# Reference to a file for the PBX format of a project file
#
# TODO create subclasses for different file types, this is currently for
# compilable source files only.
class PbxFile

	# Path to `self`
	var path: String

	# Compiler flags for this source file
	var cflags: String = "" is writable

	# UUID for build elements
	private var build_uuid: String = sys.pbx_uuid_generator.next_uuid is lazy

	# File reference UUID
	private var ref_uuid: String = sys.pbx_uuid_generator.next_uuid is lazy

	# Documentation to add besides this file in the template
	private fun doc: String do return path

	# PBX file type for `self`
	fun file_type: String
	do
		var map = sys.pbx_file_types
		var ext = path.file_extension
		if ext != null and map.keys.has(ext) then return map[ext]
		return "unknown"
	end

	# PBX description of this file
	private fun description: Writable
	do
		var extra = ""
		var cflags = cflags
		if not cflags.is_empty then extra = "\nsettings = \{COMPILER_FLAGS = \"{cflags}\"; \};"

		return """
		{{{ref_uuid}}} /* {{{doc}}} */ = {
			isa = PBXFileReference;
			fileEncoding = 4;
			lastKnownFileType = {{{file_type}}};
			path = '{{{path}}}';
			sourceTree = "<group>";{{{extra}}}
			};
"""
	end

	private fun add_to_project(project: PbxprojectTemplate)
	do
		project.source_files.add self
		project.files.add self
	end
end