANT("hiredmerchitems", "hiredmerchequipment", 5, new String[]{"packageid", "accountid"}),
    DUEY("dueyitems", "dueyequipment", 6, new String[]{"packageid"}),
    CASHSHOP_EVAN("csitems", "csequipment", 7, new String[]{"accountid"}),
    MTS("mtsitems", "mtsequipment", 8, new String[]{"packageid"}),
    MTS_TRANSFER("mtstransfer", "mtstransferequipment", 9, new String[]{"characterid"}),
    CASHSHOP_DB("csitems", "csequipment", 10, new String[]{"accountid"}),
    CASHSHOP_RESIST("csitems", "csequipment", 11, new String[]{"accountid"});

    private final int value;
    private final String table;
    private final String table_equip;
    private List<String> arg;

    private ItemLoader(final String table, final String table_equip, final int value, final String[] arg) {
        this.table = table;
        this.table_equip = table_equip;
        this.value = value;
        this.arg = Arrays.asList(arg);
    }

    public int getValue() {
        return this.value;
    }

    public Map<Long, Pair<IItem, MapleInventoryType>> loadItems(final boolean login, final Integer... id) throws SQLException {
        final List<Integer> lulz = Arrays.asList(id);
        final Map<Long, Pair<IItem, MapleInventoryType>> items = (Map<Long, Pair<IItem, MapleInventoryType>>) new LinkedHashMap();
        if (lulz.size() != this.arg.size()) {
            return items;
        }
        final StringBuilder query = new StringBuilder();
        query.append("SELECT * FROM `");
        query.append(this.table);
        query.append("` LEFT JOIN `");
        query.append(this.table_equip);
        query.append("` USING(`inventoryitemid`) WHERE `type` = ?");
        for (final String g : this.arg) {
            query.append(" AND `");
            query.append(g);
            query.append("` = ?");
        }
        if (login) {
            query.append(" AND `inventorytype` = ");
            query.append((int) MapleInventoryType.EQUIPPED.getType());
        }
        try (final Connection con = (Connection) DBConPool.getInstance().getDataSource().getConnection()) {
            final PreparedStatement ps = con.prepareStatement(query.toString());
            ps.setInt(1, this.value);
            for (int i = 0; i < lulz.size(); ++i) {
                ps.setInt(i + 2, ((Integer) lulz.get(i)).intValue());
            }
            final ResultSet rs = ps.executeQuery();
            while (rs.next()) {
                final MapleInventoryType mit = MapleInventoryType.getByType(rs.getByte("inventorytype"));
                if (mit.equals(MapleInventoryType.EQUIP) || mit.equals(MapleInventoryType.EQUIPPED)) {
                    final Equip equip = new Equip(rs.getInt("itemid"), rs.getShort("position"), rs.getInt("uniqueid"), rs.getByte("flag"));
                    if (!login) {
                        equip.setQuantity((short) 1);
                        equip.setInventoryId(rs.getLong("inventoryitemid"));
                        equip.setOwner(rs.getString("owner"));
                        equip.setExpiration(rs.getLong("expiredate"));
                        equip.setUpgradeSlots(rs.getByte("upgradeslots"));
                        equip.setLevel(rs.getByte("level"));
                        equip.setStr(rs.getShort("str"));
                        equip.setDex(rs.getShort("dex"));
                        equip.setInt(rs.getShort("int"));
                        equip.setLuk(rs.getShort("luk"));
                        equip.setHp(rs.getShort("hp"));
                        equip.setMp(rs.getShort("mp"));
