package repository
import "context"

import (
	"testing"
	"time"

	"supply-intelligence/internal/domain"
)

func TestMemoryRepositoryRoutingState(t *testing.T) {
	repo := NewMemoryRepository()
	state := domain.AccountRoutingState{AccountID: 1, Platform: "openai", AccountStatus: domain.AccountStatusActive, RoutingEnabled: true, Version: 1}
	repo.UpsertRoutingState(context.Background(), state)

	got, ok := repo.GetRoutingState(context.Background(), 1)
	if !ok {
		t.Fatalf("expected routing state")
	}
	if got.AccountStatus != domain.AccountStatusActive {
		t.Fatalf("unexpected status: %q", got.AccountStatus)
	}
}

func TestMemoryRepositoryPackageEventsAndAck(t *testing.T) {
	repo := NewMemoryRepository()
	evt := domain.PackageChangeEvent{EventID: "evt-1", EventType: "supply_package_published", PackageID: 1, Platform: "openai", Model: "gpt-4.1-mini", OccurredAt: time.Unix(10, 0).UTC(), Version: 2}
	repo.AppendPackageEvent(context.Background(), evt)

	items := repo.ListPackageEvents(context.Background(), )
	if len(items) != 1 {
		t.Fatalf("expected 1 event, got %d", len(items))
	}
	ackedAt := time.Unix(20, 0).UTC()
	updated, err := repo.AckPackageEvent(context.Background(), "evt-1", "gateway", domain.GatewayAckResultApplied, "ok", ackedAt)
	if err != nil {
		t.Fatalf("unexpected ack error: %v", err)
	}
	if updated.GatewaySyncStatus != domain.GatewaySyncStatusApplied {
		t.Fatalf("unexpected ack status: %+v", updated)
	}
	if updated.Consumer != "gateway" || updated.ConsumerDetail != "ok" {
		t.Fatalf("unexpected consumer metadata: %+v", updated)
	}
	if updated.AckedAt == nil || !updated.AckedAt.Equal(ackedAt) {
		t.Fatalf("unexpected ack time: %+v", updated)
	}
}

func TestMemoryRepositoryListPackageEventsAfterCursor(t *testing.T) {
	repo := NewMemoryRepository()
	repo.AppendPackageEvent(context.Background(), domain.PackageChangeEvent{EventID: "evt-1", EventType: "supply_package_published", PackageID: 1, Platform: "openai", Model: "a", OccurredAt: time.Unix(10, 0).UTC(), Version: 1})
	repo.AppendPackageEvent(context.Background(), domain.PackageChangeEvent{EventID: "evt-2", EventType: "supply_package_published", PackageID: 2, Platform: "openai", Model: "b", OccurredAt: time.Unix(20, 0).UTC(), Version: 2})

	items, nextCursor := repo.ListPackageEventsAfter(context.Background(), "")
	if len(items) != 2 || nextCursor != "" {
		t.Fatalf("unexpected initial page: len=%d next=%q", len(items), nextCursor)
	}

	items, nextCursor = repo.ListPackageEventsAfter(context.Background(), "evt-1")
	if len(items) != 1 || items[0].EventID != "evt-2" || nextCursor != "" {
		t.Fatalf("unexpected cursor page: items=%+v next=%q", items, nextCursor)
	}
}

func TestMemoryRepositoryDiscoveryCandidateCRUD(t *testing.T) {
	repo := NewMemoryRepository()
	candidate := domain.DiscoveryCandidate{
		CandidateID:  "cand-1",
		AccountID:    1,
		Platform:     "openai",
		Model:        "gpt-4.1-mini",
		Source:       "seed",
		Status:       domain.DiscoveryCandidateStatusPendingAdmission,
		DiscoveredAt: time.Unix(10, 0).UTC(),
		UpdatedAt:    time.Unix(10, 0).UTC(),
		Version:      1,
	}
	repo.UpsertDiscoveryCandidateContext(nil, candidate)
	got, ok := repo.GetDiscoveryCandidateByIDContext(nil, "cand-1")
	if !ok || got.CandidateID != "cand-1" {
		t.Fatalf("expected candidate, got %+v ok=%v", got, ok)
	}
}

