// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0

package logstore

import (
	"context"
	"fmt"
	"os"
	"regexp"
	"strings"
	"testing"
	"time"

	"gorm.io/driver/postgres"
	"gorm.io/gorm"
	"gorm.io/gorm/logger"

	analyticsmodel "github.com/Rain-kl/Wavelet/internal/model/analytics"
)

// TestEnsurePartitionsPostgresInsertAcrossMonths 需要 TEST_POSTGRES_DSN（未设置时跳过）：
// 验证 EnsurePartitions 预建任意月份范围分区后，跨月历史数据可写入 PG 分区表
// （对应迁移任务从 CH/SQLite 复制历史日志到 PG 时先预建分区的场景）。
func TestEnsurePartitionsPostgresInsertAcrossMonths(t *testing.T) {
	dsn := strings.TrimSpace(os.Getenv("TEST_POSTGRES_DSN"))
	if dsn == "" {
		t.Skip("TEST_POSTGRES_DSN is not set")
	}

	gdb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
		DisableForeignKeyConstraintWhenMigrating: true,
		Logger:                                   logger.Default.LogMode(logger.Silent),
	})
	if err != nil {
		t.Fatalf("open postgres: %v", err)
	}
	sqlDB, err := gdb.DB()
	if err != nil {
		t.Fatalf("sql db: %v", err)
	}
	sqlDB.SetMaxOpenConns(1)

	schema := fmt.Sprintf("logstore_partition_%d", time.Now().UnixNano())
	if !regexp.MustCompile(`^[a-z0-9_]+$`).MatchString(schema) {
		t.Fatalf("invalid schema: %s", schema)
	}
	if err := gdb.Exec(`CREATE SCHEMA "` + schema + `"`).Error; err != nil {
		t.Fatalf("create schema: %v", err)
	}
	if err := gdb.Exec(`SET search_path TO "` + schema + `"`).Error; err != nil {
		t.Fatalf("set search_path: %v", err)
	}
	t.Cleanup(func() {
		_ = gdb.Exec("SET search_path TO public").Error
		_ = gdb.Exec(`DROP SCHEMA IF EXISTS "` + schema + `" CASCADE`).Error
		_ = sqlDB.Close()
	})

	// 与 goose/postgres/202608080001_create_log_tables.sql 保持一致的分区父表 DDL。
	for _, ddl := range []string{postgresNodeAccessLogsDDL, postgresUserAccessLogsDDL} {
		if err := gdb.Exec(ddl).Error; err != nil {
			t.Fatalf("create partitioned table: %v", err)
		}
	}

	ResetForTest()
	SetConfigReader(func(_ context.Context, _ string) (string, error) { return "", nil })
	defer ResetForTest()

	ctx := context.Background()
	store := newGormStore(gdb)
	ua := newUserAccessLogGormStore(gdb)

	// 源范围跨 3 个月：2026-01-10 ~ 2026-03-20；to+1 月兜底生成 202601..202604 分区。
	from := time.Date(2026, 1, 10, 8, 0, 0, 0, time.UTC)
	max := time.Date(2026, 3, 20, 9, 30, 0, 0, time.UTC)
	if err := store.EnsurePartitions(ctx, from, max.AddDate(0, 1, 0)); err != nil {
		t.Fatalf("EnsurePartitions: %v", err)
	}

	// 幂等：重复调用不报错（CREATE TABLE IF NOT EXISTS ... PARTITION OF）。
	if err := store.EnsurePartitions(ctx, from, max.AddDate(0, 1, 0)); err != nil {
		t.Fatalf("EnsurePartitions idempotent: %v", err)
	}

	var partitionCount int64
	if err := gdb.Raw(
		"SELECT count(*) FROM pg_inherits WHERE inhparent = to_regclass('of_node_access_logs')",
	).Scan(&partitionCount).Error; err != nil {
		t.Fatalf("count partitions: %v", err)
	}
	if partitionCount != 4 {
		t.Fatalf("of_node_access_logs partitions = %d, want 4", partitionCount)
	}

