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#ifndef QBS_PARSER_COMMAND_H
#define QBS_PARSER_COMMAND_H

#include "commandlineoption.h"
#include "commandtype.h"

#include <set>

namespace qbs {
class CommandLineOptionPool;

class Command
{
public:
    virtual ~Command();

    virtual CommandType type() const = 0;
    virtual QString shortDescription() const = 0;
    virtual QString longDescription() const = 0;
    virtual QString representation() const = 0;

    void parse(QStringList &input);
    QStringList additionalArguments() const { return m_additionalArguments; }
    bool canResolve() const;

protected:
    Command(CommandLineOptionPool &optionPool) : m_optionPool(optionPool) {}

    const CommandLineOptionPool &optionPool() const { return m_optionPool; }
    QString supportedOptionsDescription() const;
    [[noreturn]] void throwError(const QString &reason);

    virtual void parseNext(QStringList &input);

private:
    QList<CommandLineOption::Type> actualSupportedOptions() const;
    void parseOption(QStringList &input);
    void parsePropertyAssignment(const QString &argument);

    virtual QList<CommandLineOption::Type> supportedOptions() const = 0;

    QStringList m_additionalArguments;
    std::set<CommandLineOption *> m_usedOptions;
    const CommandLineOptionPool &m_optionPool;
};

class ResolveCommand : public Command
{
public:
    ResolveCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return ResolveCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class GenerateCommand : public Command
{
public:
    GenerateCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return GenerateCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class BuildCommand : public Command
{
public:
    BuildCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return BuildCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class CleanCommand : public Command
{
public:
    CleanCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return CleanCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class InstallCommand : public Command
{
public:
    InstallCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return InstallCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class RunCommand : public Command
{
public:
    RunCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}
    QStringList targetParameters() const { return m_targetParameters; }

private:
    CommandType type() const override { return RunCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
    void parseNext(QStringList &input) override;

    QStringList m_targetParameters;
};

class ShellCommand : public Command
{
public:
    ShellCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return ShellCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

// TODO: It seems wrong that a configuration has to be given here. Ideally, this command would just track *all* files regardless of conditions. Is that possible?
class StatusCommand : public Command
{
public:
    StatusCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return StatusCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class UpdateTimestampsCommand : public Command
{
public:
    UpdateTimestampsCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return UpdateTimestampsCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class DumpNodesTreeCommand : public Command
{
public:
    DumpNodesTreeCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override{ return DumpNodesTreeCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class ListProductsCommand : public Command
{
public:
    ListProductsCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return ListProductsCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
};

class HelpCommand : public Command
{
public:
    HelpCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}
    QString commandToDescribe() const { return m_command; }

private:
    CommandType type() const override { return HelpCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
    void parseNext(QStringList &input) override;

    QString m_command;
};

class VersionCommand : public Command
{
public:
    VersionCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return VersionCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override;
    void parseNext(QStringList &input) override;
};

class SessionCommand : public Command
{
public:
    SessionCommand(CommandLineOptionPool &optionPool) : Command(optionPool) {}

private:
    CommandType type() const override { return SessionCommandType; }
    QString shortDescription() const override;
    QString longDescription() const override;
    QString representation() const override;
    QList<CommandLineOption::Type> supportedOptions() const override { return {}; }
    void parseNext(QStringList &input) override;
};

} // namespace qbs

#endif // QBS_PARSER_COMMAND_H