# Key Files and Their Current State

## DependencyInjectionExtensions.cs

**Status**: ✅ Fully updated
**Key Changes**:

- Added metadataSchema and metadataPrefix parameters
- Renamed metadataLocation to metadataStorage
- Added comprehensive validation logic
- Registered TableNamingService as singleton
- Removed LogConfiguration method

**Current AddMigration signature**:

```csharp
public static void AddMigration(this IServiceCollection services,
    DatabaseType databaseType = DatabaseType.SQLite,
    MetadataStorage metadataStorage = MetadataStorage.XmlFile,
    string connectionName = "DatabaseConnection",
    string workspace = "Workspace",
    string scriptsDirectoryPath = "Scripts",
    string metadataSchema = "migration",
    string metadataPrefix = null)
```

## ServiceConfiguration.cs

**Status**: ✅ Fully updated
**Key Changes**:

- Added MetadataSchema and MetadataPrefix properties
- Updated constructor to accept new parameters
- Changed MetadataLocation to MetadataStorage

## TableNamingService.cs

**Status**: ✅ Fully updated  
**Key Changes**:

- Converted from static to injectable service
- Added ProcessSqlScript method for placeholder replacement
- Now receives ServiceConfiguration via constructor

**Key Methods**:

```csharp
public string GetTableName(string baseTableName)
public string GetSchemaName()
public string ProcessSqlScript(string sqlContent)
```

## SQL Scripts with Placeholders

**Status**: ✅ All updated

### SQL Server Scripts:

- `01.CreateMigrationSchema.sql`: Uses `{MetadataSchema}`
- `02.MigrationTables.sql`: Uses `{MetadataSchema}` and `{TablePrefix}`

### SQLite Scripts:

- `01.MigrationSignatureTable.sql`: Uses `{TablePrefix}`
- `02.MigratedVersionTable.sql`: Uses `{TablePrefix}`
- `03.MigratedScriptTable.sql`: Uses `{TablePrefix}`

## Entity Framework Configurations

**Status**: ✅ All simplified
**Key Changes**:

- Removed unnecessary if statements for schema handling
- All now use TableNamingService via constructor injection
- EF Core handles null schemas automatically

**Files Updated**:

- `MigrationSignatureConfiguration.cs`
- `MigratedVersionConfiguration.cs`
- `MigratedScriptConfiguration.cs`

## MigrationDbContext.cs

**Status**: ✅ Updated
**Key Changes**:

- Now receives TableNamingService via constructor
- Passes service to all configurations

## MigrationRepository.cs

**Status**: ✅ Updated  
**Key Changes**:

- Now uses TableNamingService for dynamic table names
- Updated MigrationTablesAreSet method with dynamic queries

## MetadataLocationService.cs

**Status**: ✅ Updated
**Key Changes**:

- Uses embedded scripts with placeholder processing
- Removed dynamic SQL generation methods
- Added TableNamingService dependency

## MigrationSignaturesService.cs

**Status**: ✅ Updated
**Key Changes**:

- Updated to use MetadataStorage instead of MetadataLocation
- XML file naming now supports metadataPrefix

## Constants Updated

**Status**: ✅ Updated

- `MetadataLocation.cs` renamed to `MetadataStorage.cs`
- `ManifestResources.cs` unchanged (still valid)
- `DatabaseType.cs` unchanged

## Files Removed

- `SqlScriptGeneratorService.cs` ❌ Deleted (no longer needed)

## Compilation Status

- ✅ Project builds successfully with `dotnet build`
- ✅ No compilation errors
- ⚠️ Minor warnings about lowercase type names (acceptable)

## Testing Status

- ❌ No unit tests exist yet
- ✅ Manual verification via successful compilation
- ✅ All refactoring paths verified