	// 跨月插入：1/2/3 月各 2 条节点访问日志 + 2 条用户访问日志，均应命中已有分区。
	nodeRows := []analyticsmodel.NodeAccessLog{
		{ID: 1, NodeID: "n1", LoggedAt: time.Date(2026, 1, 15, 0, 0, 0, 0, time.UTC), RemoteAddr: "1.1.1.1"},
		{ID: 2, NodeID: "n1", LoggedAt: time.Date(2026, 1, 20, 0, 0, 0, 0, time.UTC), RemoteAddr: "1.1.1.2"},
		{ID: 3, NodeID: "n2", LoggedAt: time.Date(2026, 2, 10, 0, 0, 0, 0, time.UTC), RemoteAddr: "2.2.2.2"},
		{ID: 4, NodeID: "n2", LoggedAt: time.Date(2026, 2, 12, 0, 0, 0, 0, time.UTC), RemoteAddr: "2.2.2.3"},
		{ID: 5, NodeID: "n1", LoggedAt: time.Date(2026, 3, 5, 0, 0, 0, 0, time.UTC), RemoteAddr: "3.3.3.3"},
		{ID: 6, NodeID: "n1", LoggedAt: time.Date(2026, 3, 18, 0, 0, 0, 0, time.UTC), RemoteAddr: "3.3.3.4"},
	}
	if err := store.BatchInsertNodeAccessLogs(ctx, nodeRows); err != nil {
		t.Fatalf("insert node access logs across months: %v", err)
	}

	userRows := []analyticsmodel.UserAccessLog{
		{ID: 1, UserID: 101, Path: "/a", CreatedAt: time.Date(2026, 1, 16, 0, 0, 0, 0, time.UTC)},
		{ID: 2, UserID: 102, Path: "/b", CreatedAt: time.Date(2026, 3, 17, 0, 0, 0, 0, time.UTC)},
	}
	if err := ua.BatchInsert(ctx, userRows); err != nil {
		t.Fatalf("insert user access logs across months: %v", err)
	}

	var nodeCount, userCount int64
	if err := gdb.Model(&analyticsmodel.NodeAccessLog{}).Count(&nodeCount).Error; err != nil {
		t.Fatalf("count node access logs: %v", err)
	}
	if err := gdb.Model(&analyticsmodel.UserAccessLog{}).Count(&userCount).Error; err != nil {
		t.Fatalf("count user access logs: %v", err)
	}
	if nodeCount != 6 {
		t.Fatalf("node access log count = %d, want 6", nodeCount)
	}
	if userCount != 2 {
		t.Fatalf("user access log count = %d, want 2", userCount)
	}

	// MigrationRange 返回跨月范围（覆盖两表）。
	gotFrom, gotTo, err := store.MigrationRange(ctx)
	if err != nil {
		t.Fatalf("node MigrationRange: %v", err)
	}
	if !gotFrom.Equal(time.Date(2026, 1, 15, 0, 0, 0, 0, time.UTC)) || !gotTo.Equal(time.Date(2026, 3, 18, 0, 0, 0, 0, time.UTC)) {
		t.Fatalf("node MigrationRange = %s ~ %s, want 2026-01-15 ~ 2026-03-18", gotFrom, gotTo)
	}
	uaFrom, uaTo, err := ua.MigrationRange(ctx)
	if err != nil {
		t.Fatalf("user MigrationRange: %v", err)
	}
	if !uaFrom.Equal(time.Date(2026, 1, 16, 0, 0, 0, 0, time.UTC)) || !uaTo.Equal(time.Date(2026, 3, 17, 0, 0, 0, 0, time.UTC)) {
		t.Fatalf("user MigrationRange = %s ~ %s", uaFrom, uaTo)
	}
}

// TestDropEmptyPartitionsPostgres 需要 TEST_POSTGRES_DSN（未设置时跳过）：
// 验证空分区清理只删除 before 月份之前且无数据的分区：空旧月删除、有数据旧月保留、
// 当月/未来月保留；用户访问日志分区同步清理。
func TestDropEmptyPartitionsPostgres(t *testing.T) {
	dsn := strings.TrimSpace(os.Getenv("TEST_POSTGRES_DSN"))
	if dsn == "" {
		t.Skip("TEST_POSTGRES_DSN is not set")
	}

	gdb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
		DisableForeignKeyConstraintWhenMigrating: true,
		Logger:                                   logger.Default.LogMode(logger.Silent),
	})
	if err != nil {
		t.Fatalf("open postgres: %v", err)
	}
	sqlDB, err := gdb.DB()
	if err != nil {
		t.Fatalf("sql db: %v", err)
	}
	sqlDB.SetMaxOpenConns(1)

