package runtime

import (
	"context"
	"encoding/json"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"testing"

	"browser.local/run/config"
	"browser.local/run/protocol"
)

func TestMaterializeSQLiteSnapshotDataTargetCreatesScopedProbeTarget(t *testing.T) {
	workspaceRoot := t.TempDir()
	sourceRoot := t.TempDir()
	createSQLiteProbeFixture(t, filepath.Join(sourceRoot, "Saved", "SaveFiles", "current.db"))
	target := protocol.RunAutonomousDataTarget{Key: "current-db", Kind: "sqlite.snapshot", TransportKey: "current-db", SourceRootKey: "server-root", SourcePath: "Saved/SaveFiles/current.db", WorkspaceKey: "databases/current-db", RefreshPolicy: "on-demand-snapshot", MaxBytes: 128 * 1024 * 1024}

	manifest, err := materializeSQLiteSnapshotDataTarget(context.Background(), workspaceRoot, "server-data", "run-local", target, map[string]string{"server-root": sourceRoot})
	if err != nil {
		t.Fatalf("materialize data target: %v", err)
	}
	if manifest.SnapshotChecksum == "" || manifest.SnapshotSizeBytes <= 0 || manifest.SourcePathFingerprint == "" {
		t.Fatalf("expected bounded snapshot metadata, got %+v", manifest)
	}
	scope, err := NewWorkspaceResolver(workspaceRoot).Scope("server-data", "run-local")
	if err != nil {
		t.Fatalf("resolve scope: %v", err)
	}
	manifestBody, err := os.ReadFile(filepath.Join(scope, "databases", "current-db.snapshot.json"))
	if err != nil {
		t.Fatalf("read snapshot manifest: %v", err)
	}
	if strings.Contains(string(manifestBody), sourceRoot) || strings.Contains(string(manifestBody), "Saved/SaveFiles/current.db") {
		t.Fatalf("snapshot manifest leaked host/source material: %s", manifestBody)
	}

	assignment := sqliteSchemaProbeAssignment()
	assignment.ServerInstanceID = "server-data"
	assignment.ExecutionInput.WorkspaceScope = "run-local"
	assignment.TargetKey = "databases/current-db"
	assignment.ExecutionInput.SQLiteSchemaProbe.Binding.ServerInstanceID = assignment.ServerInstanceID
	assignment.ExecutionInput.SQLiteSchemaProbe.Binding.RunEndpointID = assignment.RunEndpointID
	result := NewSQLiteSchemaProbeExecutor(workspaceRoot).Execute(context.Background(), assignment)
	if result.State != lifecycleResultStateSucceeded || result.ExecutionResult.SQLiteSchemaProbe == nil || result.ExecutionResult.SQLiteSchemaProbe.Status != "succeeded" {
		t.Fatalf("expected probe to read materialized snapshot, got %+v", result)
	}
}

