package financial

import (
	"context"
	"database/sql"
	"testing"

	_ "github.com/tursodatabase/go-libsql"

	"github.com/felt-app/felt/internal/audit"
	"github.com/felt-app/felt/internal/server/middleware"
	"github.com/felt-app/felt/internal/template"
)

// testDB creates an in-memory SQLite database with the required schema.
func testDB(t *testing.T) *sql.DB {
	t.Helper()
	db, err := sql.Open("libsql", "file::memory:?cache=shared")
	if err != nil {
		t.Fatalf("open test db: %v", err)
	}
	t.Cleanup(func() { db.Close() })

	// Create minimal schema
	stmts := []string{
		`CREATE TABLE IF NOT EXISTS venue_settings (
			id INTEGER PRIMARY KEY CHECK (id = 1),
			venue_name TEXT NOT NULL DEFAULT '',
			currency_code TEXT NOT NULL DEFAULT 'DKK',
			currency_symbol TEXT NOT NULL DEFAULT 'kr',
			rounding_denomination INTEGER NOT NULL DEFAULT 5000,
			receipt_mode TEXT NOT NULL DEFAULT 'digital',
			timezone TEXT NOT NULL DEFAULT 'Europe/Copenhagen',
			created_at INTEGER NOT NULL DEFAULT 0,
			updated_at INTEGER NOT NULL DEFAULT 0
		)`,
		`CREATE TABLE IF NOT EXISTS buyin_configs (
			id INTEGER PRIMARY KEY AUTOINCREMENT,
			name TEXT NOT NULL,
			buyin_amount INTEGER NOT NULL DEFAULT 0,
			starting_chips INTEGER NOT NULL DEFAULT 0,
			rake_total INTEGER NOT NULL DEFAULT 0,
			bounty_amount INTEGER NOT NULL DEFAULT 0,
			bounty_chip INTEGER NOT NULL DEFAULT 0,
			rebuy_allowed INTEGER NOT NULL DEFAULT 0,
			rebuy_cost INTEGER NOT NULL DEFAULT 0,
			rebuy_chips INTEGER NOT NULL DEFAULT 0,
			rebuy_rake INTEGER NOT NULL DEFAULT 0,
			rebuy_limit INTEGER NOT NULL DEFAULT 0,
			rebuy_level_cutoff INTEGER,
			rebuy_time_cutoff_seconds INTEGER,
			rebuy_chip_threshold INTEGER,
			addon_allowed INTEGER NOT NULL DEFAULT 0,
			addon_cost INTEGER NOT NULL DEFAULT 0,
			addon_chips INTEGER NOT NULL DEFAULT 0,
			addon_rake INTEGER NOT NULL DEFAULT 0,
			addon_level_start INTEGER,
			addon_level_end INTEGER,
			reentry_allowed INTEGER NOT NULL DEFAULT 0,
			reentry_limit INTEGER NOT NULL DEFAULT 0,
			late_reg_level_cutoff INTEGER,
			late_reg_time_cutoff_seconds INTEGER,
			created_at INTEGER NOT NULL DEFAULT 0,
			updated_at INTEGER NOT NULL DEFAULT 0
		)`,
		`CREATE TABLE IF NOT EXISTS rake_splits (
			id INTEGER PRIMARY KEY AUTOINCREMENT,
			buyin_config_id INTEGER NOT NULL,
			category TEXT NOT NULL,
			amount INTEGER NOT NULL DEFAULT 0,
			UNIQUE(buyin_config_id, category)
		)`,
		`CREATE TABLE IF NOT EXISTS chip_sets (
			id INTEGER PRIMARY KEY AUTOINCREMENT,
			name TEXT NOT NULL,
			is_builtin INTEGER NOT NULL DEFAULT 0,
			created_at INTEGER NOT NULL DEFAULT 0,
			updated_at INTEGER NOT NULL DEFAULT 0
		)`,
		`CREATE TABLE IF NOT EXISTS blind_structures (
			id INTEGER PRIMARY KEY AUTOINCREMENT,
			name TEXT NOT NULL,
			is_builtin INTEGER NOT NULL DEFAULT 0,
			game_type_default TEXT NOT NULL DEFAULT 'nlhe',
			notes TEXT NOT NULL DEFAULT '',
			created_at INTEGER NOT NULL DEFAULT 0,
			updated_at INTEGER NOT NULL DEFAULT 0
		)`,
		`CREATE TABLE IF NOT EXISTS payout_structures (
			id INTEGER PRIMARY KEY AUTOINCREMENT,
			name TEXT NOT NULL,
			is_builtin INTEGER NOT NULL DEFAULT 0,
			created_at INTEGER NOT NULL DEFAULT 0,
			updated_at INTEGER NOT NULL DEFAULT 0
		)`,