	schema := fmt.Sprintf("logstore_drop_partition_%d", time.Now().UnixNano())
	if !regexp.MustCompile(`^[a-z0-9_]+$`).MatchString(schema) {
		t.Fatalf("invalid schema: %s", schema)
	}
	if err := gdb.Exec(`CREATE SCHEMA "` + schema + `"`).Error; err != nil {
		t.Fatalf("create schema: %v", err)
	}
	if err := gdb.Exec(`SET search_path TO "` + schema + `"`).Error; err != nil {
		t.Fatalf("set search_path: %v", err)
	}
	t.Cleanup(func() {
		_ = gdb.Exec("SET search_path TO public").Error
		_ = gdb.Exec(`DROP SCHEMA IF EXISTS "` + schema + `" CASCADE`).Error
		_ = sqlDB.Close()
	})

	for _, ddl := range []string{postgresNodeAccessLogsDDL, postgresUserAccessLogsDDL} {
		if err := gdb.Exec(ddl).Error; err != nil {
			t.Fatalf("create partitioned table: %v", err)
		}
	}

	ctx := context.Background()
	store := newGormStore(gdb)
	ua := newUserAccessLogGormStore(gdb)

	// 预建 202601..202603 分区，仅 202602 有数据（节点+用户各 1 条），202601/202603 为空。
	if err := store.EnsurePartitions(ctx,
		time.Date(2026, 1, 1, 0, 0, 0, 0, time.UTC),
		time.Date(2026, 3, 20, 0, 0, 0, 0, time.UTC)); err != nil {
		t.Fatalf("EnsurePartitions: %v", err)
	}
	if err := store.BatchInsertNodeAccessLogs(ctx, []analyticsmodel.NodeAccessLog{
		{ID: 1, NodeID: "n1", LoggedAt: time.Date(2026, 2, 10, 0, 0, 0, 0, time.UTC), RemoteAddr: "1.1.1.1"},
	}); err != nil {
		t.Fatalf("insert node access log: %v", err)
	}
	if err := ua.BatchInsert(ctx, []analyticsmodel.UserAccessLog{
		{ID: 1, UserID: 101, Path: "/a", CreatedAt: time.Date(2026, 2, 11, 0, 0, 0, 0, time.UTC)},
	}); err != nil {
		t.Fatalf("insert user access log: %v", err)
	}

	// before=2026-03：202601（空）应删，202602（有数据）与 202603（当月）保留。
	if err := store.DropEmptyPartitions(ctx, time.Date(2026, 3, 15, 0, 0, 0, 0, time.UTC)); err != nil {
		t.Fatalf("DropEmptyPartitions: %v", err)
	}

	assertPartitions := func(parent string, want int64) {
		t.Helper()
		var n int64
		if err := gdb.Raw(
			"SELECT count(*) FROM pg_inherits WHERE inhparent = to_regclass(?)",
			parent,
		).Scan(&n).Error; err != nil {
			t.Fatalf("count partitions of %s: %v", parent, err)
		}
		if n != want {
			t.Fatalf("%s partitions = %d, want %d", parent, n, want)
		}
	}
	assertPartitions("of_node_access_logs", 2)
	assertPartitions("w_user_access_logs", 2)

	// 数据未受影响。
	var nodeCount, userCount int64
	if err := gdb.Model(&analyticsmodel.NodeAccessLog{}).Count(&nodeCount).Error; err != nil {
		t.Fatalf("count node access logs: %v", err)
	}
	if err := gdb.Model(&analyticsmodel.UserAccessLog{}).Count(&userCount).Error; err != nil {
		t.Fatalf("count user access logs: %v", err)
	}
	if nodeCount != 1 || userCount != 1 {
		t.Fatalf("data counts = (%d, %d), want (1, 1)", nodeCount, userCount)
	}
}

// TestDropExpiredPartitionsPostgres 需要 TEST_POSTGRES_DSN（未设置时跳过）：
// 验证直接删除完全早于 cutoff 月份的整月分区：早于 cutoff 月的分区（含其中全部数据）被整表 DROP、
// 边界月分区保留且数据仍在；重复调用幂等；w_user_access_logs 分区不受影响（无 retention 清理）。
func TestDropExpiredPartitionsPostgres(t *testing.T) {
	dsn := strings.TrimSpace(os.Getenv("TEST_POSTGRES_DSN"))
	if dsn == "" {
		t.Skip("TEST_POSTGRES_DSN is not set")
	}

	gdb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
		DisableForeignKeyConstraintWhenMigrating: true,
		Logger:                                   logger.Default.LogMode(logger.Silent),
	})
	if err != nil {
		t.Fatalf("open postgres: %v", err)
	}
	sqlDB, err := gdb.DB()
	if err != nil {
		t.Fatalf("sql db: %v", err)
	}
	sqlDB.SetMaxOpenConns(1)

