package app.services.db;

import app.entities.DonateStatistic;
import app.entities.StatisticRange;
import app.entities.Stats;
import app.entities.VipGiveMethod;
import app.entities.db.DonateStat;
import app.entities.other.SteamID;
import jakarta.annotation.PostConstruct;
import org.apache.commons.lang3.tuple.Pair;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.ResultSetExtractor;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.stereotype.Component;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;

@Component
public class DonateService {

    @Autowired
    @Qualifier("jt_ro")
    private JdbcTemplate jdbcTemplate;

    private Stats stats;

    @Autowired
    public DonateService(Stats stats) {
        this.stats = stats;
    }

    //KEY, METAL
    public Pair<Integer, Integer> getSummarySteamDonateValue(StatisticRange statisticRange) {
        return jdbcTemplate.query("SELECT SUM(CAST(REPLACE(REPLACE(split_part(reserved,';',-2), 'metal=',''), ';','') AS INT)) as r," +
                        " SUM(CAST(REPLACE(REPLACE(split_part(reserved,';',1), 'keys=',''), ';','') as INT)) as k " +
                        "FROM gived_vip WHERE givemethod = ? AND timestamp > date_trunc(?,now())::DATE",
                new Object[]{VipGiveMethod.STEAM.ordinal(), StatisticRange.cast(statisticRange)},
                (rs, n) -> Pair.of(
                        Optional.of(rs.getInt("k")).orElse(0),
                        Optional.of(rs.getInt("r")).orElse(0)
                ))
                .stream().findFirst().orElse(Pair.of(0,0));
    }

    public Integer getSummaryQiwiDonateValue(StatisticRange statisticRange) {
        return jdbcTemplate.query("SELECT SUM(CAST(REPLACE(REPLACE(split_part(reserved,';',1), 'rub=',''), ';','') as INT)) as k " +
                "FROM gived_vip WHERE givemethod = ? AND timestamp > date_trunc(?,now())::DATE",
                new Object[]{ VipGiveMethod.QIWI.ordinal(), StatisticRange.cast(statisticRange)},
                (rs, n) -> rs.getInt("k")).stream().findFirst().orElse(0);
    }

    public Integer getSummaryDonationAlertsDonateValue(StatisticRange statisticRange) {
        return jdbcTemplate.query("SELECT SUM(CAST(REPLACE(REPLACE(split_part(reserved,';',1), 'rub=',''), ';','') as INT)) as k " +
                        "FROM gived_vip WHERE givemethod = ? AND timestamp > date_trunc(?,now())::DATE",
                new Object[]{ VipGiveMethod.DONATIONALERTS.ordinal(), StatisticRange.cast(statisticRange)},
                (rs, n) -> rs.getInt("k")).stream().findFirst().orElse(0);
    }

    //no need if use getGivedVipStatistic
    public Long getSummaryGivedFreeVip(StatisticRange statisticRange) {
        return jdbcTemplate.query("SELECT COUNT(*) as count FROM gived_vip WHERE givemethod = ? AND timestamp > date_trunc(?,now())::DATE",
                new Object[]{ VipGiveMethod.FREE.ordinal(), StatisticRange.cast(statisticRange) },
                (rs, n) -> rs.getLong("count"))
                .stream().findFirst().orElse(0L);
    }

    public HashMap getGivedVipStatistic(StatisticRange statisticRange) {
        List<DonateStatistic> donateStatistics = jdbcTemplate.query("SELECT givemethod,COUNT(*) as count, amount FROM gived_vip WHERE givemethod IN (0,1,2,6) AND timestamp > date_trunc(?,now())::DATE GROUP BY givemethod, amount",
                new Object[]{StatisticRange.cast(statisticRange)},
                (rs, n) -> new DonateStatistic(rs));

        HashMap<String, HashMap> map = new HashMap<>();
        map.put("steam", new HashMap<>());
        map.put("qiwi", new HashMap<>());
        map.put("free", new HashMap<>());
        map.put("donationalerts", new HashMap<>());
        donateStatistics.forEach(ds -> {
            switch (ds.getGiveMethod()) {
                case FREE -> map.get("free").put("day", ds.getCount());
                case STEAM -> {
                    switch (ds.getAmount()) {
                        case 86400 -> map.get("steam").put("day", ds.getCount());
                        case 604800 -> map.get("steam").put("week", ds.getCount());
                        case 2678400, 2592000 -> map.get("steam").put("month", ds.getCount());
                    }
                }
                case QIWI -> {
                    switch (ds.getAmount()) {
                        case 86400 -> map.get("qiwi").put("day", ds.getCount());
                        case 604800 -> map.get("qiwi").put("week", ds.getCount());
                        case 2678400, 2592000 -> map.get("qiwi").put("month", ds.getCount());
                    }
                }
                case DONATIONALERTS -> {
                    switch (ds.getAmount()) {
                        case 86400 -> map.get("donationalerts").put("day", ds.getCount());
                        case 604800 -> map.get("donationalerts").put("week", ds.getCount());
                        case 2678400, 2592000 -> map.get("donationalerts").put("month", ds.getCount());
                    }
                }
            }
        });

        return map;
    }

    public List<DonateStat> getDonateStatistic(SteamID steamID) {
        return jdbcTemplate.query("SELECT *, extract(epoch from timestamp) as utime FROM gived_vip WHERE steam2 LIKE ?",
                new Object[]{steamID.steam2},
                (rs, n) -> new DonateStat(rs));
    }

    public HashMap getDonateStatistic(StatisticRange statisticRange) {
        Pair<Integer, Integer> summary_steam = getSummarySteamDonateValue(statisticRange);
        Integer summary_qiwi = getSummaryQiwiDonateValue(statisticRange);
        Integer summary_da = getSummaryDonationAlertsDonateValue(statisticRange);
        HashMap statistic = getGivedVipStatistic(statisticRange);
        return new HashMap(
            Map.of(
                    "summary", Map.of(
                            "steam", Map.of("key", summary_steam.getLeft(), "metal", summary_steam.getRight()),
                            "qiwi", summary_qiwi,
                            "donationalerts", summary_da),
                    "statistic", statistic
            )
        );
    }

    @PostConstruct
    public void UpdateStatistic() {
        try {
            stats.getDonate().put("day", getDonateStatistic(StatisticRange.DAY));
            stats.getDonate().put("month", getDonateStatistic(StatisticRange.MONTH));
            stats.getDonate().put("year", getDonateStatistic(StatisticRange.YEAR));
        } catch (Exception err) {
            err.printStackTrace();
        }
    }

    //надо добавить шейхов GROUP BY steam2 ORDER BY r DESC
}