#pragma once

#include <memory>
#include <mutex>
#include <string>
#include <vector>

#include "dialog_model.h"
#include "key_event.h"
#include "list_model.h"
#include "release_info.h"
#include "services/storage_service.h"
#include "services/update_service.h"
#include "services/wifi_service.h"
#include "ui/canvas.h"
#include "ui/theme.h"

namespace roro {

// Settings → Firmware: the running version and its Probation, where to push Firmware Updates, the
// project's releases on Gitea (the latest, and the ten before it), and the Update Files on the SD
// card (in /updates) to install from.
class FirmwarePage {
   public:
    FirmwarePage(UpdateService& update, WifiService& wifi, StorageService& storage)
        : update_(update), wifi_(wifi), storage_(storage) {}

    void enter();
    bool onKey(const KeyEvent& e);  // false: leave the page
    void draw(Canvas& c);

   private:
    enum Row { kVersion, kStatus, kAddress, kLatest, kOlder, kSdHeader, kFixed };
    enum class View { Main, Release, Older };
    enum class Ask { None, SdFile, Release };

    std::vector<std::string> files();
    std::string latestText(bool& warn) const;
    void openRelease(const release::Release& r);
    bool installable(std::string& why) const;  // the shown release: can it be installed from here?
    void drawMain(Canvas& c);
    void drawRelease(Canvas& c);
    void drawOlder(Canvas& c);
    void say(const std::string& text);

    UpdateService& update_;
    WifiService& wifi_;
    StorageService& storage_;
    ListModel list_{theme::kContent.h / theme::kLineHeight};
    ListModel older_{(theme::kContent.h - 11) / theme::kLineHeight};  // above the hint line
    std::unique_ptr<DialogModel> confirm_;
    Ask ask_ = Ask::None;

    View view_ = View::Main;
    release::Release shown_;  // the release page
    std::vector<release::Release> olderReleases_;
    uint32_t olderSeq_ = 0;
    int shownTop_ = 0;
    std::string message_;
    uint32_t messageMs_ = 0;

    // Filled on the storage task.
    std::mutex lock_;
    std::vector<std::string> files_;
    bool listed_ = false;
};

}  // namespace roro