	schema := fmt.Sprintf("logstore_drop_expired_%d", time.Now().UnixNano())
	if !regexp.MustCompile(`^[a-z0-9_]+$`).MatchString(schema) {
		t.Fatalf("invalid schema: %s", schema)
	}
	if err := gdb.Exec(`CREATE SCHEMA "` + schema + `"`).Error; err != nil {
		t.Fatalf("create schema: %v", err)
	}
	if err := gdb.Exec(`SET search_path TO "` + schema + `"`).Error; err != nil {
		t.Fatalf("set search_path: %v", err)
	}
	t.Cleanup(func() {
		_ = gdb.Exec("SET search_path TO public").Error
		_ = gdb.Exec(`DROP SCHEMA IF EXISTS "` + schema + `" CASCADE`).Error
		_ = sqlDB.Close()
	})

	for _, ddl := range []string{postgresNodeAccessLogsDDL, postgresUserAccessLogsDDL} {
		if err := gdb.Exec(ddl).Error; err != nil {
			t.Fatalf("create partitioned table: %v", err)
		}
	}

	ctx := context.Background()
	store := newGormStore(gdb)
	ua := newUserAccessLogGormStore(gdb)

	// 预建 202601..202604 分区；1/3 月有数据、2/4 月为空。
	if err := store.EnsurePartitions(ctx,
		time.Date(2026, 1, 1, 0, 0, 0, 0, time.UTC),
		time.Date(2026, 4, 20, 0, 0, 0, 0, time.UTC)); err != nil {
		t.Fatalf("EnsurePartitions: %v", err)
	}
	if err := store.BatchInsertNodeAccessLogs(ctx, []analyticsmodel.NodeAccessLog{
		{ID: 1, NodeID: "n1", LoggedAt: time.Date(2026, 1, 15, 0, 0, 0, 0, time.UTC), RemoteAddr: "1.1.1.1"},
		{ID: 2, NodeID: "n1", LoggedAt: time.Date(2026, 1, 20, 0, 0, 0, 0, time.UTC), RemoteAddr: "1.1.1.2"},
		{ID: 3, NodeID: "n2", LoggedAt: time.Date(2026, 3, 5, 0, 0, 0, 0, time.UTC), RemoteAddr: "3.3.3.3"},
		{ID: 4, NodeID: "n2", LoggedAt: time.Date(2026, 3, 18, 0, 0, 0, 0, time.UTC), RemoteAddr: "3.3.3.4"},
	}); err != nil {
		t.Fatalf("insert node access logs: %v", err)
	}
	if err := ua.BatchInsert(ctx, []analyticsmodel.UserAccessLog{
		{ID: 1, UserID: 101, Path: "/a", CreatedAt: time.Date(2026, 1, 16, 0, 0, 0, 0, time.UTC)},
	}); err != nil {
		t.Fatalf("insert user access log: %v", err)
	}

	// cutoff=2026-03-10：分区月份早于 2026-03 的（202601、202602）整表 DROP；
	// 202603（边界月，可能含未过期数据）与 202604（未来月）保留。
	if err := store.DropExpiredPartitions(ctx, time.Date(2026, 3, 10, 0, 0, 0, 0, time.UTC)); err != nil {
		t.Fatalf("DropExpiredPartitions: %v", err)
	}
	// 幂等：重复调用不报错、不额外删除。
	if err := store.DropExpiredPartitions(ctx, time.Date(2026, 3, 10, 0, 0, 0, 0, time.UTC)); err != nil {
		t.Fatalf("DropExpiredPartitions idempotent: %v", err)
	}

	assertPartitions := func(parent string, want int64) {
		t.Helper()
		var n int64
		if err := gdb.Raw(
			"SELECT count(*) FROM pg_inherits WHERE inhparent = to_regclass(?)",
			parent,
		).Scan(&n).Error; err != nil {
			t.Fatalf("count partitions of %s: %v", parent, err)
		}
		if n != want {
			t.Fatalf("%s partitions = %d, want %d", parent, n, want)
		}
	}
	// of_node_access_logs 只剩边界月+未来月 2 个分区；w_user_access_logs 不受影响（仍 4 个）。
	assertPartitions("of_node_access_logs", 2)
	assertPartitions("w_user_access_logs", 4)

	// 202601/202602 分区被整表 DROP：1 月数据随之消失，3 月数据保留。
	var nodeCount int64
	if err := gdb.Model(&analyticsmodel.NodeAccessLog{}).Count(&nodeCount).Error; err != nil {
		t.Fatalf("count node access logs: %v", err)
	}
	if nodeCount != 2 {
		t.Fatalf("node access log count = %d, want 2（仅剩 3 月数据）", nodeCount)
	}
}

