package keeper_test

import (
	"context"
	"testing"
	"time"

	"github.com/stretchr/testify/suite"

	"github.com/sonr-io/sonr/x/dwn/keeper"
)

// KeyRotationTestSuite tests key rotation functionality
type KeyRotationTestSuite struct {
	suite.Suite
	ctx       context.Context
	keeper    *keeper.Keeper
	scheduler *keeper.KeyRotationScheduler
}

func (suite *KeyRotationTestSuite) SetupTest() {
	suite.ctx = context.Background()
	// Initialize keeper and scheduler (would be done in actual test setup)
	// suite.keeper = setupTestKeeper()
	// suite.scheduler = keeper.NewKeyRotationScheduler(suite.keeper)
}

func TestKeyRotationTestSuite(t *testing.T) {
	suite.Run(t, new(KeyRotationTestSuite))
}

// TestNewKeyRotationScheduler tests scheduler creation
func TestNewKeyRotationScheduler(t *testing.T) {
	// This would require a proper test keeper setup
	t.Skip("Requires test keeper setup")

	// keeper := setupTestKeeper()
	// scheduler := keeper.NewKeyRotationScheduler(keeper)
	//
	// require.NotNil(t, scheduler)
	// policy := scheduler.GetRotationPolicy()
	// require.True(t, policy.Enabled)
	// require.Equal(t, 30*24*time.Hour, policy.RotationInterval)
	// require.Equal(t, uint64(1000000), policy.MaxUsageCount)
}

// TestTimeBasedRotation tests time-based key rotation
func TestTimeBasedRotation(t *testing.T) {
	tests := []struct {
		name             string
		lastRotation     time.Time
		rotationInterval time.Duration
		shouldRotate     bool
	}{
		{
			name:             "rotation due - interval passed",
			lastRotation:     time.Now().Add(-31 * 24 * time.Hour),
			rotationInterval: 30 * 24 * time.Hour,
			shouldRotate:     true,
		},
		{
			name:             "rotation not due - within interval",
			lastRotation:     time.Now().Add(-20 * 24 * time.Hour),
			rotationInterval: 30 * 24 * time.Hour,
			shouldRotate:     false,
		},
		{
			name:             "rotation due - exactly at interval",
			lastRotation:     time.Now().Add(-30 * 24 * time.Hour),
			rotationInterval: 30 * 24 * time.Hour,
			shouldRotate:     true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// Test logic would go here with proper keeper setup
			t.Skip("Requires test keeper setup")
		})
	}
}

// TestUsageBasedRotation tests usage-based key rotation
func TestUsageBasedRotation(t *testing.T) {
	tests := []struct {
		name         string
		currentUsage uint64
		maxUsage     uint64
		shouldRotate bool
	}{
		{
			name:         "rotation due - max usage reached",
			currentUsage: 1000000,
			maxUsage:     1000000,
			shouldRotate: true,
		},
		{
			name:         "rotation due - usage exceeded",
			currentUsage: 1000001,
			maxUsage:     1000000,
			shouldRotate: true,
		},
		{
			name:         "rotation not due - under limit",
			currentUsage: 999999,
			maxUsage:     1000000,
			shouldRotate: false,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// Test logic would go here with proper keeper setup
			t.Skip("Requires test keeper setup")
		})
	}
}

// TestRotationPolicy tests rotation policy configuration
func TestRotationPolicy(t *testing.T) {
	t.Skip("Requires test keeper setup")

	// Test setting and getting rotation policy
	// keeper := setupTestKeeper()
	// scheduler := keeper.NewKeyRotationScheduler(keeper)
	//
	// newPolicy := &keeper.KeyRotationPolicy{
	// 	RotationInterval:        7 * 24 * time.Hour,
	// 	MaxUsageCount:          500000,
	// 	RotateOnCompromise:     false,
	// 	RotateOnValidatorChange: false,
	// 	Enabled:                true,
	// 	GracePeriod:            12 * time.Hour,
	// }
	//
	// scheduler.SetRotationPolicy(newPolicy)
	// retrievedPolicy := scheduler.GetRotationPolicy()
	//
	// require.Equal(t, newPolicy.RotationInterval, retrievedPolicy.RotationInterval)
	// require.Equal(t, newPolicy.MaxUsageCount, retrievedPolicy.MaxUsageCount)
	// require.Equal(t, newPolicy.RotateOnCompromise, retrievedPolicy.RotateOnCompromise)
}

// TestCompromiseEventHandling tests key compromise response
func TestCompromiseEventHandling(t *testing.T) {
	tests := []struct {
		name               string
		rotateOnCompromise bool
		expectRotation     bool
	}{
		{
			name:               "compromise triggers rotation when enabled",
			rotateOnCompromise: true,
			expectRotation:     true,
		},
		{
			name:               "compromise ignored when disabled",
			rotateOnCompromise: false,
			expectRotation:     false,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// Test logic would go here with proper keeper setup
			t.Skip("Requires test keeper setup")
		})
	}
}

// TestIncrementUsageCount tests usage counter incrementation
func TestIncrementUsageCount(t *testing.T) {
	t.Skip("Requires test keeper setup")

	// Test that usage count increments correctly
	// and triggers rotation when limit reached
}

// TestScheduleNextRotation tests rotation scheduling
func TestScheduleNextRotation(t *testing.T) {
	t.Skip("Requires test keeper setup")

	// Test that next rotation is scheduled correctly
	// based on the rotation interval
}

// TestBeginBlockRotationCheck tests rotation checks in BeginBlock
func TestBeginBlockRotationCheck(t *testing.T) {
	t.Skip("Requires test keeper setup")

	// Test that rotation checks are performed in BeginBlock
	// and don't fail the block on error
}

// TestConcurrentRotationRequests tests handling of concurrent rotation requests
func TestConcurrentRotationRequests(t *testing.T) {
	t.Skip("Requires test keeper setup")

	// Test that concurrent rotation requests are handled safely
	// and don't cause race conditions
}

// BenchmarkRotationCheck benchmarks rotation policy checks
func BenchmarkRotationCheck(b *testing.B) {
	b.Skip("Requires test keeper setup")

	// Benchmark the performance of rotation policy checks
	// to ensure they don't impact block processing
}