		`CREATE TABLE IF NOT EXISTS tournaments (
			id TEXT PRIMARY KEY,
			name TEXT NOT NULL,
			template_id INTEGER,
			chip_set_id INTEGER NOT NULL DEFAULT 1,
			blind_structure_id INTEGER NOT NULL DEFAULT 1,
			payout_structure_id INTEGER NOT NULL DEFAULT 1,
			buyin_config_id INTEGER NOT NULL,
			points_formula_id INTEGER,
			status TEXT NOT NULL DEFAULT 'created',
			min_players INTEGER NOT NULL DEFAULT 2,
			max_players INTEGER,
			early_signup_bonus_chips INTEGER NOT NULL DEFAULT 0,
			early_signup_cutoff TEXT,
			punctuality_bonus_chips INTEGER NOT NULL DEFAULT 0,
			is_pko INTEGER NOT NULL DEFAULT 0,
			current_level INTEGER NOT NULL DEFAULT 0,
			clock_state TEXT NOT NULL DEFAULT 'stopped',
			clock_remaining_ns INTEGER NOT NULL DEFAULT 0,
			total_elapsed_ns INTEGER NOT NULL DEFAULT 0,
			hand_for_hand INTEGER NOT NULL DEFAULT 0,
			started_at INTEGER,
			ended_at INTEGER,
			created_at INTEGER NOT NULL DEFAULT 0,
			updated_at INTEGER NOT NULL DEFAULT 0
		)`,
		`CREATE TABLE IF NOT EXISTS players (
			id TEXT PRIMARY KEY,
			name TEXT NOT NULL,
			nickname TEXT,
			email TEXT,
			phone TEXT,
			photo_url TEXT,
			notes TEXT,
			custom_fields TEXT,
			created_at INTEGER NOT NULL DEFAULT 0,
			updated_at INTEGER NOT NULL DEFAULT 0
		)`,
		`CREATE TABLE IF NOT EXISTS tournament_players (
			id INTEGER PRIMARY KEY AUTOINCREMENT,
			tournament_id TEXT NOT NULL,
			player_id TEXT NOT NULL,
			status TEXT NOT NULL DEFAULT 'registered',
			seat_table_id INTEGER,
			seat_position INTEGER,
			buy_in_at INTEGER,
			bust_out_at INTEGER,
			bust_out_order INTEGER,
			finishing_position INTEGER,
			current_chips INTEGER NOT NULL DEFAULT 0,
			rebuys INTEGER NOT NULL DEFAULT 0,
			addons INTEGER NOT NULL DEFAULT 0,
			reentries INTEGER NOT NULL DEFAULT 0,
			bounty_value INTEGER NOT NULL DEFAULT 0,
			bounties_collected INTEGER NOT NULL DEFAULT 0,
			prize_amount INTEGER NOT NULL DEFAULT 0,
			points_awarded INTEGER NOT NULL DEFAULT 0,
			early_signup_bonus_applied INTEGER NOT NULL DEFAULT 0,
			punctuality_bonus_applied INTEGER NOT NULL DEFAULT 0,
			hitman_player_id TEXT,
			created_at INTEGER NOT NULL DEFAULT 0,
			updated_at INTEGER NOT NULL DEFAULT 0,
			UNIQUE(tournament_id, player_id)
		)`,
		`CREATE TABLE IF NOT EXISTS transactions (
			id TEXT PRIMARY KEY,
			tournament_id TEXT NOT NULL,
			player_id TEXT NOT NULL,
			type TEXT NOT NULL,
			amount INTEGER NOT NULL DEFAULT 0,
			chips INTEGER NOT NULL DEFAULT 0,
			operator_id TEXT NOT NULL,
			receipt_data TEXT,
			undone INTEGER NOT NULL DEFAULT 0,
			undone_by TEXT,
			metadata TEXT,
			created_at INTEGER NOT NULL DEFAULT 0
		)`,
		`CREATE TABLE IF NOT EXISTS audit_entries (
			id TEXT PRIMARY KEY,
			tournament_id TEXT,
			timestamp INTEGER NOT NULL DEFAULT 0,
			operator_id TEXT NOT NULL,
			action TEXT NOT NULL,
			target_type TEXT NOT NULL DEFAULT '',
			target_id TEXT NOT NULL DEFAULT '',
			previous_state TEXT,
			new_state TEXT,
			metadata TEXT,
			undone_by TEXT
		)`,
		// Seed required references
		`INSERT INTO chip_sets (id, name) VALUES (1, 'Test Chips')`,
		`INSERT INTO blind_structures (id, name) VALUES (1, 'Test Blinds')`,
		`INSERT INTO payout_structures (id, name) VALUES (1, 'Test Payouts')`,
	}