func TestWorkerMaterializesMatchingDataTargetBeforeSQLiteProbe(t *testing.T) {
	client := newFakeWorkerClient()
	cfg := workerTestConfig(t)
	cfg.ServerInstanceID = "server-data"
	cfg.PluginID = "game.example"
	cfg.ComponentKind = config.PackageComponentRun
	cfg.ComponentKey = "run-local"
	sourceRoot := t.TempDir()
	createSQLiteProbeFixture(t, filepath.Join(sourceRoot, "Saved", "SaveFiles", "current.db"))
	writeAutonomousPlanFixture(t, cfg.WorkspaceRoot, cfg.ServerInstanceID, cfg.ComponentKey, protocol.RunAutonomousLifecyclePlan{
		SchemaVersion:    "1",
		ServerInstanceID: cfg.ServerInstanceID,
		PluginID:         cfg.PluginID,
		PluginVersion:    "1.0.0",
		RunEndpointID:    cfg.RunEndpointID,
		ProfileKey:       cfg.ComponentKey,
		TargetOS:         runtime.GOOS,
		TargetArch:       runtime.GOARCH,
		TargetRelease:    "run-dist-test",
		Bootstrap:        &protocol.RunAutonomousLifecycleAction{Action: "start", Operation: "start", Capability: protocol.RunCapabilityProcessStart, TargetKey: "actions/start.json"},
		DataTargets:      []protocol.RunAutonomousDataTarget{{Key: "current-db", Kind: "sqlite.snapshot", TransportKey: "current-db", SourceRootKey: "server-root", SourcePath: "Saved/SaveFiles/current.db", WorkspaceKey: "databases/current-db", RefreshPolicy: "on-demand-snapshot", MaxBytes: 128 * 1024 * 1024, Platforms: []string{runtime.GOOS}}},
		RuntimeBindings:  map[string]string{"server-root": sourceRoot},
	})
	worker, err := NewWorker(cfg, client)
	if err != nil {
		t.Fatalf("new worker: %v", err)
	}
	assignment := sqliteSchemaProbeAssignment()
	assignment.ServerInstanceID = cfg.ServerInstanceID
	assignment.RunEndpointID = cfg.RunEndpointID
	assignment.TargetKey = "current-db"
	assignment.ExecutionInput.WorkspaceScope = cfg.ComponentKey
	assignment.ExecutionInput.SQLiteSchemaProbe.Binding.ServerInstanceID = cfg.ServerInstanceID
	assignment.ExecutionInput.SQLiteSchemaProbe.Binding.RunEndpointID = cfg.RunEndpointID
	assignment.ExecutionInput.SQLiteSchemaProbe.Binding.PluginID = cfg.PluginID

	result := worker.executeAssignment(context.Background(), assignment)
	if result.State != lifecycleResultStateSucceeded || result.ExecutionResult.SQLiteSchemaProbe == nil || result.ExecutionResult.SQLiteSchemaProbe.Status != "succeeded" {
		serialized, _ := json.Marshal(result)
		t.Fatalf("expected worker probe to materialize and inspect data target, got %s", serialized)
	}
}

func TestWorkerMaterializesMatchingDataTargetBeforeSQLiteQuery(t *testing.T) {
	client := newFakeWorkerClient()
	cfg := workerTestConfig(t)
	cfg.ServerInstanceID = "server-data-query"
	cfg.PluginID = "game.example"
	cfg.ComponentKind = config.PackageComponentRun
	cfg.ComponentKey = "run-local"
	sourceRoot := t.TempDir()
	createSQLiteProbeFixture(t, filepath.Join(sourceRoot, "Saved", "SaveFiles", "current.db"))
	writeAutonomousPlanFixture(t, cfg.WorkspaceRoot, cfg.ServerInstanceID, cfg.ComponentKey, protocol.RunAutonomousLifecyclePlan{
		SchemaVersion:    "1",
		ServerInstanceID: cfg.ServerInstanceID,
		PluginID:         cfg.PluginID,
		PluginVersion:    "1.0.0",
		RunEndpointID:    cfg.RunEndpointID,
		ProfileKey:       cfg.ComponentKey,
		TargetOS:         runtime.GOOS,
		TargetArch:       runtime.GOARCH,
		TargetRelease:    "run-dist-test",
		Bootstrap:        &protocol.RunAutonomousLifecycleAction{Action: "start", Operation: "start", Capability: protocol.RunCapabilityProcessStart, TargetKey: "actions/start.json"},
		DataTargets:      []protocol.RunAutonomousDataTarget{{Key: "current-db", Kind: "sqlite.snapshot", TransportKey: "current-db", SourceRootKey: "server-root", SourcePath: "Saved/SaveFiles/current.db", WorkspaceKey: "databases/current-db", RefreshPolicy: "on-demand-snapshot", MaxBytes: 128 * 1024 * 1024, Platforms: []string{runtime.GOOS}}},
		RuntimeBindings:  map[string]string{"server-root": sourceRoot},
	})
	scope, err := NewWorkspaceResolver(cfg.WorkspaceRoot).Scope(cfg.ServerInstanceID, cfg.ComponentKey)
	if err != nil {
		t.Fatalf("create package scope: %v", err)
	}
	writeSQLiteQueryAsset(t, scope, "sql/members.sql", "SELECT CAST(id AS TEXT) AS memberId, name AS displayName FROM members ORDER BY id LIMIT :limit")
	worker, err := NewWorker(cfg, client)
	if err != nil {
		t.Fatalf("new worker: %v", err)
	}
	assignment := lifecycleAssignment(protocol.RunCapabilityRemoteRunDBSQLiteQuery)
	assignment.ServerInstanceID = cfg.ServerInstanceID
	assignment.RunEndpointID = cfg.RunEndpointID
	assignment.TargetKey = "current-db"
	assignment.InputRef = "input://plugin-query-poll/server-data-query/members"
	assignment.ExecutionInput.WorkspaceScope = cfg.ComponentKey
	assignment.ExecutionInput.PluginID = cfg.PluginID
	assignment.ExecutionInput.RemoteAdapterKey = "current-db"
	assignment.ExecutionInput.RemoteAdapterKind = "database"
	assignment.ExecutionInput.TimeoutSeconds = 10
	assignment.ExecutionInput.Inputs = map[string]string{"sqlRef": "sql/members.sql", "maxRows": "2"}

