//go:build integration

package store

import (
	"context"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"github.com/shcizo/package-updater/internal/master/model"
	"github.com/shcizo/package-updater/internal/pin"
	"github.com/shcizo/package-updater/internal/protocol"
)

func TestIdentity_CreatedOnceThenReused(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	k1, err := s.LoadOrCreateIdentity(ctx, pin.GenerateKey)
	require.NoError(t, err)
	k2, err := s.LoadOrCreateIdentity(ctx, pin.GenerateKey)
	require.NoError(t, err)
	assert.True(t, k1.Equal(k2), "a restarted master must keep its key or every agent breaks")
}

func TestMigrationsAreIdempotent(t *testing.T) {
	s := openTestStore(t)
	require.NoError(t, migrate(context.Background(), s.pool))
}

func TestAgents_CreateLookupRevoke(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()

	created, err := s.CreateAgent(ctx, "node-2", "hash-2")
	require.NoError(t, err)
	assert.Equal(t, "node-2", created.Name)
	assert.Nil(t, created.RevokedAt)

	found, err := s.AgentByTokenHash(ctx, "hash-2")
	require.NoError(t, err)
	assert.Equal(t, created.ID, found.ID)

	_, err = s.AgentByTokenHash(ctx, "nope")
	assert.ErrorIs(t, err, model.ErrNotFound)

	require.NoError(t, s.RevokeAgent(ctx, created.ID, time.Now()))
	found, err = s.AgentByTokenHash(ctx, "hash-2")
	require.NoError(t, err)
	assert.NotNil(t, found.RevokedAt)
}

func TestAgents_DuplicateNameIsConflict(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	_, err := s.CreateAgent(ctx, "node-2", "h1")
	require.NoError(t, err)
	_, err = s.CreateAgent(ctx, "node-2", "h2")
	assert.ErrorIs(t, err, model.ErrConflict)
}

func TestAgents_RecordHelloAndMarkSeen(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	a, err := s.CreateAgent(ctx, "swarm-mgr", "h")
	require.NoError(t, err)

	at := time.Date(2026, 10, 12, 12, 0, 0, 0, time.UTC)
	require.NoError(t, s.RecordHello(ctx, a.ID, protocol.Hello{
		Hostname: "swarm-mgr", AgentVersion: "v1", SwarmManager: true, SwarmClusterID: "c1",
	}, at))
	require.NoError(t, s.MarkSeen(ctx, a.ID, at.Add(time.Minute)))

	agents, err := s.ListAgents(ctx)
	require.NoError(t, err)
	require.Len(t, agents, 1)
	assert.Equal(t, "swarm-mgr", agents[0].Hostname)
	assert.Equal(t, "v1", agents[0].AgentVersion)
	assert.True(t, agents[0].SwarmManager)
	require.NotNil(t, agents[0].LastSeenAt)
	assert.True(t, agents[0].LastSeenAt.Equal(at.Add(time.Minute)))
}

func TestAgents_RevokedNameCanBeReused(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	old, err := s.CreateAgent(ctx, "node-2", "h1")
	require.NoError(t, err)
	require.NoError(t, s.RevokeAgent(ctx, old.ID, time.Now()))

	fresh, err := s.CreateAgent(ctx, "node-2", "h2")
	require.NoError(t, err)
	assert.NotEqual(t, old.ID, fresh.ID)

	_, err = s.CreateAgent(ctx, "node-2", "h3")
	assert.ErrorIs(t, err, model.ErrConflict, "a second active agent with the name is still a conflict")
}

func TestAgents_RevokeRemovesOwnComposeAndContainerServices(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	id := newAgent(t, s, "swarm-mgr")
	require.NoError(t, s.ApplySnapshot(ctx, id, manager, []protocol.Service{slusk, adhoc, gitea}, t0))

	require.NoError(t, s.RevokeAgent(ctx, id, t0.Add(time.Hour)))

	got, err := s.ListServices(ctx)
	require.NoError(t, err)
	assert.Equal(t, []string{"gitea_gitea"}, names(got), "swarm rows are shared and must survive a revoke")
}

func TestRevokedAgent_InventoryWritesRefused(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	id := newAgent(t, s, "node-2")
	require.NoError(t, s.RevokeAgent(ctx, id, t0))

	assert.ErrorIs(t, s.ApplySnapshot(ctx, id, worker, []protocol.Service{slusk}, t0.Add(time.Minute)), model.ErrRevoked)
	assert.ErrorIs(t, s.UpsertService(ctx, id, "", adhoc, t0.Add(time.Minute)), model.ErrRevoked)

	got, err := s.ListServices(ctx)
	require.NoError(t, err)
	assert.Empty(t, got, "a revoked agent must not write inventory")
}

func TestRevokedAgent_UpsertDoesNotResurrectRemovedRow(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	id := newAgent(t, s, "node-2")
	require.NoError(t, s.ApplySnapshot(ctx, id, worker, []protocol.Service{slusk}, t0))
	require.NoError(t, s.RevokeAgent(ctx, id, t0.Add(time.Hour)))

	assert.ErrorIs(t, s.UpsertService(ctx, id, "", slusk, t0.Add(2*time.Hour)), model.ErrRevoked)

	got, err := s.ListServices(ctx)
	require.NoError(t, err)
	assert.Empty(t, got, "the revoked agent's removed row must stay removed")
}

func TestRevokeAgent_FailsActiveJobs(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	a, svcA := jobFixture(t, s, "a")
	b, svcB := jobFixture(t, s, "b")
	ja, err := s.CreateJob(ctx, newJob(svcA, a))
	require.NoError(t, err)
	jb, err := s.CreateJob(ctx, newJob(svcB, b))
	require.NoError(t, err)

	require.NoError(t, s.RevokeAgent(ctx, a, t0))

	got, err := s.GetJob(ctx, ja.ID)
	require.NoError(t, err)
	assert.Equal(t, model.JobFailed, got.Status)
	assert.Equal(t, "agent revoked", got.Error)
	got, err = s.GetJob(ctx, jb.ID)
	require.NoError(t, err)
	assert.Equal(t, model.JobQueued, got.Status)
}