#pragma once

#include <cstdint>
#include <string_view>

namespace xicu {

class PropTable {
public:
    PropTable() = default;
    explicit PropTable(const char* path);
    ~PropTable();

    PropTable(const PropTable&) = delete;
    PropTable& operator=(const PropTable&) = delete;
    PropTable(PropTable&& other) noexcept;
    PropTable& operator=(PropTable&& other) noexcept;

    bool load(const char* path);
    bool isLoaded() const { return data_ != nullptr; }
    std::string_view getName(uint32_t cp) const;
    bool getPunctuation(uint32_t cp) const;
    bool getLetter(uint32_t cp) const;
    int32_t getUppercase_map(uint32_t cp) const;
    int32_t getLowercase_map(uint32_t cp) const;
    bool getWhitespace(uint32_t cp) const;
    bool getSpace(uint32_t cp) const;
    bool getDecimal(uint32_t cp) const;
    int32_t getDecimal_val(uint32_t cp) const;

private:
    const uint8_t* data_ = nullptr;
    size_t data_size_ = 0;
    bool owns_data_ = false;

    static uint32_t readVarint(const uint8_t*& ptr);
    const uint8_t* findFieldData(const char* name, uint8_t& out_type, uint8_t& out_strat) const;
    const uint8_t* findStringField(const char* name) const;

    // Decoders
    bool decodeBitmap(const uint8_t* data, uint32_t cp) const;
    bool decodeDeltaRangesBool(const uint8_t* data, const uint8_t* data_end, uint32_t cp) const;
    int32_t decodeDeltaRangesInt(const uint8_t* data, const uint8_t* data_end, uint32_t cp) const;
    bool decodeSparseMapBool(const uint8_t* data, const uint8_t* data_end, uint32_t cp) const;
    int32_t decodeSparseMapInt(const uint8_t* data, const uint8_t* data_end, uint32_t cp) const;
};

inline std::string_view getName(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getName(cp);
}
inline bool isPunctuation(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getPunctuation(cp);
}
inline bool isLetter(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getLetter(cp);
}
inline int32_t getUppercase_map(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getUppercase_map(cp);
}
inline int32_t getLowercase_map(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getLowercase_map(cp);
}
inline bool isWhitespace(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getWhitespace(cp);
}
inline bool isSpace(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getSpace(cp);
}
inline bool isDecimal(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getDecimal(cp);
}
inline int32_t getDecimal_val(uint32_t cp) {
    static PropTable table("../out/xicu.bin");
    return table.getDecimal_val(cp);
}

} // namespace xicu