// TestDropExpiredPartitionsTimezoneSafety 需要 TEST_POSTGRES_DSN（未设置时跳过）：
// 覆盖本地时区偏移下 DropExpiredPartitions 的时区安全性：cutoff 为 UTC+8 本地时刻
// （其实刻 = 2026-02-28T21:00Z），名称月份早于 cutoff 月但分区内仍含保留期行的
// 202602 不得被误删（旧实现按本地月份取 cutoffMonth=2026-03 会整表 DROP 丢数据）；
// 完全过期的 202601 正常整表 DROP；保留期行仍可查询到。
func TestDropExpiredPartitionsTimezoneSafety(t *testing.T) {
	dsn := strings.TrimSpace(os.Getenv("TEST_POSTGRES_DSN"))
	if dsn == "" {
		t.Skip("TEST_POSTGRES_DSN is not set")
	}

	gdb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
		DisableForeignKeyConstraintWhenMigrating: true,
		Logger:                                   logger.Default.LogMode(logger.Silent),
	})
	if err != nil {
		t.Fatalf("open postgres: %v", err)
	}
	sqlDB, err := gdb.DB()
	if err != nil {
		t.Fatalf("sql db: %v", err)
	}
	sqlDB.SetMaxOpenConns(1)

	schema := fmt.Sprintf("logstore_drop_expired_tz_%d", time.Now().UnixNano())
	if !regexp.MustCompile(`^[a-z0-9_]+$`).MatchString(schema) {
		t.Fatalf("invalid schema: %s", schema)
	}
	if err := gdb.Exec(`CREATE SCHEMA "` + schema + `"`).Error; err != nil {
		t.Fatalf("create schema: %v", err)
	}
	if err := gdb.Exec(`SET search_path TO "` + schema + `"`).Error; err != nil {
		t.Fatalf("set search_path: %v", err)
	}
	t.Cleanup(func() {
		_ = gdb.Exec("SET search_path TO public").Error
		_ = gdb.Exec(`DROP SCHEMA IF EXISTS "` + schema + `" CASCADE`).Error
		_ = sqlDB.Close()
	})

	for _, ddl := range []string{postgresNodeAccessLogsDDL, postgresUserAccessLogsDDL} {
		if err := gdb.Exec(ddl).Error; err != nil {
			t.Fatalf("create partitioned table: %v", err)
		}
	}

	ctx := context.Background()
	store := newGormStore(gdb)

	// 预建 202601..202602 分区。
	if err := store.EnsurePartitions(ctx,
		time.Date(2026, 1, 1, 0, 0, 0, 0, time.UTC),
		time.Date(2026, 2, 20, 0, 0, 0, 0, time.UTC)); err != nil {
		t.Fatalf("EnsurePartitions: %v", err)
	}
	// 202601 仅含完全过期行；202602 含一条过期行（2026-02-10）与一条保留期行
	// （2026-02-28T21:00Z，恰等于 cutoff 其实刻，>= 语义下必须保留）。
	if err := store.BatchInsertNodeAccessLogs(ctx, []analyticsmodel.NodeAccessLog{
		{ID: 1, NodeID: "n1", LoggedAt: time.Date(2026, 1, 15, 0, 0, 0, 0, time.UTC), RemoteAddr: "1.1.1.1"},
		{ID: 2, NodeID: "n1", LoggedAt: time.Date(2026, 2, 10, 0, 0, 0, 0, time.UTC), RemoteAddr: "2.2.2.2"},
		{ID: 3, NodeID: "n1", LoggedAt: time.Date(2026, 2, 28, 21, 0, 0, 0, time.UTC), RemoteAddr: "3.3.3.3"},
	}); err != nil {
		t.Fatalf("insert node access logs: %v", err)
	}

	// cutoff 为 UTC+8 本地时刻 2026-03-01 05:00，其实刻 = 2026-02-28T21:00Z：
	// 旧实现按本地月份取 cutoffMonth=2026-03 会把 202602 误判为完全过期整表 DROP。
	cutoff := time.Date(2026, 3, 1, 5, 0, 0, 0, time.FixedZone("UTC+8", 8*3600))
	if err := store.DropExpiredPartitions(ctx, cutoff); err != nil {
		t.Fatalf("DropExpiredPartitions: %v", err)
	}

	assertPartitions := func(parent string, want int64) {
		t.Helper()
		var n int64
		if err := gdb.Raw(
			"SELECT count(*) FROM pg_inherits WHERE inhparent = to_regclass(?)",
			parent,
		).Scan(&n).Error; err != nil {
			t.Fatalf("count partitions of %s: %v", parent, err)
		}
		if n != want {
			t.Fatalf("%s partitions = %d, want %d", parent, n, want)
		}
	}
	// 202601 已整表 DROP，202602 保留；w_user_access_logs 不受影响（仍 2 个）。
	assertPartitions("of_node_access_logs", 1)
	assertPartitions("w_user_access_logs", 2)

