// SPDX-FileCopyrightText: 2025 The Project Pterodactyl Developers
//
// SPDX-License-Identifier: MPL-2.0

import Foundation
import llbuild2fx
import PterodactylSyntax

extension Keys.Blob {
	struct ParseImports: BuildKey {
		let blobId: LLBDataID
		
		typealias ValueType = [UnitName]
		
		static let versionDependencies: [any FXVersioning.Type] = [ReadContents.self]

		func computeValue(_ ctx: BuildContext<Self>) async throws -> [UnitName] {
			let code = try await ctx.request(ReadContents(blobId: blobId))
			var importParser = ImportParser(input: code)
			importParser.parseHeader()
			
			return importParser.imports.map { name in
				UnitName(basename: name)
			}
		}
	}
}