#pragma once
#include <cstdint>
#include <functional>
#include <map>
#include <optional>
#include <string>
#include <vector>
#include <windows.h>

namespace ks
{
struct Layout
{
    HKL handle{};
    std::wstring id, name, normal, shifted;
    bool convertible = true;
    int code(wchar_t ch) const;
    wchar_t at(int code) const;
    bool hasLetter(wchar_t ch) const;
};
bool letter(wchar_t ch);
std::wstring lower(std::wstring text);
std::wstring upper(std::wstring text);
std::wstring convert(const std::wstring &, const Layout &, const Layout &, bool force = false);
int detect(const std::wstring &, const std::vector<Layout> &, int preferred = -1);
std::wstring convertTo(const std::wstring &, const std::vector<Layout> &, int target, int hint);
int nextConversionLayout(const std::wstring &, const std::vector<Layout> &,
                         const std::vector<int> &cycle, int hint);
std::wstring cycleCase(const std::wstring &);
std::wstring transliterate(const std::wstring &);
struct Snippet
{
    std::wstring trigger, text;
    std::wstring id;
};
std::wstring snippetId(const Snippet &);
std::wstring newSnippetId();
struct Template
{
    std::wstring text, suffix;
    int cursors = 0;
    int enters = 0;
};
Template parseTemplate(const std::wstring &);
struct Hotkey
{
    UINT modifiers{}, key{};
    bool operator==(const Hotkey &) const = default;
    static std::optional<Hotkey> parse(std::wstring);
    std::wstring format() const;
};
struct Settings
{
    bool recent = true, switchLayout = true, history = true, autostart = false, awake = false;
    bool elevatedAutostart = false;
    bool autoCorrect = false;
    bool autoReplace = false, autoTypos = false;
    std::map<std::wstring, std::wstring> autoReplacements;
    bool writeLog = true;
    bool screenshotAutoOpenEditor = false;
    bool useTesseract = false;
    std::wstring tesseractPath;
    std::wstring tesseractLanguages = L"ukr+eng+rus";
    int autoMaxRank = 0;
    int autoMinLength = 3;
    std::wstring autoPrefixChars = L"([{«“‘\"";
    std::wstring autoSuffixChars = L")]}»”’\".,!?:;";
    std::vector<std::wstring> autoLanguages{L"en", L"uk"};
    std::vector<std::wstring> autoNever;
    std::map<std::wstring, std::vector<std::wstring>> autoWords;
    std::vector<std::wstring> autoExcluded{
        L"Code", L"rider64",  L"devenv", L"WindowsTerminal", L"cmd",       L"powershell", L"pwsh",
        L"Far",  L"ConEmu64", L"putty",  L"KeePass",         L"KeePassXC", L"1Password",  L"Bitwarden"};
    int maxItems = 500, maxMiB = 200, maxImageMiB = 20;
    std::wstring toggle = L"Ctrl+Alt+Shift+Space", casing = L"Ctrl+Alt+Shift+C",
                 translit = L"Ctrl+Alt+Shift+T", undo = L"Ctrl+Alt+Shift+Z", clipboard = L"Win+V",
                 screenshot = L"Win+Shift+S";
    std::vector<std::wstring> cycle, direct, directIds;
    std::vector<std::wstring> excluded{L"KeePass", L"KeePassXC", L"1Password", L"Bitwarden"};
    std::vector<Snippet> snippets;
    std::vector<std::wstring> snippetTombstones;
};
// Consume repeats and key-up for intercepted chords, even if settings change.
struct HotkeyHook
{
    bool pressed[256]{};
    // 0: pass through, -1: consume only, positive: dispatch that action once.
    int update(UINT key, bool down, UINT modifiers, const std::vector<std::pair<int, Hotkey>> &bindings);
};
std::string utf8(const std::wstring &);
std::wstring wide(const std::string &);
struct Run
{
    HWND window{};
    HKL layout{};
    ULONGLONG at{};
    std::wstring keys;
    bool overflow{};
    void reset();
    void record(wchar_t, HWND, HKL, ULONGLONG);
    void backspace(HWND, ULONGLONG);
    int match(const std::wstring &, const std::vector<Layout> &, const Layout &physical) const;
    int matchSuffix(const std::wstring &, const std::vector<Layout> &, const Layout &physical) const;
};
} // namespace ks