package db

import (
	"encoding/json"
	"testing"
)

func TestOathLedgerRoundTrip(t *testing.T) {
	d, err := New(t.TempDir())
	if err != nil {
		t.Fatal(err)
	}
	defer d.Close()

	why := map[string]string{"tier": "dns_txt", "lane": "spread"}
	hash := HashWhyJSON(why)
	entry, err := d.InsertOathLedger(
		"operator", OathSpreadTierEscalation, "agent-1", "#aabbcc", hash, OathOutcomeSuccess,
		map[string]string{"command_type": "reorder_tiers"},
	)
	if err != nil {
		t.Fatal(err)
	}
	if entry == nil || entry.ID == 0 {
		t.Fatalf("expected inserted entry, got %+v", entry)
	}
	if entry.WhyHash != hash {
		t.Fatalf("why_hash = %q want %q", entry.WhyHash, hash)
	}

	rows, err := d.ListOathLedger(10)
	if err != nil {
		t.Fatal(err)
	}
	if len(rows) != 1 {
		t.Fatalf("rows = %+v", rows)
	}
	if rows[0].ActionType != OathSpreadTierEscalation || rows[0].Actor != "operator" {
		t.Fatalf("unexpected row: %+v", rows[0])
	}
}

func TestHashWhyJSONStable(t *testing.T) {
	src := map[string]interface{}{"verdict": "retry spread", "clearance": 4}
	h1 := HashWhyJSON(src)
	h2 := HashWhyJSON(src)
	if h1 == "" || h1 != h2 {
		t.Fatalf("hash unstable: %q %q", h1, h2)
	}
	if len(h1) != 64 {
		t.Fatalf("expected sha256 hex length 64, got %d", len(h1))
	}
	_, _ = json.Marshal(src)
}