	for _, stmt := range stmts {
		if _, err := db.Exec(stmt); err != nil {
			t.Fatalf("exec schema: %s: %v", stmt[:50], err)
		}
	}

	return db
}

// setupTestEngine creates an Engine with test dependencies.
func setupTestEngine(t *testing.T) (*Engine, *sql.DB) {
	t.Helper()
	db := testDB(t)
	trail := audit.NewTrail(db, nil)
	undo := audit.NewUndoEngine(trail)
	buyinSvc := template.NewBuyinService(db)
	eng := NewEngine(db, trail, undo, nil, buyinSvc)
	return eng, db
}

// seedBuyinConfig creates a test buy-in config and returns its ID.
func seedBuyinConfig(t *testing.T, db *sql.DB, amount, chips, rake int64) int64 {
	t.Helper()
	res, err := db.Exec(
		`INSERT INTO buyin_configs (name, buyin_amount, starting_chips, rake_total,
		 rebuy_allowed, rebuy_cost, rebuy_chips, rebuy_rake, rebuy_limit,
		 addon_allowed, addon_cost, addon_chips, addon_rake,
		 reentry_allowed, reentry_limit)
		 VALUES ('Test Buyin', ?, ?, ?, 1, ?, ?, ?, 3, 1, ?, ?, ?, 1, 2)`,
		amount, chips, rake,
		amount, chips, rake/2, // rebuy costs same as buyin, half rake
		amount/2, chips/2, rake/4, // addon costs half, quarter rake
	)
	if err != nil {
		t.Fatalf("seed buyin config: %v", err)
	}
	id, _ := res.LastInsertId()

	// Add rake splits
	if rake > 0 {
		houseRake := rake * 60 / 100
		staffRake := rake - houseRake
		db.Exec("INSERT INTO rake_splits (buyin_config_id, category, amount) VALUES (?, 'house', ?)", id, houseRake)
		db.Exec("INSERT INTO rake_splits (buyin_config_id, category, amount) VALUES (?, 'staff', ?)", id, staffRake)
	}

	return id
}

// seedTournament creates a test tournament.
func seedTournament(t *testing.T, db *sql.DB, id string, buyinConfigID int64, isPKO bool) {
	t.Helper()
	pko := 0
	if isPKO {
		pko = 1
	}
	_, err := db.Exec(
		`INSERT INTO tournaments (id, name, buyin_config_id, is_pko, status)
		 VALUES (?, 'Test Tournament', ?, ?, 'running')`,
		id, buyinConfigID, pko,
	)
	if err != nil {
		t.Fatalf("seed tournament: %v", err)
	}
}

// seedPlayer creates a test player and registers them in a tournament.
func seedPlayer(t *testing.T, db *sql.DB, tournamentID, playerID, status string) {
	t.Helper()
	db.Exec("INSERT OR IGNORE INTO players (id, name) VALUES (?, ?)", playerID, "Player "+playerID)
	_, err := db.Exec(
		"INSERT INTO tournament_players (tournament_id, player_id, status) VALUES (?, ?, ?)",
		tournamentID, playerID, status,
	)
	if err != nil {
		t.Fatalf("seed player: %v", err)
	}
}