	// 202601 数据随之消失，202602 内保留期行（2026-02-28T21:00Z）仍可查询到。
	var nodeCount int64
	if err := gdb.Model(&analyticsmodel.NodeAccessLog{}).Count(&nodeCount).Error; err != nil {
		t.Fatalf("count node access logs: %v", err)
	}
	if nodeCount != 2 {
		t.Fatalf("node access log count = %d, want 2（仅剩 202602 两行）", nodeCount)
	}
	var retained int64
	if err := gdb.Raw(
		"SELECT count(*) FROM of_node_access_logs WHERE logged_at >= ?",
		cutoff.UTC(),
	).Scan(&retained).Error; err != nil {
		t.Fatalf("count retained rows: %v", err)
	}
	if retained != 1 {
		t.Fatalf("retained rows (logged_at >= cutoff) = %d, want 1", retained)
	}
}

// TestBatchInsertGeneratesIDsPostgres 回归：PG 日志表 id BIGINT NOT NULL 且无默认值；
// GORM 把零值 uint64 主键视为自增并省略 id 列，直接插入会报 23502 not-null 违例。
// 验证 6 张日志表 BatchInsert* 为零 ID 行生成雪花 ID 后正常落库（修复前本测试失败）。
func TestBatchInsertGeneratesIDsPostgres(t *testing.T) {
	dsn := strings.TrimSpace(os.Getenv("TEST_POSTGRES_DSN"))
	if dsn == "" {
		t.Skip("TEST_POSTGRES_DSN is not set")
	}

	gdb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
		DisableForeignKeyConstraintWhenMigrating: true,
		Logger:                                   logger.Default.LogMode(logger.Silent),
	})
	if err != nil {
		t.Fatalf("open postgres: %v", err)
	}
	sqlDB, err := gdb.DB()
	if err != nil {
		t.Fatalf("sql db: %v", err)
	}
	sqlDB.SetMaxOpenConns(1)

	schema := fmt.Sprintf("logstore_ids_%d", time.Now().UnixNano())
	if !regexp.MustCompile(`^[a-z0-9_]+$`).MatchString(schema) {
		t.Fatalf("invalid schema: %s", schema)
	}
	if err := gdb.Exec(`CREATE SCHEMA "` + schema + `"`).Error; err != nil {
		t.Fatalf("create schema: %v", err)
	}
	if err := gdb.Exec(`SET search_path TO "` + schema + `"`).Error; err != nil {
		t.Fatalf("set search_path: %v", err)
	}
	t.Cleanup(func() {
		_ = gdb.Exec("SET search_path TO public").Error
		_ = gdb.Exec(`DROP SCHEMA IF EXISTS "` + schema + `" CASCADE`).Error
		_ = sqlDB.Close()
	})

	for _, ddl := range []string{
		postgresNodeAccessLogsDDL,
		postgresUserAccessLogsDDL,
		postgresMetricSnapshotsDDL,
		postgresEdgeHealthDDL,
		postgresObsFrpsDDL,
		postgresObsFrpcDDL,
	} {
		if err := gdb.Exec(ddl).Error; err != nil {
			t.Fatalf("create table: %v", err)
		}
	}

	ResetForTest()
	SetConfigReader(func(_ context.Context, _ string) (string, error) { return "", nil })
	defer ResetForTest()

	ctx := context.Background()
	store := newGormStore(gdb)
	ua := newUserAccessLogGormStore(gdb)

	now := time.Now().UTC()
	if err := store.EnsurePartitions(ctx, now, now.AddDate(0, 1, 0)); err != nil {
		t.Fatalf("EnsurePartitions: %v", err)
	}

	nodeRows := []analyticsmodel.NodeAccessLog{
		{NodeID: "n1", LoggedAt: now, RemoteAddr: "1.1.1.1", StatusCode: 200},
		{NodeID: "n1", LoggedAt: now.Add(time.Second), RemoteAddr: "2.2.2.2", StatusCode: 500},
	}
	if err := store.BatchInsertNodeAccessLogs(ctx, nodeRows); err != nil {
		t.Fatalf("insert node access logs with zero ids: %v", err)
	}
	if nodeRows[0].ID == 0 || nodeRows[1].ID == 0 || nodeRows[0].ID == nodeRows[1].ID {
		t.Fatalf("node access log ids not generated: %+v", nodeRows)
	}

