package storage

import (
	"context"
	"database/sql"
	"time"

	"github.com/shopspring/decimal"

	"dashboard-cdc-worker/internal/dashboard"
)

func (r *MySQLRepository) ApplyDailyContribution(ctx context.Context, tx *sql.Tx, c dashboard.Contribution, storageZone string) error {
	zone, err := time.LoadLocation(storageZone)
	if err != nil {
		zone = time.UTC
	}
	day := dashboard.DailyDate(c.EventTime, zone)
	newUserRecharge := decimal.Zero
	if dashboard.SamePeriod(c.UserCreatedAt, c.EventTime, dashboard.PeriodWindow{Type: dashboard.PeriodDay}, zone) {
		newUserRecharge = c.NewUserRechargeCandidate
	}
	if err := r.upsertDailyAmounts(ctx, tx, c, day, newUserRecharge); err != nil {
		return err
	}
	if c.CountryNewUser > 0 {
		if err := r.applyDailyUserMetric(ctx, tx, c, day, dashboard.MetricCountryNewUser); err != nil {
			return err
		}
	}
	if c.LuckyGiftUser {
		if err := r.applyDailyUserMetric(ctx, tx, c, day, dashboard.MetricLuckyGiftUser); err != nil {
			return err
		}
	}
	if c.GameUser {
		if err := r.applyDailyUserMetric(ctx, tx, c, day, dashboard.MetricGameUser); err != nil {
			return err
		}
	}
	return nil
}

func (r *MySQLRepository) ApplyPeriodContribution(ctx context.Context, tx *sql.Tx, c dashboard.Contribution, statTimezone string) error {
	zone, err := time.LoadLocation(statTimezone)
	if err != nil {
		zone = time.UTC
	}
	for _, window := range dashboard.PeriodWindows(c.EventTime, zone) {
		newUserRecharge := decimal.Zero
		if dashboard.SamePeriod(c.UserCreatedAt, c.EventTime, window, zone) {
			newUserRecharge = c.NewUserRechargeCandidate
		}
		if err := r.upsertPeriodAmounts(ctx, tx, c, window, statTimezone, newUserRecharge); err != nil {
			return err
		}
		if c.CountryNewUser > 0 {
			if err := r.applyPeriodUserMetric(ctx, tx, c, window, statTimezone, dashboard.MetricCountryNewUser); err != nil {
				return err
			}
		}
		if c.LuckyGiftUser {
			if err := r.applyPeriodUserMetric(ctx, tx, c, window, statTimezone, dashboard.MetricLuckyGiftUser); err != nil {
				return err
			}
		}
		if c.GameUser {
			if err := r.applyPeriodUserMetric(ctx, tx, c, window, statTimezone, dashboard.MetricGameUser); err != nil {
				return err
			}
		}
	}
	return nil
}

func (r *MySQLRepository) ApplyGamePeriodContribution(ctx context.Context, tx *sql.Tx, c dashboard.Contribution, statTimezone string) error {
	if c.GameProvider == "" || c.GameID == "" {
		return nil
	}
	zone, err := time.LoadLocation(statTimezone)
	if err != nil {
		zone = time.UTC
	}
	for _, window := range dashboard.PeriodWindows(c.EventTime, zone) {
		if err := r.upsertGamePeriodAmounts(ctx, tx, c, window, statTimezone); err != nil {
			return err
		}
		if c.GameUser {
			if err := r.applyGamePeriodUserMetric(ctx, tx, c, window, statTimezone); err != nil {
				return err
			}
		}
	}
	return nil
}

func (r *MySQLRepository) upsertDailyAmounts(ctx context.Context, tx *sql.Tx, c dashboard.Contribution, day time.Time, newUserRecharge decimal.Decimal) error {
	sign := decimal.NewFromInt(int64(c.DeltaSign))
	_, err := tx.ExecContext(ctx, `
INSERT INTO country_dashboard_daily_metric (
  stat_date, date_number, sys_origin, country_code, country_name,
  new_user_recharge, official_recharge, mifapay_recharge, google_recharge,
  dealer_recharge, salary_exchange, lucky_gift_total_flow, lucky_gift_payout,
  game_total_flow, game_payout, refreshed_at
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW())
ON DUPLICATE KEY UPDATE
  country_name = VALUES(country_name),
  new_user_recharge = new_user_recharge + VALUES(new_user_recharge),
  official_recharge = official_recharge + VALUES(official_recharge),
  mifapay_recharge = mifapay_recharge + VALUES(mifapay_recharge),
  google_recharge = google_recharge + VALUES(google_recharge),
  dealer_recharge = dealer_recharge + VALUES(dealer_recharge),
  salary_exchange = salary_exchange + VALUES(salary_exchange),
  lucky_gift_total_flow = lucky_gift_total_flow + VALUES(lucky_gift_total_flow),
  lucky_gift_payout = lucky_gift_payout + VALUES(lucky_gift_payout),
  game_total_flow = game_total_flow + VALUES(game_total_flow),
  game_payout = game_payout + VALUES(game_payout),
  refreshed_at = NOW()
`, day, dashboard.DateNumber(day), c.SysOrigin, c.Country.Code, c.Country.Name,
		newUserRecharge.Mul(sign), c.OfficialRecharge.Mul(sign), c.MifapayRecharge.Mul(sign), c.GoogleRecharge.Mul(sign),
		c.DealerRecharge.Mul(sign), c.SalaryExchange.Mul(sign), c.LuckyGiftTotalFlow.Mul(sign), c.LuckyGiftPayout.Mul(sign),
		c.GameTotalFlow.Mul(sign), c.GamePayout.Mul(sign))
	return err
}