func ctxWithOperator() context.Context {
	ctx := context.Background()
	ctx = context.WithValue(ctx, middleware.OperatorIDKey, "op-test")
	ctx = context.WithValue(ctx, middleware.OperatorRoleKey, "admin")
	return ctx
}

func TestProcessBuyIn(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000) // 100 EUR buyin, 150 chips, 20 rake
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "registered")

	tx, err := eng.ProcessBuyIn(ctx, "t1", "p1", false)
	if err != nil {
		t.Fatalf("process buyin: %v", err)
	}

	if tx.Amount != 10000 {
		t.Errorf("expected amount 10000, got %d", tx.Amount)
	}
	if tx.Chips != 15000 {
		t.Errorf("expected chips 15000, got %d", tx.Chips)
	}
	if tx.Type != TxTypeBuyIn {
		t.Errorf("expected type buyin, got %s", tx.Type)
	}

	// Verify player state was updated
	var status string
	var chips int64
	db.QueryRow("SELECT status, current_chips FROM tournament_players WHERE tournament_id = 't1' AND player_id = 'p1'").Scan(&status, &chips)
	if status != "active" {
		t.Errorf("expected player status 'active', got %q", status)
	}
	if chips != 15000 {
		t.Errorf("expected player chips 15000, got %d", chips)
	}

	// Verify rake transactions were created
	var rakeCount int
	db.QueryRow("SELECT COUNT(*) FROM transactions WHERE tournament_id = 't1' AND type = 'rake'").Scan(&rakeCount)
	if rakeCount != 2 { // house + staff
		t.Errorf("expected 2 rake transactions, got %d", rakeCount)
	}
}

func TestProcessBuyIn_LateRegClosed(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	// Set late reg cutoff to level 6
	db.Exec("UPDATE buyin_configs SET late_reg_level_cutoff = 6 WHERE id = ?", cfgID)

	seedTournament(t, db, "t1", cfgID, false)
	// Simulate clock past cutoff
	db.Exec("UPDATE tournaments SET clock_state = 'running', current_level = 7 WHERE id = 't1'")
	seedPlayer(t, db, "t1", "p1", "registered")

	_, err := eng.ProcessBuyIn(ctx, "t1", "p1", false)
	if err != ErrLateRegistrationClosed {
		t.Fatalf("expected ErrLateRegistrationClosed, got: %v", err)
	}
}

func TestProcessBuyIn_AdminOverride(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	db.Exec("UPDATE buyin_configs SET late_reg_level_cutoff = 6 WHERE id = ?", cfgID)

	seedTournament(t, db, "t1", cfgID, false)
	db.Exec("UPDATE tournaments SET clock_state = 'running', current_level = 7 WHERE id = 't1'")
	seedPlayer(t, db, "t1", "p1", "registered")

	// With override=true, should succeed
	tx, err := eng.ProcessBuyIn(ctx, "t1", "p1", true)
	if err != nil {
		t.Fatalf("expected admin override to succeed: %v", err)
	}
	if tx.Amount != 10000 {
		t.Errorf("expected amount 10000, got %d", tx.Amount)
	}
}

func TestProcessRebuy(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "active")

	tx, err := eng.ProcessRebuy(ctx, "t1", "p1")
	if err != nil {
		t.Fatalf("process rebuy: %v", err)
	}

	if tx.Type != TxTypeRebuy {
		t.Errorf("expected type rebuy, got %s", tx.Type)
	}

	// Verify rebuy count incremented
	var rebuys int
	db.QueryRow("SELECT rebuys FROM tournament_players WHERE tournament_id = 't1' AND player_id = 'p1'").Scan(&rebuys)
	if rebuys != 1 {
		t.Errorf("expected rebuys 1, got %d", rebuys)
	}
}

func TestProcessRebuy_LimitReached(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "active")

	// Set rebuy count to limit
	db.Exec("UPDATE tournament_players SET rebuys = 3 WHERE tournament_id = 't1' AND player_id = 'p1'")

	_, err := eng.ProcessRebuy(ctx, "t1", "p1")
	if err != ErrRebuyLimitReached {
		t.Fatalf("expected ErrRebuyLimitReached, got: %v", err)
	}
}

func TestProcessAddOn(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "active")

	tx, err := eng.ProcessAddOn(ctx, "t1", "p1")
	if err != nil {
		t.Fatalf("process addon: %v", err)
	}

	if tx.Type != TxTypeAddon {
		t.Errorf("expected type addon, got %s", tx.Type)
	}