	metricRows := []analyticsmodel.NodeMetricSnapshot{
		{NodeID: "n1", CapturedAt: now},
		{NodeID: "n2", CapturedAt: now},
	}
	if err := store.BatchInsertNodeMetricSnapshots(ctx, metricRows); err != nil {
		t.Fatalf("insert metric snapshots with zero ids: %v", err)
	}
	if metricRows[0].ID == 0 || metricRows[1].ID == 0 || metricRows[0].ID == metricRows[1].ID {
		t.Fatalf("metric snapshot ids not generated: %+v", metricRows)
	}

	edgeRows := []analyticsmodel.NodeEdgeHealth{
		{NodeID: "n1", CapturedAt: now, Status: "ok"},
		{NodeID: "n2", CapturedAt: now, Status: "ok"},
	}
	if err := store.BatchInsertNodeEdgeHealth(ctx, edgeRows); err != nil {
		t.Fatalf("insert edge health with zero ids: %v", err)
	}
	if edgeRows[0].ID == 0 || edgeRows[1].ID == 0 || edgeRows[0].ID == edgeRows[1].ID {
		t.Fatalf("edge health ids not generated: %+v", edgeRows)
	}

	frpsRows := []analyticsmodel.NodeObsFrps{
		{NodeID: "n1", CapturedAt: now, FrpsConnections: 1},
		{NodeID: "n2", CapturedAt: now, FrpsConnections: 2},
	}
	if err := store.BatchInsertNodeObsFrps(ctx, frpsRows); err != nil {
		t.Fatalf("insert obs frps with zero ids: %v", err)
	}
	if frpsRows[0].ID == 0 || frpsRows[1].ID == 0 || frpsRows[0].ID == frpsRows[1].ID {
		t.Fatalf("obs frps ids not generated: %+v", frpsRows)
	}

	frpcRows := []analyticsmodel.NodeObsFrpc{
		{NodeID: "n1", CapturedAt: now, TunnelStatus: "online"},
		{NodeID: "n2", CapturedAt: now, TunnelStatus: "online"},
	}
	if err := store.BatchInsertNodeObsFrpc(ctx, frpcRows); err != nil {
		t.Fatalf("insert obs frpc with zero ids: %v", err)
	}
	if frpcRows[0].ID == 0 || frpcRows[1].ID == 0 || frpcRows[0].ID == frpcRows[1].ID {
		t.Fatalf("obs frpc ids not generated: %+v", frpcRows)
	}

	userRows := []analyticsmodel.UserAccessLog{
		{UserID: 101, Path: "/a", CreatedAt: now},
		{UserID: 102, Path: "/b", CreatedAt: now},
	}
	if err := ua.BatchInsert(ctx, userRows); err != nil {
		t.Fatalf("insert user access logs with zero ids: %v", err)
	}
	if userRows[0].ID == 0 || userRows[1].ID == 0 || userRows[0].ID == userRows[1].ID {
		t.Fatalf("user access log ids not generated: %+v", userRows)
	}

	expect := []struct {
		name  string
		model any
		want  int64
	}{
		{"of_node_access_logs", &analyticsmodel.NodeAccessLog{}, 2},
		{"of_node_metric_snapshots", &analyticsmodel.NodeMetricSnapshot{}, 2},
		{"of_node_edge_health", &analyticsmodel.NodeEdgeHealth{}, 2},
		{"of_node_obs_frps", &analyticsmodel.NodeObsFrps{}, 2},
		{"of_node_obs_frpc", &analyticsmodel.NodeObsFrpc{}, 2},
		{"w_user_access_logs", &analyticsmodel.UserAccessLog{}, 2},
	}
	for _, e := range expect {
		var got int64
		if err := gdb.Model(e.model).Count(&got).Error; err != nil {
			t.Fatalf("count %s: %v", e.name, err)
		}
		if got != e.want {
			t.Fatalf("%s count = %d, want %d", e.name, got, e.want)
		}
	}
}

