//
//  StaticAnalyser.cpp
//  Clock Signal
//
//  Created by Thomas Harte on 04/06/2017.
//  Copyright © 2017 Thomas Harte. All rights reserved.
//

#include "StaticAnalyser.hpp"

#include <string>
#include <vector>

#include "../../Storage/Tape/Parsers/ZX8081.hpp"

static std::vector<Storage::Data::ZX8081::File> GetFiles(const std::shared_ptr<Storage::Tape::Tape> &tape) {
	std::vector<Storage::Data::ZX8081::File> files;
	Storage::Tape::ZX8081::Parser parser;

	while(!tape->is_at_end()) {
		std::shared_ptr<Storage::Data::ZX8081::File> next_file = parser.get_next_file(tape);
		if(next_file != nullptr) {
			files.push_back(*next_file);
		}
	}

	return files;
}

void StaticAnalyser::ZX8081::AddTargets(const Media &media, std::list<Target> &destination, TargetPlatform::IntType potential_platforms) {
	if(!media.tapes.empty()) {
		std::vector<Storage::Data::ZX8081::File> files = GetFiles(media.tapes.front());
		media.tapes.front()->reset();
		if(!files.empty()) {
			StaticAnalyser::Target target;
			target.machine = Target::ZX8081;

			// Guess the machine type from the file only if it isn't already known.
			switch(potential_platforms & (TargetPlatform::ZX80 | TargetPlatform::ZX81)) {
				default:
					target.zx8081.isZX81 = files.front().isZX81;
				break;

				case TargetPlatform::ZX80:	target.zx8081.isZX81 = false;	break;
				case TargetPlatform::ZX81:	target.zx8081.isZX81 = true;	break;
			}

			/*if(files.front().data.size() > 16384) {
				target.zx8081.memory_model = ZX8081MemoryModel::SixtyFourKB;
			} else*/ if(files.front().data.size() > 1024) {
				target.zx8081.memory_model = ZX8081MemoryModel::SixteenKB;
			} else {
				target.zx8081.memory_model = ZX8081MemoryModel::Unexpanded;
			}
			target.media.tapes = media.tapes;

			// TODO: how to run software once loaded? Might require a BASIC detokeniser.
			if(target.zx8081.isZX81) {
				target.loadingCommand = "J\"\"\n";
			} else {
				target.loadingCommand = "W\n";
			}

			destination.push_back(target);
		}
	}
}