	// Verify addon count
	var addons int
	db.QueryRow("SELECT addons FROM tournament_players WHERE tournament_id = 't1' AND player_id = 'p1'").Scan(&addons)
	if addons != 1 {
		t.Errorf("expected addons 1, got %d", addons)
	}
}

func TestProcessAddOn_AlreadyUsed(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "active")
	db.Exec("UPDATE tournament_players SET addons = 1 WHERE tournament_id = 't1' AND player_id = 'p1'")

	_, err := eng.ProcessAddOn(ctx, "t1", "p1")
	if err != ErrAddonAlreadyUsed {
		t.Fatalf("expected ErrAddonAlreadyUsed, got: %v", err)
	}
}

func TestProcessReEntry(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "busted") // Must be busted

	tx, err := eng.ProcessReEntry(ctx, "t1", "p1")
	if err != nil {
		t.Fatalf("process reentry: %v", err)
	}

	if tx.Type != TxTypeReentry {
		t.Errorf("expected type reentry, got %s", tx.Type)
	}

	// Player should be reactivated
	var status string
	db.QueryRow("SELECT status FROM tournament_players WHERE tournament_id = 't1' AND player_id = 'p1'").Scan(&status)
	if status != "active" {
		t.Errorf("expected player reactivated to 'active', got %q", status)
	}
}

func TestProcessReEntry_NotBusted(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "active") // Active, not busted

	_, err := eng.ProcessReEntry(ctx, "t1", "p1")
	if err != ErrPlayerNotBusted {
		t.Fatalf("expected ErrPlayerNotBusted, got: %v", err)
	}
}

func TestProcessBountyTransfer_PKO(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	db.Exec("UPDATE buyin_configs SET bounty_amount = 5000 WHERE id = ?", cfgID)
	seedTournament(t, db, "t1", cfgID, true) // PKO

	seedPlayer(t, db, "t1", "p1", "busted")  // Eliminated
	seedPlayer(t, db, "t1", "p2", "active")  // Hitman
	// Set bounty values
	db.Exec("UPDATE tournament_players SET bounty_value = 5000 WHERE tournament_id = 't1' AND player_id = 'p1'")
	db.Exec("UPDATE tournament_players SET bounty_value = 2500 WHERE tournament_id = 't1' AND player_id = 'p2'")

	err := eng.ProcessBountyTransfer(ctx, "t1", "p1", "p2")
	if err != nil {
		t.Fatalf("process bounty transfer: %v", err)
	}

	// Verify: p1's bounty cleared
	var p1Bounty int64
	db.QueryRow("SELECT bounty_value FROM tournament_players WHERE tournament_id = 't1' AND player_id = 'p1'").Scan(&p1Bounty)
	if p1Bounty != 0 {
		t.Errorf("expected eliminated player bounty 0, got %d", p1Bounty)
	}

	// p2's bounty increased by half of p1's bounty (2500)
	var p2Bounty int64
	db.QueryRow("SELECT bounty_value FROM tournament_players WHERE tournament_id = 't1' AND player_id = 'p2'").Scan(&p2Bounty)
	expected := int64(2500 + 2500) // original 2500 + half of 5000
	if p2Bounty != expected {
		t.Errorf("expected hitman bounty %d, got %d", expected, p2Bounty)
	}

	// Verify transactions created
	var collectCount, paidCount int
	db.QueryRow("SELECT COUNT(*) FROM transactions WHERE tournament_id = 't1' AND type = 'bounty_collected'").Scan(&collectCount)
	db.QueryRow("SELECT COUNT(*) FROM transactions WHERE tournament_id = 't1' AND type = 'bounty_paid'").Scan(&paidCount)
	if collectCount != 1 {
		t.Errorf("expected 1 bounty_collected tx, got %d", collectCount)
	}
	if paidCount != 1 {
		t.Errorf("expected 1 bounty_paid tx, got %d", paidCount)
	}

	// Verify cash portion is correct (half of 5000 = 2500)
	var cashAmount int64
	db.QueryRow("SELECT amount FROM transactions WHERE tournament_id = 't1' AND type = 'bounty_collected' AND player_id = 'p2'").Scan(&cashAmount)
	if cashAmount != 2500 {
		t.Errorf("expected cash portion 2500, got %d", cashAmount)
	}
}

func TestUndoTransaction(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "registered")