func TestMemoryRepositoryFindDiscoveryCandidateByBusinessKey(t *testing.T) {
	repo := NewMemoryRepository()
	repo.UpsertDiscoveryCandidateContext(nil, domain.DiscoveryCandidate{
		CandidateID:  "cand-1",
		AccountID:    1,
		Platform:     "openai",
		Model:        "gpt-4.1-mini",
		Source:       "seed",
		Status:       domain.DiscoveryCandidateStatusPendingAdmission,
		DiscoveredAt: time.Unix(10, 0).UTC(),
		UpdatedAt:    time.Unix(10, 0).UTC(),
		Version:      1,
	})
	got, ok := repo.FindDiscoveryCandidateContext(nil, 1, "openai", "gpt-4.1-mini")
	if !ok || got.CandidateID != "cand-1" {
		t.Fatalf("expected candidate by business key, got %+v ok=%v", got, ok)
	}
}

func TestMemoryRepositoryGetLatestDiscoveryCandidate(t *testing.T) {
	repo := NewMemoryRepository()
	repo.UpsertDiscoveryCandidateContext(nil, domain.DiscoveryCandidate{
		CandidateID:  "cand-1",
		AccountID:    1,
		Platform:     "openai",
		Model:        "gpt-4.1-mini",
		Source:       "seed",
		Status:       domain.DiscoveryCandidateStatusDiscovered,
		DiscoveredAt: time.Unix(10, 0).UTC(),
		UpdatedAt:    time.Unix(10, 0).UTC(),
		Version:      1,
	})
	repo.UpsertDiscoveryCandidateContext(nil, domain.DiscoveryCandidate{
		CandidateID:  "cand-2",
		AccountID:    2,
		Platform:     "openai",
		Model:        "gpt-4.1-mini",
		Source:       "seed",
		Status:       domain.DiscoveryCandidateStatusTestPassed,
		DiscoveredAt: time.Unix(20, 0).UTC(),
		UpdatedAt:    time.Unix(20, 0).UTC(),
		Version:      2,
	})
	got, ok := repo.GetLatestDiscoveryCandidateContext(nil, "openai", "gpt-4.1-mini")
	if !ok || got.CandidateID != "cand-2" {
		t.Fatalf("expected latest candidate, got %+v ok=%v", got, ok)
	}
}

func TestMemoryRepositoryListDiscoveryCandidatesByStatusAndOrder(t *testing.T) {
	repo := NewMemoryRepository()
	repo.UpsertDiscoveryCandidateContext(nil, domain.DiscoveryCandidate{
		CandidateID:  "cand-2",
		AccountID:    2,
		Platform:     "openai",
		Model:        "b",
		Source:       "seed",
		Status:       domain.DiscoveryCandidateStatusAdmitted,
		DiscoveredAt: time.Unix(20, 0).UTC(),
		UpdatedAt:    time.Unix(20, 0).UTC(),
		Version:      1,
	})
	repo.UpsertDiscoveryCandidateContext(nil, domain.DiscoveryCandidate{
		CandidateID:  "cand-1",
		AccountID:    1,
		Platform:     "openai",
		Model:        "a",
		Source:       "seed",
		Status:       domain.DiscoveryCandidateStatusPendingAdmission,
		DiscoveredAt: time.Unix(10, 0).UTC(),
		UpdatedAt:    time.Unix(10, 0).UTC(),
		Version:      1,
	})
	items := repo.ListDiscoveryCandidatesContext(nil, domain.DiscoveryCandidateStatusPendingAdmission)
	if len(items) != 1 || items[0].CandidateID != "cand-1" {
		t.Fatalf("unexpected filtered items: %+v", items)
	}
	all := repo.ListDiscoveryCandidatesContext(nil, "")
	if len(all) != 2 || all[0].CandidateID != "cand-1" || all[1].CandidateID != "cand-2" {
		t.Fatalf("unexpected ordering: %+v", all)
	}
}