#pragma once

// TODO: Find a way to get rid of this?
#ifndef FILE_NAME_MAX
#define FILE_NAME_MAX 512
#define FILE_PATH_MAX 512
#endif

#define DOWNLOAD_URL_MAX 1024

typedef struct json_t json_t;

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 struct titledb_cia_info_s {
    bool exists;

    u32 id;
    char updatedAt[32];
    char version[32];
    u64 size;
    u64 titleId;

    bool installed;
    u16 installedVersion;
} titledb_cia_info;

typedef struct titledb_smdh_info_s {
    bool exists;

    u32 id;
} titledb_smdh_info;

typedef struct titledb_tdsx_info_s {
    bool exists;

    u32 id;
    char updatedAt[32];
    char version[32];
    u64 size;
    titledb_smdh_info smdh;

    bool installed;
} titledb_tdsx_info;

typedef struct titledb_info_s {
    u32 id;
    char category[64];
    char headline[512];
    titledb_cia_info cia;
    titledb_tdsx_info tdsx;

    meta_info meta;
} titledb_info;

typedef enum data_op_e {
    DATAOP_COPY,
    DATAOP_DOWNLOAD,
    DATAOP_DELETE
} data_op;

typedef struct data_op_data_s {
    void* data;

    data_op op;

    u32 processed;
    u32 total;

    // Copy
    bool copyEmpty;

    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);

    // Download
    char (*downloadUrls)[DOWNLOAD_URL_MAX];

    // Copy/Download
    u64 currProcessed;
    u64 currTotal;

    u32 bytesPerSecond;
    u32 estimatedRemainingSeconds;

    u32 bufferSize;

    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 (*suspendTransfer)(void* data, u32 index, u32* srcHandle, u32* dstHandle);
    Result (*restoreTransfer)(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;

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

Result task_download_sync(const char* url, u32* downloadedSize, void* buf, size_t size);
Result task_download_json_sync(const char* url, json_t** json, size_t maxSize);
Result task_download_seed_sync(u64 titleId);
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);

int task_compare_files(void* userData, const void* p1, const void* p2);
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);