                        equip.setWatk(rs.getShort("watk"));
                        equip.setMatk(rs.getShort("matk"));
                        equip.setWdef(rs.getShort("wdef"));
                        equip.setMdef(rs.getShort("mdef"));
                        equip.setAcc(rs.getShort("acc"));
                        equip.setAvoid(rs.getShort("avoid"));
                        equip.setHands(rs.getShort("hands"));
                        equip.setSpeed(rs.getShort("speed"));
                        equip.setJump(rs.getShort("jump"));
                        equip.setViciousHammer(rs.getByte("ViciousHammer"));
                        equip.setItemEXP(rs.getInt("itemEXP"));
                        equip.setGMLog(rs.getString("GM_Log"));
                        equip.setDurability(rs.getInt("durability"));
                        equip.setEnhance(rs.getByte("enhance"));
                        equip.setPotential1(rs.getShort("potential1"));
                        equip.setPotential2(rs.getShort("potential2"));
                        equip.setPotential3(rs.getShort("potential3"));
                        equip.setHpR(rs.getShort("hpR"));
                        equip.setMpR(rs.getShort("mpR"));
                        equip.setdd(rs.getString("dd"));
                        equip.setdb(rs.getString("db"));
                        equip.setqg(rs.getString("qg"));
                        equip.setGiftFrom(rs.getString("sender"));
                        if (equip.getUniqueId() > -1 && GameConstants.isEffectRing(rs.getInt("itemid"))) {
                            final MapleRing ring = MapleRing.loadFromDb(equip.getUniqueId(), mit.equals(MapleInventoryType.EQUIPPED));
                            if (ring != null) {
                                equip.setRing(ring);
                            }
                        }
                    }
                    items.put(Long.valueOf(rs.getLong("inventoryitemid")), new Pair(equip.copy(), mit));
                } else {
                    final Item item = new Item(rs.getInt("itemid"), rs.getShort("position"), rs.getShort("quantity"), rs.getByte("flag"));
                    item.setUniqueId(rs.getInt("uniqueid"));
                    item.setOwner(rs.getString("owner"));
                    item.setInventoryId(rs.getLong("inventoryitemid"));
                    item.setExpiration(rs.getLong("expiredate"));
                    item.setGMLog(rs.getString("GM_Log"));
                    item.setGiftFrom(rs.getString("sender"));
                    if (GameConstants.isPet(item.getItemId())) {
                        if (item.getUniqueId() > -1) {
                            final MaplePet pet = MaplePet.loadFromDb(item.getItemId(), item.getUniqueId(), item.getPosition());
                            if (pet != null) {
                                item.setPet(pet);
                            }
                        } else {
                            final int new_unique = MapleInventoryIdentifier.getInstance();
                            item.setUniqueId(new_unique);
                            item.setPet(MaplePet.createPet(item.getItemId(), new_unique));
                        }
                    }
                    items.put(Long.valueOf(rs.getLong("inventoryitemid")), new Pair(item.copy(), mit));
                }
            }
            rs.close();
            ps.close();
            con.close();
        } catch (SQLException ex) {
            FileoutputUtil.outError("logs/资料库异常.txt", (Throwable) ex);
        }
        return items;
    }