// postgresNodeAccessLogsDDL 与 goose/postgres/202608080001_create_log_tables.sql 对齐。
const postgresNodeAccessLogsDDL = `
CREATE TABLE IF NOT EXISTS of_node_access_logs (
    id              BIGINT NOT NULL,
    node_id         VARCHAR(64) NOT NULL DEFAULT '',
    logged_at       TIMESTAMPTZ NOT NULL,
    remote_addr     VARCHAR(128) NOT NULL DEFAULT '',
    region          VARCHAR(128) NOT NULL DEFAULT '',
    host            VARCHAR(255) NOT NULL DEFAULT '',
    path            VARCHAR(2048) NOT NULL DEFAULT '',
    user_agent      TEXT NOT NULL DEFAULT '',
    cache_status    VARCHAR(64) NOT NULL DEFAULT '',
    status_code     INTEGER NOT NULL DEFAULT 0,
    bytes_sent      BIGINT NOT NULL DEFAULT 0,
    request_length  BIGINT NOT NULL DEFAULT 0,
    request_time_ms INTEGER NOT NULL DEFAULT 0,
    created_at      TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id, logged_at)
) PARTITION BY RANGE (logged_at)`

// postgresUserAccessLogsDDL 与 goose/postgres/202608080001_create_log_tables.sql 对齐。
const postgresUserAccessLogsDDL = `
CREATE TABLE IF NOT EXISTS w_user_access_logs (
    id          BIGINT NOT NULL,
    user_id     BIGINT NOT NULL DEFAULT 0,
    path        VARCHAR(2048) NOT NULL DEFAULT '',
    method      VARCHAR(16) NOT NULL DEFAULT '',
    ip          VARCHAR(128) NOT NULL DEFAULT '',
    user_agent  TEXT NOT NULL DEFAULT '',
    headers     TEXT NOT NULL DEFAULT '',
    status      INTEGER NOT NULL DEFAULT 0,
    latency     BIGINT NOT NULL DEFAULT 0,
    created_at  TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id, created_at)
) PARTITION BY RANGE (created_at)`

// postgresMetricSnapshotsDDL / postgresEdgeHealthDDL / postgresObsFrpsDDL / postgresObsFrpcDDL
// 与 goose/postgres/202608080001_create_log_tables.sql 对齐（普通表，无分区）。
const postgresMetricSnapshotsDDL = `
CREATE TABLE IF NOT EXISTS of_node_metric_snapshots (
    id                 BIGINT NOT NULL PRIMARY KEY,
    node_id            VARCHAR(64) NOT NULL DEFAULT '',
    captured_at        TIMESTAMPTZ NOT NULL,
    cpu_usage_percent  DOUBLE PRECISION NOT NULL DEFAULT 0,
    memory_used_bytes  BIGINT NOT NULL DEFAULT 0,
    memory_total_bytes BIGINT NOT NULL DEFAULT 0,
    storage_used_bytes BIGINT NOT NULL DEFAULT 0,
    storage_total_bytes BIGINT NOT NULL DEFAULT 0,
    disk_read_bytes    BIGINT NOT NULL DEFAULT 0,
    disk_write_bytes   BIGINT NOT NULL DEFAULT 0,
    network_rx_bytes   BIGINT NOT NULL DEFAULT 0,
    network_tx_bytes   BIGINT NOT NULL DEFAULT 0,
    created_at         TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
)`

const postgresEdgeHealthDDL = `
CREATE TABLE IF NOT EXISTS of_node_edge_health (
    id          BIGINT NOT NULL PRIMARY KEY,
    node_id     VARCHAR(64) NOT NULL DEFAULT '',
    captured_at TIMESTAMPTZ NOT NULL,
    status      VARCHAR(64) NOT NULL DEFAULT '',
    connections BIGINT NOT NULL DEFAULT 0,
    created_at  TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
)`

const postgresObsFrpsDDL = `
CREATE TABLE IF NOT EXISTS of_node_obs_frps (
    id                BIGINT NOT NULL PRIMARY KEY,
    node_id           VARCHAR(64) NOT NULL DEFAULT '',
    captured_at       TIMESTAMPTZ NOT NULL,
    frps_connections  INTEGER NOT NULL DEFAULT 0,
    frps_proxy_count  INTEGER NOT NULL DEFAULT 0,
    frps_client_count INTEGER NOT NULL DEFAULT 0,
    frps_proxies      TEXT NOT NULL DEFAULT '',
    created_at        TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
)`

const postgresObsFrpcDDL = `
CREATE TABLE IF NOT EXISTS of_node_obs_frpc (
    id                     BIGINT NOT NULL PRIMARY KEY,
    node_id                VARCHAR(64) NOT NULL DEFAULT '',
    captured_at            TIMESTAMPTZ NOT NULL,
    tunnel_status          VARCHAR(16) NOT NULL DEFAULT '',
    connected_relays_count INTEGER NOT NULL DEFAULT 0,
    created_at             TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
)`