package export

import (
	"database/sql"
	"path/filepath"
	"testing"

	"git.yeij.top/AskaEth/Scoreboard/server/internal/store"
)

// openEventDB 建一个临时赛事库并跑完迁移；DSN 与 store.Open 保持一致。
func openEventDB(t *testing.T) *sql.DB {
	t.Helper()

	path := filepath.Join(t.TempDir(), "event.db")
	dsn := "file:" + path +
		"?_pragma=journal_mode(WAL)" +
		"&_pragma=foreign_keys(1)" +
		"&_pragma=busy_timeout(5000)"

	db, err := sql.Open("sqlite", dsn)
	if err != nil {
		t.Fatalf("打开赛事库: %v", err)
	}
	db.SetMaxOpenConns(1)
	t.Cleanup(func() { _ = db.Close() })

	if err := store.MigrateEvent(db); err != nil {
		t.Fatalf("迁移赛事库: %v", err)
	}
	return db
}

// seedEvent 造一场最小可用赛事：2 个单位、2 名运动员、1 个小项 1 个组别、
// 2 条已发布成绩与对应积分流水。
func seedEvent(t *testing.T, db *sql.DB) {
	t.Helper()

	stmts := []string{
		`INSERT INTO teams(code, name, short_name, sort_order) VALUES ('T1', '第一分公司', '一公司', 1)`,
		`INSERT INTO teams(code, name, short_name, sort_order) VALUES ('T2', '第二分公司', '二公司', 2)`,
		`INSERT INTO athletes(name, gender, team_id) VALUES ('张三', '男', 1)`,
		`INSERT INTO athletes(name, gender, team_id) VALUES ('李四', '男', 2)`,
		`INSERT INTO sports(code, name) VALUES ('SP1', '田径')`,
		`INSERT INTO events(sport_id, code, name, event_type, result_mode, result_type, compare, status)
		 VALUES (1, 'E1', '100米跑', 'individual', 'auto', 'time', 'asc', 'published')`,
		`INSERT INTO event_categories(event_id, name, sort_order) VALUES (1, '男子', 1)`,
		`INSERT INTO event_score_channels(event_id, scope, basis, profile_id)
		 SELECT 1, 'athlete', 'result', id FROM scoring_profiles WHERE code = 'individual_top6'`,
		`INSERT INTO entries(event_id, category_id, team_id, athlete_id, bib) VALUES (1, 1, 1, 1, '101')`,
		`INSERT INTO entries(event_id, category_id, team_id, athlete_id, bib) VALUES (1, 1, 2, 2, '102')`,
		`INSERT INTO results(event_id, entry_id, rank, result_text, result_value, unit, state)
		 VALUES (1, 1, 1, '11.58', 11.58, 's', 'published')`,
		`INSERT INTO results(event_id, entry_id, rank, result_text, result_value, unit, state)
		 VALUES (1, 2, 2, '11.90', 11.90, 's', 'published')`,
		`INSERT INTO score_ledger(team_id, athlete_id, event_id, entry_id, result_id, source_type, source_id, points)
		 VALUES (1, 1, 1, 1, 1, 'result', 1, 10)`,
		`INSERT INTO score_ledger(team_id, athlete_id, event_id, entry_id, result_id, source_type, source_id, points)
		 VALUES (2, 2, 1, 2, 2, 'result', 2, 8)`,
		`UPDATE settings SET value = '测试运动会' WHERE key = 'event.name'`,
		`UPDATE settings SET value = '测试主办方' WHERE key = 'event.organizer'`,
	}
	for _, s := range stmts {
		if _, err := db.Exec(s); err != nil {
			t.Fatalf("造数据 %q: %v", s, err)
		}
	}
}

func countRows(t *testing.T, db *sql.DB, table string) int {
	t.Helper()
	var n int
	if err := db.QueryRow(`SELECT count(*) FROM ` + table).Scan(&n); err != nil {
		t.Fatalf("统计 %s: %v", table, err)
	}
	return n
}

// openSQLite 以只读方式打开一个已存在的库，用于校验备份 / 导入产物可读。
func openSQLite(t *testing.T, path string) *sql.DB {
	t.Helper()
	db, err := sql.Open("sqlite", "file:"+path+"?mode=ro")
	if err != nil {
		t.Fatalf("打开 %s: %v", path, err)
	}
	return db
}