	result := worker.executeAssignment(context.Background(), assignment)
	if result.State != lifecycleResultStateSucceeded || result.ExecutionResult.Kind != "sqlite.query" || !strings.Contains(result.ExecutionResult.Content, `"displayName":"alpha"`) {
		serialized, _ := json.Marshal(result)
		t.Fatalf("expected worker query to materialize and return rows, got %s", serialized)
	}
}

func TestWorkerSQLiteQueryRequiresDeclaredDataTarget(t *testing.T) {
	client := newFakeWorkerClient()
	cfg := workerTestConfig(t)
	cfg.ServerInstanceID = "server-data-query-missing"
	cfg.PluginID = "game.example"
	cfg.ComponentKind = config.PackageComponentRun
	cfg.ComponentKey = "run-local"
	writeAutonomousPlanFixture(t, cfg.WorkspaceRoot, cfg.ServerInstanceID, cfg.ComponentKey, protocol.RunAutonomousLifecyclePlan{
		SchemaVersion: "1", ServerInstanceID: cfg.ServerInstanceID, PluginID: cfg.PluginID, PluginVersion: "1.0.0", RunEndpointID: cfg.RunEndpointID, ProfileKey: cfg.ComponentKey,
		TargetOS: runtime.GOOS, TargetArch: runtime.GOARCH, TargetRelease: "run-dist-test",
	})
	worker, err := NewWorker(cfg, client)
	if err != nil {
		t.Fatalf("new worker: %v", err)
	}
	assignment := lifecycleAssignment(protocol.RunCapabilityRemoteRunDBSQLiteQuery)
	assignment.ServerInstanceID = cfg.ServerInstanceID
	assignment.RunEndpointID = cfg.RunEndpointID
	assignment.TargetKey = "current-db"
	assignment.InputRef = "input://plugin-query-poll/server-data-query-missing/members"
	assignment.ExecutionInput.WorkspaceScope = cfg.ComponentKey
	assignment.ExecutionInput.PluginID = cfg.PluginID
	assignment.ExecutionInput.RemoteAdapterKey = "current-db"
	assignment.ExecutionInput.RemoteAdapterKind = "database"
	assignment.ExecutionInput.Inputs = map[string]string{"sqlRef": "sql/members.sql", "maxRows": "2"}

	if result := worker.executeAssignment(context.Background(), assignment); result.ErrorCode != "data_target_not_declared" {
		t.Fatalf("expected missing target failure, got %+v", result)
	}
}

func TestMaterializeSQLiteSnapshotDataTargetRejectsUnboundSourceRoot(t *testing.T) {
	target := protocol.RunAutonomousDataTarget{Key: "current-db", Kind: "sqlite.snapshot", TransportKey: "current-db", SourceRootKey: "server-root", SourcePath: "Saved/SaveFiles/current.db", WorkspaceKey: "databases/current-db", RefreshPolicy: "on-demand-snapshot", MaxBytes: 128 * 1024 * 1024}
	_, err := materializeSQLiteSnapshotDataTarget(context.Background(), t.TempDir(), "server-data", "run-local", target, map[string]string{})
	if err == nil || dataTargetErrorCode(err) != "data_target_source_unbound" {
		t.Fatalf("expected unbound source root rejection, got %v", err)
	}
}