#pragma once

#define FILE_NAME_MAX 512
#define FILE_PATH_MAX 512

typedef struct linked_list_s linked_list;
typedef struct list_item_s list_item;
typedef struct ui_view_s ui_view;

typedef struct meta_info_s {
    char shortDescription[0x100];
    char longDescription[0x200];
    char publisher[0x100];
    u32 region;
    u32 texture;
} meta_info;

typedef struct title_info_s {
    FS_MediaType mediaType;
    u64 titleId;
    char productCode[0x10];
    u16 version;
    u64 installedSize;
    bool twl;
    bool hasMeta;
    meta_info meta;
} title_info;

typedef struct pending_title_info_s {
    FS_MediaType mediaType;
    u64 titleId;
    u16 version;
} pending_title_info;

typedef struct ticket_info_s {
    u64 titleId;
    bool inUse;
} ticket_info;

typedef struct ext_save_data_info_s {
    FS_MediaType mediaType;
    u64 extSaveDataId;
    bool shared;
    bool hasMeta;
    meta_info meta;
} ext_save_data_info;

typedef struct system_save_data_info_s {
    u32 systemSaveDataId;
} system_save_data_info;

typedef struct cia_info_s {
    u64 titleId;
    u16 version;
    u64 installedSize;
    bool hasMeta;
    meta_info meta;
} cia_info;

typedef struct file_info_s {
    FS_Archive archive;
    char name[FILE_NAME_MAX];
    char path[FILE_PATH_MAX];
    u32 attributes;

    // Files only
    u64 size;
    bool isCia;
    cia_info ciaInfo;
    bool isTicket;
    ticket_info ticketInfo;
} file_info;

typedef enum titledb_type_e {
    TITLEDB_TYPE_CIA,
    TITLEDB_TYPE_3DSX
} titledb_type;

typedef struct titledb_info_s {
    titledb_type type;
    u32 id;
    u64 titleId;
    u16 installedVersion;
    u64 size;
    char updatedAt[32];
    bool installed;
    meta_info meta;
} titledb_info;

typedef enum capture_cam_camera_e {
    CAMERA_OUTER,
    CAMERA_INNER
} capture_cam_camera;

typedef struct capture_cam_data_s {
    u16* buffer;
    s16 width;
    s16 height;
    capture_cam_camera camera;

    Handle mutex;

    volatile bool finished;
    Result result;
    Handle cancelEvent;
} capture_cam_data;

typedef enum data_op_e {
    DATAOP_COPY,
    DATAOP_DELETE
} data_op;

typedef struct data_op_data_s {
    void* data;

    data_op op;

    // Copy
    u32 copyBufferSize;
    bool copyEmpty;

    u32 copyBytesPerSecond;
    u32 estimatedRemainingSeconds;

    u32 processed;
    u32 total;

    u64 currProcessed;
    u64 currTotal;

    Result (*isSrcDirectory)(void* data, u32 index, bool* isDirectory);
    Result (*makeDstDirectory)(void* data, u32 index);

    Result (*openSrc)(void* data, u32 index, u32* handle);
    Result (*closeSrc)(void* data, u32 index, bool succeeded, u32 handle);

    Result (*getSrcSize)(void* data, u32 handle, u64* size);
    Result (*readSrc)(void* data, u32 handle, u32* bytesRead, void* buffer, u64 offset, u32 size);

    Result (*openDst)(void* data, u32 index, void* initialReadBlock, u64 size, u32* handle);
    Result (*closeDst)(void* data, u32 index, bool succeeded, u32 handle);

    Result (*writeDst)(void* data, u32 handle, u32* bytesWritten, void* buffer, u64 offset, u32 size);

    Result (*suspendCopy)(void* data, u32 index, u32* srcHandle, u32* dstHandle);
    Result (*restoreCopy)(void* data, u32 index, u32* srcHandle, u32* dstHandle);

    // Delete
    Result (*delete)(void* data, u32 index);

    // Suspend
    Result (*suspend)(void* data, u32 index);
    Result (*restore)(void* data, u32 index);

    // Errors
    bool (*error)(void* data, u32 index, Result res, ui_view** errorView);

    // General
    volatile bool finished;
    Result result;
    Handle cancelEvent;

    // Internal
    volatile bool retryResponse;
} data_op_data;

typedef struct populate_ext_save_data_data_s {
    linked_list* items;

    void* userData;
    bool (*filter)(void* data, u64 extSaveDataId, FS_MediaType mediaType);
    int (*compare)(void* data, const void* p1, const void* p2);

    volatile bool finished;
    Result result;
    Handle cancelEvent;
} populate_ext_save_data_data;

typedef struct populate_files_data_s {
    linked_list* items;

    FS_Archive archive;
    char path[FILE_PATH_MAX];

    bool recursive;
    bool includeBase;

    bool (*filter)(void* data, const char* name, u32 attributes);
    void* filterData;

    volatile bool finished;
    Result result;
    Handle cancelEvent;
} populate_files_data;

typedef struct populate_pending_titles_data_s {
    linked_list* items;

    volatile bool finished;
    Result result;
    Handle cancelEvent;
} populate_pending_titles_data;

typedef struct populate_system_save_data_data_s {
    linked_list* items;

    volatile bool finished;
    Result result;
    Handle cancelEvent;
} populate_system_save_data_data;

typedef struct populate_tickets_data_s {
    linked_list* items;

    volatile bool finished;
    Result result;
    Handle cancelEvent;
} populate_tickets_data;

typedef struct populate_titles_data_s {
    linked_list* items;

    void* userData;
    bool (*filter)(void* data, u64 titleId, FS_MediaType mediaType);
    int (*compare)(void* data, const void* p1, const void* p2);

    volatile bool finished;
    Result result;
    Handle cancelEvent;
} populate_titles_data;

typedef struct populate_titledb_data_s {
    linked_list* items;
    titledb_type type;

    volatile bool itemsListed;
    volatile bool finished;
    Result result;
    Handle cancelEvent;
} populate_titledb_data;

void task_init();
void task_exit();
bool task_is_quit_all();
Handle task_get_pause_event();
Handle task_get_suspend_event();

Result task_capture_cam(capture_cam_data* data);

Result task_data_op(data_op_data* data);

void task_free_ext_save_data(list_item* item);
void task_clear_ext_save_data(linked_list* items);
Result task_populate_ext_save_data(populate_ext_save_data_data* data);

void task_free_file(list_item* item);
void task_clear_files(linked_list* items);
Result task_create_file_item(list_item** out, FS_Archive archive, const char* path, u32 attributes);
Result task_populate_files(populate_files_data* data);

void task_free_pending_title(list_item* item);
void task_clear_pending_titles(linked_list* items);
Result task_populate_pending_titles(populate_pending_titles_data* data);

void task_free_system_save_data(list_item* item);
void task_clear_system_save_data(linked_list* items);
Result task_populate_system_save_data(populate_system_save_data_data* data);

void task_populate_tickets_update_use(list_item* item);
void task_free_ticket(list_item* item);
void task_clear_tickets(linked_list* items);
Result task_populate_tickets(populate_tickets_data* data);

void task_free_title(list_item* item);
void task_clear_titles(linked_list* items);
Result task_populate_titles(populate_titles_data* data);

void task_populate_titledb_update_status(list_item* item);
void task_free_titledb(list_item* item);
void task_clear_titledb(linked_list* items);
Result task_populate_titledb(populate_titledb_data* data);