package store

import (
	"context"
	"path/filepath"
	"testing"
	"time"

	"git.dern.ovh/infrastructure/caddy-opnsense-blocker/internal/model"
)

func TestStoreRecordsEventsAndState(t *testing.T) {
	t.Parallel()

	dbPath := filepath.Join(t.TempDir(), "blocker.db")
	db, err := Open(dbPath)
	if err != nil {
		t.Fatalf("open store: %v", err)
	}
	defer db.Close()

	ctx := context.Background()
	occurredAt := time.Date(2025, 3, 11, 12, 0, 0, 0, time.UTC)
	event := &model.Event{
		SourceName:      "main",
		ProfileName:     "main",
		OccurredAt:      occurredAt,
		RemoteIP:        "198.51.100.10",
		ClientIP:        "203.0.113.10",
		Host:            "example.test",
		Method:          "GET",
		URI:             "/wp-login.php",
		Path:            "/wp-login.php",
		Status:          404,
		UserAgent:       "curl/8.0",
		Decision:        model.DecisionActionBlock,
		DecisionReason:  "php_path",
		DecisionReasons: []string{"php_path"},
		Enforced:        true,
		RawJSON:         `{"status":404}`,
	}
	if err := db.RecordEvent(ctx, event); err != nil {
		t.Fatalf("record event: %v", err)
	}
	if event.ID == 0 {
		t.Fatalf("expected inserted event ID")
	}

	state, found, err := db.GetIPState(ctx, "203.0.113.10")
	if err != nil {
		t.Fatalf("get ip state: %v", err)
	}
	if !found {
		t.Fatalf("expected IP state to exist")
	}
	if state.State != model.IPStateBlocked {
		t.Fatalf("unexpected ip state: %+v", state)
	}
	if state.TotalEvents != 1 {
		t.Fatalf("unexpected total events: %d", state.TotalEvents)
	}

	if _, err := db.SetManualOverride(ctx, "203.0.113.10", model.ManualOverrideForceAllow, model.IPStateAllowed, "manual allow"); err != nil {
		t.Fatalf("set manual override: %v", err)
	}
	state, found, err = db.GetIPState(ctx, "203.0.113.10")
	if err != nil || !found {
		t.Fatalf("get overridden ip state: found=%v err=%v", found, err)
	}
	if state.ManualOverride != model.ManualOverrideForceAllow {
		t.Fatalf("unexpected override after set: %+v", state)
	}

	if _, err := db.ClearManualOverride(ctx, "203.0.113.10", "reset"); err != nil {
		t.Fatalf("clear manual override: %v", err)
	}
	state, found, err = db.GetIPState(ctx, "203.0.113.10")
	if err != nil || !found {
		t.Fatalf("get reset ip state: found=%v err=%v", found, err)
	}
	if state.ManualOverride != model.ManualOverrideNone {
		t.Fatalf("expected cleared override, got %+v", state)
	}

	if err := db.AddDecision(ctx, &model.DecisionRecord{EventID: event.ID, IP: event.ClientIP, SourceName: event.SourceName, Kind: "automatic", Action: model.DecisionActionBlock, Reason: "php_path", Actor: "engine", Enforced: true}); err != nil {
		t.Fatalf("add decision: %v", err)
	}
	if err := db.AddBackendAction(ctx, &model.OPNsenseAction{IP: event.ClientIP, Action: "block", Result: "added", Message: "php_path"}); err != nil {
		t.Fatalf("add backend action: %v", err)
	}
	if err := db.SaveSourceOffset(ctx, model.SourceOffset{SourceName: "main", Path: "/tmp/main.log", Inode: "1:2", Offset: 42, UpdatedAt: occurredAt}); err != nil {
		t.Fatalf("save source offset: %v", err)
	}
	offset, found, err := db.GetSourceOffset(ctx, "main")
	if err != nil {
		t.Fatalf("get source offset: %v", err)
	}
	if !found || offset.Offset != 42 {
		t.Fatalf("unexpected source offset: found=%v offset=%+v", found, offset)
	}

	overview, err := db.GetOverview(ctx, 10)
	if err != nil {
		t.Fatalf("get overview: %v", err)
	}
	if overview.TotalEvents != 1 || overview.TotalIPs != 1 {
		t.Fatalf("unexpected overview counters: %+v", overview)
	}
	recentIPs, err := db.ListRecentIPRows(ctx, occurredAt.Add(-time.Hour), 10)
	if err != nil {
		t.Fatalf("list recent ip rows: %v", err)
	}
	if len(recentIPs) != 1 {
		t.Fatalf("unexpected recent ip rows count: %d", len(recentIPs))
	}
	if recentIPs[0].IP != event.ClientIP || recentIPs[0].SourceName != event.SourceName || recentIPs[0].Events != 1 {
		t.Fatalf("unexpected recent ip row: %+v", recentIPs[0])
	}
	details, err := db.GetIPDetails(ctx, event.ClientIP, 10, 10, 10)
	if err != nil {
		t.Fatalf("get ip details: %v", err)
	}
	if len(details.RecentEvents) != 1 || len(details.Decisions) != 1 || len(details.BackendActions) != 1 {
		t.Fatalf("unexpected ip details: %+v", details)
	}

	investigation := model.IPInvestigation{
		IP:        event.ClientIP,
		UpdatedAt: occurredAt,
		Bot:       &model.BotMatch{Name: "Googlebot", ProviderID: "google_official", Icon: "🤖", Method: "published_ranges", Verified: true},
	}
	if err := db.SaveInvestigation(ctx, investigation); err != nil {
		t.Fatalf("save investigation: %v", err)
	}
	loadedInvestigation, found, err := db.GetInvestigation(ctx, event.ClientIP)
	if err != nil {
		t.Fatalf("get investigation: %v", err)
	}
	if !found || loadedInvestigation.Bot == nil || loadedInvestigation.Bot.Name != "Googlebot" {
		t.Fatalf("unexpected investigation payload: found=%v investigation=%+v", found, loadedInvestigation)
	}
	investigations, err := db.GetInvestigationsForIPs(ctx, []string{event.ClientIP, "198.51.100.99"})
	if err != nil {
		t.Fatalf("get investigations for ips: %v", err)
	}
	if len(investigations) != 1 || investigations[event.ClientIP].Bot == nil {
		t.Fatalf("unexpected investigations map: %+v", investigations)
	}
	userAgents, err := db.ListRecentUserAgentsForIP(ctx, event.ClientIP, 10)
	if err != nil {
		t.Fatalf("list recent user agents: %v", err)
	}
	if len(userAgents) != 1 || userAgents[0] != event.UserAgent {
		t.Fatalf("unexpected user agents: %#v", userAgents)
	}
}