	// Buy in
	tx, err := eng.ProcessBuyIn(ctx, "t1", "p1", false)
	if err != nil {
		t.Fatalf("process buyin: %v", err)
	}

	// Undo
	err = eng.UndoTransaction(ctx, tx.ID)
	if err != nil {
		t.Fatalf("undo transaction: %v", err)
	}

	// Verify transaction is marked undone
	var undone bool
	db.QueryRow("SELECT undone FROM transactions WHERE id = ?", tx.ID).Scan(&undone)
	if !undone {
		t.Error("expected transaction to be marked undone")
	}
}

func TestIsLateRegistrationOpen(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	// Set level cutoff to 6 AND time cutoff to 5400 seconds (90 min)
	db.Exec("UPDATE buyin_configs SET late_reg_level_cutoff = 6, late_reg_time_cutoff_seconds = 5400 WHERE id = ?", cfgID)

	seedTournament(t, db, "t1", cfgID, false)

	// Clock stopped: always open
	open, err := eng.IsLateRegistrationOpen(ctx, "t1")
	if err != nil {
		t.Fatalf("check late reg: %v", err)
	}
	if !open {
		t.Error("expected late reg open when clock stopped")
	}

	// Clock running, level 3: open
	db.Exec("UPDATE tournaments SET clock_state = 'running', current_level = 3 WHERE id = 't1'")
	open, _ = eng.IsLateRegistrationOpen(ctx, "t1")
	if !open {
		t.Error("expected late reg open at level 3")
	}

	// Clock running, level 7: closed (past level cutoff)
	db.Exec("UPDATE tournaments SET current_level = 7 WHERE id = 't1'")
	open, _ = eng.IsLateRegistrationOpen(ctx, "t1")
	if open {
		t.Error("expected late reg closed at level 7")
	}

	// Clock running, level 3 but time past cutoff
	db.Exec("UPDATE tournaments SET current_level = 3, total_elapsed_ns = 6000000000000 WHERE id = 't1'") // 6000 seconds > 5400
	open, _ = eng.IsLateRegistrationOpen(ctx, "t1")
	if open {
		t.Error("expected late reg closed when time past cutoff")
	}
}

func TestGetTransactions(t *testing.T) {
	eng, db := setupTestEngine(t)
	ctx := ctxWithOperator()

	cfgID := seedBuyinConfig(t, db, 10000, 15000, 2000)
	seedTournament(t, db, "t1", cfgID, false)
	seedPlayer(t, db, "t1", "p1", "registered")
	seedPlayer(t, db, "t1", "p2", "registered")

	eng.ProcessBuyIn(ctx, "t1", "p1", false)
	eng.ProcessBuyIn(ctx, "t1", "p2", false)

	txs, err := eng.GetTransactions(ctx, "t1")
	if err != nil {
		t.Fatalf("get transactions: %v", err)
	}

	// Should have 2 buyins + 4 rake transactions (2 per player: house + staff)
	if len(txs) != 6 {
		t.Errorf("expected 6 transactions, got %d", len(txs))
	}

	// Player-specific
	ptxs, err := eng.GetPlayerTransactions(ctx, "t1", "p1")
	if err != nil {
		t.Fatalf("get player transactions: %v", err)
	}
	if len(ptxs) != 3 { // 1 buyin + 2 rake
		t.Errorf("expected 3 player transactions, got %d", len(ptxs))
	}
}

func TestScaleRakeSplits(t *testing.T) {
	eng, _ := setupTestEngine(t)

	original := []template.RakeSplit{
		{Category: "house", Amount: 1200},
		{Category: "staff", Amount: 800},
	}

	// Scale from 2000 to 1000
	scaled := eng.scaleRakeSplits(original, 2000, 1000)
	if len(scaled) != 2 {
		t.Fatalf("expected 2 scaled splits, got %d", len(scaled))
	}

	// Verify sum equals new total
	var sum int64
	for _, s := range scaled {
		sum += s.Amount
	}
	if sum != 1000 {
		t.Errorf("expected scaled sum 1000, got %d", sum)
	}
}