func (r *MySQLRepository) upsertPeriodAmounts(ctx context.Context, tx *sql.Tx, c dashboard.Contribution, window dashboard.PeriodWindow, statTimezone string, newUserRecharge decimal.Decimal) error {
	sign := decimal.NewFromInt(int64(c.DeltaSign))
	_, err := tx.ExecContext(ctx, `
INSERT INTO country_dashboard_period_metric (
  period_type, period_key, stat_timezone, period_name, period_start_date, period_end_date,
  sys_origin, country_code, country_name, new_user_recharge, official_recharge, mifapay_recharge,
  google_recharge, dealer_recharge, salary_exchange, lucky_gift_total_flow, lucky_gift_payout,
  game_total_flow, game_payout, refreshed_at
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW())
ON DUPLICATE KEY UPDATE
  period_name = VALUES(period_name),
  period_start_date = VALUES(period_start_date),
  period_end_date = VALUES(period_end_date),
  country_name = VALUES(country_name),
  new_user_recharge = new_user_recharge + VALUES(new_user_recharge),
  official_recharge = official_recharge + VALUES(official_recharge),
  mifapay_recharge = mifapay_recharge + VALUES(mifapay_recharge),
  google_recharge = google_recharge + VALUES(google_recharge),
  dealer_recharge = dealer_recharge + VALUES(dealer_recharge),
  salary_exchange = salary_exchange + VALUES(salary_exchange),
  lucky_gift_total_flow = lucky_gift_total_flow + VALUES(lucky_gift_total_flow),
  lucky_gift_payout = lucky_gift_payout + VALUES(lucky_gift_payout),
  game_total_flow = game_total_flow + VALUES(game_total_flow),
  game_payout = game_payout + VALUES(game_payout),
  refreshed_at = NOW()
`, window.Type, window.Key, statTimezone, window.Name, window.StartDate, window.EndDate,
		c.SysOrigin, c.Country.Code, c.Country.Name, newUserRecharge.Mul(sign), c.OfficialRecharge.Mul(sign),
		c.MifapayRecharge.Mul(sign), c.GoogleRecharge.Mul(sign), c.DealerRecharge.Mul(sign), c.SalaryExchange.Mul(sign),
		c.LuckyGiftTotalFlow.Mul(sign), c.LuckyGiftPayout.Mul(sign), c.GameTotalFlow.Mul(sign), c.GamePayout.Mul(sign))
	return err
}

func (r *MySQLRepository) upsertGamePeriodAmounts(ctx context.Context, tx *sql.Tx, c dashboard.Contribution, window dashboard.PeriodWindow, statTimezone string) error {
	sign := decimal.NewFromInt(int64(c.DeltaSign))
	_, err := tx.ExecContext(ctx, `
INSERT INTO country_dashboard_game_period_metric (
  period_type, period_key, stat_timezone, period_name, period_start_date, period_end_date,
  sys_origin, country_code, country_name, game_provider, game_id, game_name,
  consume_amount, payout_amount, profit_amount, order_count, refreshed_at
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW())
ON DUPLICATE KEY UPDATE
  period_name = VALUES(period_name),
  period_start_date = VALUES(period_start_date),
  period_end_date = VALUES(period_end_date),
  country_name = VALUES(country_name),
  game_name = VALUES(game_name),
  consume_amount = consume_amount + VALUES(consume_amount),
  payout_amount = payout_amount + VALUES(payout_amount),
  profit_amount = profit_amount + VALUES(profit_amount),
  order_count = order_count + VALUES(order_count),
  refreshed_at = NOW()
`, window.Type, window.Key, statTimezone, window.Name, window.StartDate, window.EndDate,
		c.SysOrigin, c.Country.Code, c.Country.Name, c.GameProvider, c.GameID, c.GameName,
		c.GameConsume.Mul(sign), c.GamePayoutBy.Mul(sign), c.GameProfit.Mul(sign), c.GameOrder*int64(c.DeltaSign))
	return err
}