    public void saveItems(final List<Pair<IItem, MapleInventoryType>> items, final Integer... id) throws SQLException {
        try (final Connection con = (Connection) DBConPool.getInstance().getDataSource().getConnection()) {
            this.saveItems(items, con, id);
            con.close();
        } catch (SQLException ex) {
            FileoutputUtil.outError("logs/资料库异常.txt", (Throwable) ex);
        }
    }

    public void saveItems(final List<Pair<IItem, MapleInventoryType>> items, final Connection con, final Integer... id) throws SQLException {
        try {
            final List<Integer> lulz = Arrays.asList(id);
            if (lulz.size() != this.arg.size()) {
                return;
            }
            final StringBuilder query = new StringBuilder();
            query.append("DELETE FROM `");
            query.append(this.table);
            query.append("` WHERE `type` = ? AND (`");
            query.append((String) this.arg.get(0));
            query.append("` = ?");
            if (this.arg.size() > 1) {
                for (int i = 1; i < this.arg.size(); ++i) {
                    query.append(" OR `");
                    query.append((String) this.arg.get(i));
                    query.append("` = ?");
                }
            }
            query.append(")");
            PreparedStatement ps = con.prepareStatement(query.toString());
            ps.setInt(1, this.value);
            for (int j = 0; j < lulz.size(); ++j) {
                ps.setInt(j + 2, ((Integer) lulz.get(j)).intValue());
            }
            ps.executeUpdate();
            ps.close();
            if (items == null) {
                return;
            }
            final StringBuilder query_2 = new StringBuilder("INSERT INTO `");
            query_2.append(this.table);
            query_2.append("` (");
            for (final String g : this.arg) {
                query_2.append(g);
                query_2.append(", ");
            }
            query_2.append("itemid, inventorytype, position, quantity, owner, GM_Log, uniqueid, expiredate, flag, `type`, sender, equipOnlyId) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?");
            for (final String g : this.arg) {
                query_2.append(", ?");
            }
            query_2.append(")");
            ps = con.prepareStatement(query_2.toString(), 1);
            final PreparedStatement pse = con.prepareStatement("INSERT INTO " + this.table_equip + " VALUES (DEFAULT, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?,?,?,?)", 1);
            for (final Pair<IItem, MapleInventoryType> pair : items) {
                final IItem item = (IItem) pair.getLeft();
                final MapleInventoryType mit = (MapleInventoryType) pair.getRight();
                int k = 1;
                for (int x = 0; x < lulz.size(); ++x) {
                    ps.setInt(k, ((Integer) lulz.get(x)).intValue());
                    ++k;
                }
                ps.setInt(k, item.getItemId());
                ps.setInt(k + 1, (int) mit.getType());
                ps.setInt(k + 2, (int) item.getPosition());
                ps.setInt(k + 3, (int) item.getQuantity());
                ps.setString(k + 4, item.getOwner());
                ps.setString(k + 5, item.getGMLog());
                ps.setInt(k + 6, item.getUniqueId());
                ps.setLong(k + 7, item.getExpiration());
                ps.setByte(k + 8, item.getFlag());
                ps.setByte(k + 9, (byte) this.value);
                ps.setString(k + 10, item.getGiftFrom());
                ps.setLong(k + 11, item.getEquipOnlyId());
                ps.executeUpdate();
                if (mit.equals(MapleInventoryType.EQUIP) || mit.equals(MapleInventoryType.EQUIPPED)) {
                    try (final ResultSet rs = ps.getGeneratedKeys()) {
                        if (!rs.next()) {
                            throw new RuntimeException("Inserting item failed.");
                        }
                        pse.setLong(1, rs.getLong(1));
                    }
                    final IEquip equip = (IEquip) item;
                    pse.setInt(2, (int) equip.getUpgradeSlots());
                    pse.setInt(3, (int) equip.getLevel());
                    pse.setInt(4, (int) equip.getStr());
                    pse.setInt(5, (int) equip.getDex());
                    pse.setInt(6, (int) equip.getInt());
                    pse.setInt(7, (int) equip.getLuk());
                    pse.setInt(8, (int) equip.getHp());
                    pse.setInt(9, (int) equip.getMp());
                    pse.setInt(10, (int) equip.getWatk());
                    pse.setInt(11, (int) equip.getMatk());
                    pse.setInt(12, (int) equip.getWdef());
                    pse.setInt(13, (int) equip.getMdef());
                    pse.setInt(14, (int) equip.getAcc());
                    pse.setInt(15, (int) equip.getAvoid());
                    pse.setInt(16, (int) equip.getHands());
                    pse.setInt(17, (int) equip.getSpeed());
                    pse.setInt(18, (int) equip.getJump());
                    pse.setInt(19, (int) equip.getViciousHammer());
                    pse.setLong(20, equip.getItemEXP());
                    pse.setInt(21, equip.getDurability());
                    pse.setByte(22, equip.getEnhance());
                    pse.setInt(23, (int) equip.getPotential1());
                    pse.setInt(24, (int) equip.getPotential2());
                    pse.setInt(25, (int) equip.getPotential3());
                    pse.setInt(26, (int) equip.getHpR());
                    pse.setInt(27, (int) equip.getMpR());
                    pse.setString(28,  equip.getdd());
                    pse.setString(29,  equip.getdb());
                    pse.setString(30,  equip.getqg());
                    pse.executeUpdate();
                }
            }

            pse.close();
            ps.close();
        } catch (SQLException ex) {
            System.out.println(ex);
            FileoutputUtil.outError("logs/资料库异常.txt", (Throwable) ex);
        }
    }

    public static boolean isExistsByUniqueid(final int uniqueid) {
        for (final ItemLoader il : values()) {
            final StringBuilder query = new StringBuilder();
            query.append("SELECT * FROM `inventoryitems` WHERE `type` = ? AND uniqueid = ?");
            try (final Connection con = (Connection) DBConPool.getInstance().getDataSource().getConnection()) {
                final PreparedStatement ps = con.prepareStatement(query.toString());
                ps.setInt(1, il.value);
                ps.setInt(2, uniqueid);
                final ResultSet rs = ps.executeQuery();
                if (rs.first()) {
                    rs.close();
                    ps.close();
                    con.close();
                    return true;
                }
                rs.close();
                ps.close();
                con.close();
            } catch (SQLException ex) {
                Logger.getLogger(ItemLoader.class.getName()).log(Level.SEVERE, null, (Throwable) ex);
                FileoutputUtil.outError("logs/资料库异常.txt", (Throwable) ex);
            }
        }
        return false;
    }
}