#pragma once
#include <vector>
#include "PackageSpec.h"
#include "StatusParagraphs.h"
#include "vcpkg_paths.h"
#include "vcpkg_optional.h"

namespace vcpkg::Dependencies
{
    enum class RequestType
    {
        UNKNOWN,
        USER_REQUESTED,
        AUTO_SELECTED
    };

    enum class InstallPlanType
    {
        UNKNOWN,
        BUILD_AND_INSTALL,
        INSTALL,
        ALREADY_INSTALLED
    };

    struct InstallPlanAction
    {
        InstallPlanAction();
        InstallPlanAction(const InstallPlanType& plan_type, optional<BinaryParagraph> binary_pgh, optional<SourceParagraph> source_pgh);
        InstallPlanAction(const InstallPlanAction&) = delete;
        InstallPlanAction(InstallPlanAction&&) = default;
        InstallPlanAction& operator=(const InstallPlanAction&) = delete;
        InstallPlanAction& operator=(InstallPlanAction&&) = default;

        InstallPlanType plan_type;
        optional<BinaryParagraph> binary_pgh;
        optional<SourceParagraph> source_pgh;
    };

    struct PackageSpecWithInstallPlan
    {
        PackageSpecWithInstallPlan(const PackageSpec& spec, InstallPlanAction&& plan);

        PackageSpec spec;
        InstallPlanAction plan;
    };

    enum class remove_plan_type
    {
        UNKNOWN,
        NOT_INSTALLED,
        REMOVE
    };

    struct remove_plan_action
    {
        remove_plan_action();
        remove_plan_action(const remove_plan_type& plan_type, const RequestType& request_type);
        remove_plan_action(const remove_plan_action&) = delete;
        remove_plan_action(remove_plan_action&&) = default;
        remove_plan_action& operator=(const remove_plan_action&) = delete;
        remove_plan_action& operator=(remove_plan_action&&) = default;


        remove_plan_type plan_type;
        RequestType request_type;
    };

    struct package_spec_with_remove_plan
    {
        package_spec_with_remove_plan(const PackageSpec& spec, remove_plan_action&& plan);

        PackageSpec spec;
        remove_plan_action plan;
    };

    std::vector<PackageSpecWithInstallPlan> create_install_plan(const vcpkg_paths& paths, const std::vector<PackageSpec>& specs, const StatusParagraphs& status_db);

    std::vector<package_spec_with_remove_plan> create_remove_plan(const std::vector<PackageSpec>& specs, const StatusParagraphs& status_db);
}