// Copyright (c) 2024 Robin Davies
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#pragma once

#include "json.hpp"

namespace pipedal {
    class UpdateStatus;

    enum class UpdatePolicyT
    {
        // ordinal values must not change, as files depend on them.
        // must match declaration in Updater.tsx

        ReleaseOnly = 0,
        ReleaseOrBeta = 1,
        Development = 2,
        Disabled = 3

    };
    class UpdateRelease
    {
    private:
        friend class UpdaterImpl;
        friend class UpdateStatus;
        bool updateAvailable_ = false;
        std::string upgradeVersion_;            // just the version.
        std::string upgradeVersionDisplayName_; // display name for the version.
        std::string assetName_;                 // filename only
        std::string updateUrl_;                 // url from which to download the .deb file.
        std::string gpgSignatureUrl_;                 // url from which to download the .deb.asc file.
        void UpdateForCurrentVersion(const std::string&currentVersion);
    public:

        bool UpdateAvailable() const { return updateAvailable_; }
        const std::string &UpgradeVersion() const { return upgradeVersion_; }
        const std::string &UpgradeVersionDisplayName() const { return upgradeVersionDisplayName_; }
        const std::string &AssetName() const { return assetName_; }
        const std::string &UpdateUrl() const { return updateUrl_; }
        const std::string &GpgSignatureUrl() const { return gpgSignatureUrl_;}
        bool operator==(const UpdateRelease &other) const;
        DECLARE_JSON_MAP(UpdateRelease);
    };

    class UpdateStatus
    {
    private:
        friend class UpdaterImpl;
        std::chrono::system_clock::time_point::rep lastUpdateTime_ = 0;

        bool isValid_ = false;
        std::string errorMessage_;
        bool isOnline_ = false;
        std::string currentVersion_;
        std::string currentVersionDisplayName_;

        int32_t updatePolicy_ = (int32_t)(UpdatePolicyT::ReleaseOrBeta);
        UpdateRelease releaseOnlyRelease_;
        UpdateRelease releaseOrBetaRelease_;
        UpdateRelease devRelease_;

    public:
        UpdateStatus();
        std::chrono::system_clock::time_point LastUpdateTime() const;
        void LastUpdateTime(const std::chrono::system_clock::time_point &timePoint);


        void UpdateForCurrentVersion();
        bool IsValid() const { return isValid_; }

        bool UpdateAvailable() const;

        const std::string &ErrorMessage() const { return errorMessage_; }
        bool IsOnline() const { return isOnline_; }
        const std::string &CurrentVersion() const { return currentVersion_; }
        const std::string &CurrentDisplayVersion() const { return currentVersionDisplayName_; }
        UpdatePolicyT UpdatePolicy() const { return (UpdatePolicyT)updatePolicy_; }
        void UpdatePolicy(UpdatePolicyT updatePreference) { this->updatePolicy_ = (int32_t)updatePreference; }

        const UpdateRelease &ReleaseOnlyRelease() const { return releaseOnlyRelease_; }
        const UpdateRelease &ReleaseOrBetaRelease() const { return releaseOrBetaRelease_; }
        const UpdateRelease &DevRelease() const { return devRelease_; }
        bool operator==(const UpdateStatus &other) const;

        void AddRelease(const std::string&packageName); // Release Generator ONLY
        
        DECLARE_JSON_MAP(UpdateStatus);
    };

}