#ifndef SLIDE_COMBINE_C_H
#define SLIDE_COMBINE_C_H

#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <shlobj.h>
#include <commctrl.h>
#include <shlwapi.h>

// 版本信息
#define APP_VERSION "2.0.0"
#define MAX_PATH_LENGTH 1024
#define MAX_BUFFER_SIZE 4096
#define MAX_BOOKMARKS 1000
#define MAX_METADATA_FIELDS 50

// 错误代码 - 避免与Windows宏冲突
typedef enum {
    SLIDE_ERROR_NONE = 0,
    SLIDE_ERROR_FILE_NOT_FOUND,
    SLIDE_ERROR_INVALID_PATH,
    SLIDE_ERROR_MEMORY_ALLOCATION,
    SLIDE_ERROR_ENCODING_DETECTION,
    SLIDE_ERROR_FILE_READ,
    SLIDE_ERROR_FILE_WRITE
} ErrorCode;

// 元数据字段类型
typedef enum {
    FIELD_TITLE = 0,
    FIELD_OTHER_TITLES,
    FIELD_VOLUME,
    FIELD_ISBN,
    FIELD_CREATOR,
    FIELD_CONTRIBUTOR,
    FIELD_ISSUED_DATE,
    FIELD_PUBLISHER,
    FIELD_PLACE,
    FIELD_CLASSIFICATION_NUMBER,
    FIELD_PAGE,
    FIELD_SUBJECT,
    FIELD_DATE,
    FIELD_SPATIAL,
    FIELD_OTHER_ISBN,
    FIELD_OTHER_TIME,
    FIELD_URL,
    FIELD_COUNT
} FieldType;

// 字段名称映射
static const char* FIELD_NAMES[] = {
    "title",
    "Other titles",
    "Volume",
    "ISBN",
    "creator",
    "contributor",
    "issuedDate",
    "publisher",
    "place",
    "Classification number",
    "page",
    "subject",
    "date",
    "spatial",
    "Other ISBN",
    "Other time",
    "url"
};

// 书签项结构
typedef struct {
    char title[256];
    char page[32];
} BookmarkItem;

// 文档元数据结构
typedef struct {
    char fields[FIELD_COUNT][256];
    BookmarkItem bookmarks[MAX_BOOKMARKS];
    int bookmark_count;
} DocumentMetadata;

// 文件组结构
typedef struct {
    char base_name[256];
    char** files;
    int file_count;
    DocumentMetadata* metadata_docs;
    int metadata_count;
    char* output_content;
} FileGroup;

// 应用程序状态
typedef struct {
    HWND hwnd;
    char pdf_path[MAX_PATH_LENGTH];
    char txt_path[MAX_PATH_LENGTH];
    char output_path[MAX_PATH_LENGTH];
    HFONT hFont;
    HBRUSH hBgBrush;
    BOOL processing;
} AppState;

// 函数声明
ErrorCode extract_bookmarks_from_bkmk(const char* filename, BookmarkItem* bookmarks, int* count);
ErrorCode read_metadata_from_txt(const char* filename, DocumentMetadata* metadata);
ErrorCode create_output_content(DocumentMetadata* docs, int count, char** output);
ErrorCode save_content_to_file(const char* filename, const char* content);
ErrorCode detect_file_encoding(const char* filename, char* buffer, int buffer_size);
ErrorCode process_all_files(const char* pdf_path, const char* txt_path, FileGroup** groups, int* group_count);
ErrorCode merge_file_group(FileGroup* group, const char* txt_source_path);
ErrorCode save_all_results(FileGroup* groups, int group_count, const char* output_path);

// 排序函数
int compare_bkmk_files(const void* a, const void* b);
int extract_folder_number(const char* folder_name);

// 字符串处理函数
char* trim_whitespace(char* str);
char* utf8_to_local(const char* utf8_str);
char* local_to_utf8(const char* local_str);
int extract_number_from_string(const char* str);

// 界面函数
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
BOOL create_main_window(HINSTANCE hInstance, int nCmdShow);
void init_common_controls();
void center_window(HWND hwnd);
void browse_folder(HWND hwnd, char* path, const char* title);
void log_message(HWND hwnd, const char* message, BOOL is_error);
void start_processing(HWND hwnd);
void clear_paths(HWND hwnd);

// 辅助函数
void show_error(HWND hwnd, const char* message);
void show_info(HWND hwnd, const char* message);
BOOL is_valid_path(const char* path);
void free_memory(FileGroup* groups, int count);

// 资源ID定义
#define ID_BUTTON_BROWSE_PDF    1001
#define ID_BUTTON_BROWSE_TXT    1002
#define ID_BUTTON_BROWSE_OUTPUT 1003
#define ID_BUTTON_PROCESS       1004
#define ID_BUTTON_CLEAR         1005
#define ID_BUTTON_EXIT          1006
#define ID_EDIT_PDF_PATH        2001
#define ID_EDIT_TXT_PATH        2002
#define ID_EDIT_OUTPUT_PATH     2003
#define ID_LOG_TEXT             3001

// 窗口尺寸和位置
#define WINDOW_WIDTH 600
#define WINDOW_HEIGHT 500
#define CONTROL_HEIGHT 25
#define CONTROL_MARGIN 10

#endif // SLIDE_COMBINE_C_H