#pragma once
#include <QString>
#include <QPair>
#include <QList>
#include <QStringList>
#include <QMap>
#include <QDir>
#include <QUrl>
#include <memory>

#include "minecraft/OneSixRule.h"
#include "minecraft/OpSys.h"
#include "GradleSpecifier.h"
#include "net/URLConstants.h"

class RawLibrary;
typedef std::shared_ptr<RawLibrary> RawLibraryPtr;

class RawLibrary
{
	friend class OneSixLibrary;
public: /* methods */
	/// read and create a basic library
	static RawLibraryPtr fromJson(const QJsonObject &libObj, const QString &filename);

	/// read and create a MultiMC '+' library. Those have some extra fields.
	static RawLibraryPtr fromJsonPlus(const QJsonObject &libObj, const QString &filename);

	/// Convert the library back to an JSON object
	QJsonObject toJson() const;

	/// Returns the raw name field
	const GradleSpecifier & rawName() const
	{
		return m_name;
	}

	void setRawName(const GradleSpecifier & spec)
	{
		m_name = spec;
	}

	void setClassifier(const QString & spec)
	{
		m_name.setClassifier(spec);
	}

	/// returns the full group and artifact prefix
	QString artifactPrefix() const
	{
		return m_name.artifactPrefix();
	}

	/// get the artifact ID
	QString artifactId() const
	{
		return m_name.artifactId();
	}

	/// get the artifact version
	QString version() const
	{
		return m_name.version();
	}

	/// Returns true if the library is native
	bool isNative() const
	{
		return m_native_classifiers.size() != 0;
	}

	void setStoragePrefix(QString prefix = QString());

	/// the default storage prefix used by MultiMC
	static QString defaultStoragePrefix();

	bool storagePathIsDefault() const;

	/// Get the prefix - root of the storage to be used
	QString storagePrefix() const;

	/// Get the relative path where the library should be saved
	QString storageSuffix() const;

	/// Get the absolute path where the library should be saved
	QString storagePath() const;

	/// Set the url base for downloads
	void setBaseUrl(const QUrl &base_url)
	{
		m_base_url = base_url;
	}

	/// List of files this library describes. Required because of platform-specificness of native libs
	QStringList files() const;

	/// List Shortcut for checking if all the above files exist
	bool filesExist(const QDir &base) const;

	void setAbsoluteUrl(const QString &absolute_url)
	{
		m_absolute_url = absolute_url;
	}

	QString absoluteUrl() const
	{
		return m_absolute_url;
	}

	void setHint(const QString &hint)
	{
		m_hint = hint;
	}

	QString hint() const
	{
		return m_hint;
	}

	/// Set the load rules
	void setRules(QList<std::shared_ptr<Rule>> rules)
	{
		m_rules = rules;
	}

	/// Returns true if the library should be loaded (or extracted, in case of natives)
	bool isActive() const;

	/// Get the URL to download the library from
	QUrl url() const;

protected: /* data */
	/// the basic gradle dependency specifier.
	GradleSpecifier m_name;
	/// where to store the lib locally
	QString m_storage_path;
	/// is this lib actually active on the current OS?
	bool m_is_active = false;


public: /* data */
	// TODO: make all of these protected, clean up semantics of implicit vs. explicit values.
	/// URL where the file can be downloaded
	QUrl m_base_url;

	/// DEPRECATED: absolute URL. takes precedence the normal download URL, if defined
	QString m_absolute_url;

	/// type hint - modifies how the library is treated
	QString m_hint;

	/// storage - by default the local libraries folder in multimc, but could be elsewhere
	QString m_storagePrefix;

	/// true if the library had an extract/excludes section (even empty)
	bool applyExcludes = false;

	/// a list of files that shouldn't be extracted from the library
	QStringList extract_excludes;

	/// native suffixes per OS
	QMap<OpSys, QString> m_native_classifiers;

	/// true if the library had a rules section (even empty)
	bool applyRules = false;

	/// rules associated with the library
	QList<std::shared_ptr<Rule>> m_rules;

	/// used for '+' libraries, determines how to add them
	enum InsertType
	{
		Apply,
		Append,
		Prepend,
		Replace
	} insertType = Append;
	QString insertData;

	/// determines how can libraries be applied. conflicting dependencies cause errors.
	enum DependType
	{
		Soft, //! needs equal or newer version
		Hard  //! needs equal version (different versions mean version conflict)
	} dependType = Soft;
};