Momentum-Apps/web_crawler_storage.h

#ifndef WEB_CRAWLER_STORAGE_H
#define WEB_CRAWLER_STORAGE_H

#include <furi.h>
#include <storage/storage.h>

#define SETTINGS_PATH STORAGE_EXT_PATH_PREFIX "/apps_data/" http_tag "/settings.bin"
#define RECEIVED_DATA_PATH STORAGE_EXT_PATH_PREFIX "/apps_data/" http_tag "/" // add the file name to the end (e.g. "received_data.txt")

// will need to make a duplicate of the file
// one to save data, and the other for users to manipulate

#define MAX_RECEIVED_DATA_SIZE 1024
#define SHOW_MAX_FILE_SIZE 2048

// Define the truncation notice
#define TRUNCATION_NOTICE "\n\n[Data truncated due to size limits]"

// Function to save settings: path, SSID, and password
static void save_settings(const char *path, const char *ssid, const char *password, const char *file_rename, const char *file_type)
{
    // Create the directory for saving settings
    char directory_path[256];
    snprintf(directory_path, sizeof(directory_path), STORAGE_EXT_PATH_PREFIX "/apps_data/web_crawler_app");

    // Create the directory
    Storage *storage = furi_record_open(RECORD_STORAGE);
    storage_common_mkdir(storage, directory_path);

    // Open the settings file
    File *file = storage_file_alloc(storage);
    if (!storage_file_open(file, SETTINGS_PATH, FSAM_WRITE, FSOM_CREATE_ALWAYS))
    {
        FURI_LOG_E(TAG, "Failed to open settings file for writing: %s", SETTINGS_PATH);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return;
    }

    if (file_type == NULL || strlen(file_type) == 0)
    {
        file_type = ".txt";
    }

    // Save the path length and data
    size_t path_length = strlen(path) + 1; // Include null terminator
    if (storage_file_write(file, &path_length, sizeof(size_t)) != sizeof(size_t) ||
        storage_file_write(file, path, path_length) != path_length)
    {
        FURI_LOG_E(TAG, "Failed to write path");
    }

    // Save the SSID length and data
    size_t ssid_length = strlen(ssid) + 1; // Include null terminator
    if (storage_file_write(file, &ssid_length, sizeof(size_t)) != sizeof(size_t) ||
        storage_file_write(file, ssid, ssid_length) != ssid_length)
    {
        FURI_LOG_E(TAG, "Failed to write SSID");
    }

    // Save the password length and data
    size_t password_length = strlen(password) + 1; // Include null terminator
    if (storage_file_write(file, &password_length, sizeof(size_t)) != sizeof(size_t) ||
        storage_file_write(file, password, password_length) != password_length)
    {
        FURI_LOG_E(TAG, "Failed to write password");
    }

    // Save the file rename length and data
    size_t file_rename_length = strlen(file_rename) + 1; // Include null terminator
    if (storage_file_write(file, &file_rename_length, sizeof(size_t)) != sizeof(size_t) ||
        storage_file_write(file, file_rename, file_rename_length) != file_rename_length)
    {
        FURI_LOG_E(TAG, "Failed to write file rename");
    }

    // Save the file type length and data
    size_t file_type_length = strlen(file_type) + 1; // Include null terminator
    if (storage_file_write(file, &file_type_length, sizeof(size_t)) != sizeof(size_t) ||
        storage_file_write(file, file_type, file_type_length) != file_type_length)
    {
        FURI_LOG_E(TAG, "Failed to write file type");
    }

    storage_file_close(file);
    storage_file_free(file);
    furi_record_close(RECORD_STORAGE);
}

// Function to load settings: path, SSID, and password
static bool load_settings(
    char *path,
    size_t path_size,
    char *ssid,
    size_t ssid_size,
    char *password,
    size_t password_size,
    char *file_rename,
    size_t file_rename_size,
    char *file_type,
    size_t file_type_size,
    WebCrawlerApp *app)
{
    if (!app)
    {
        FURI_LOG_E(TAG, "WebCrawlerApp is NULL");
        return false;
    }
    Storage *storage = furi_record_open(RECORD_STORAGE);
    File *file = storage_file_alloc(storage);

    if (!storage_file_open(file, SETTINGS_PATH, FSAM_READ, FSOM_OPEN_EXISTING))
    {
        FURI_LOG_E(TAG, "Failed to open settings file for reading: %s", SETTINGS_PATH);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false; // Return false if the file does not exist
    }

    // Load the path
    size_t path_length;
    if (storage_file_read(file, &path_length, sizeof(size_t)) != sizeof(size_t) || path_length > path_size ||
        storage_file_read(file, path, path_length) != path_length)
    {
        FURI_LOG_E(TAG, "Failed to read path");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }
    path[path_length - 1] = '\0'; // Ensure null-termination

    // Load the SSID
    size_t ssid_length;
    if (storage_file_read(file, &ssid_length, sizeof(size_t)) != sizeof(size_t) || ssid_length > ssid_size ||
        storage_file_read(file, ssid, ssid_length) != ssid_length)
    {
        FURI_LOG_E(TAG, "Failed to read SSID");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }
    ssid[ssid_length - 1] = '\0'; // Ensure null-termination

    // Load the password
    size_t password_length;
    if (storage_file_read(file, &password_length, sizeof(size_t)) != sizeof(size_t) || password_length > password_size ||
        storage_file_read(file, password, password_length) != password_length)
    {
        FURI_LOG_E(TAG, "Failed to read password");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }
    password[password_length - 1] = '\0'; // Ensure null-termination

    // Load the file rename
    size_t file_rename_length;
    if (storage_file_read(file, &file_rename_length, sizeof(size_t)) != sizeof(size_t) || file_rename_length > file_rename_size ||
        storage_file_read(file, file_rename, file_rename_length) != file_rename_length)
    {
        FURI_LOG_E(TAG, "Failed to read file rename");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }
    file_rename[file_rename_length - 1] = '\0'; // Ensure null-termination

    // Load the file type
    size_t file_type_length;
    if (storage_file_read(file, &file_type_length, sizeof(size_t)) != sizeof(size_t) || file_type_length > file_type_size ||
        storage_file_read(file, file_type, file_type_length) != file_type_length)
    {
        FURI_LOG_E(TAG, "Failed to read file type");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }
    file_type[file_type_length - 1] = '\0'; // Ensure null-termination

    // set the path, ssid, and password
    strncpy(app->path, path, path_size);
    strncpy(app->ssid, ssid, ssid_size);
    strncpy(app->password, password, password_size);
    strncpy(app->file_rename, file_rename, file_rename_size);
    strncpy(app->file_type, file_type, file_type_size);

    storage_file_close(file);
    storage_file_free(file);
    furi_record_close(RECORD_STORAGE);
    return true;
}

static bool delete_received_data(WebCrawlerApp *app)
{
    if (app == NULL)
    {
        FURI_LOG_E(TAG, "WebCrawlerApp is NULL");
        return false;
    }
    // Open the storage record
    Storage *storage = furi_record_open(RECORD_STORAGE);
    if (!storage)
    {
        FURI_LOG_E(TAG, "Failed to open storage record");
        return false;
    }

    if (!storage_simply_remove_recursive(storage, RECEIVED_DATA_PATH "received_data.txt"))
    {
        FURI_LOG_E(TAG, "Failed to delete main file");
        furi_record_close(RECORD_STORAGE);
        return false;
    }

    // Allocate memory for new_path
    char *new_path = malloc(256);
    if (new_path == NULL)
    {
        FURI_LOG_E(TAG, "Memory allocation failed for paths");
        free(new_path);
        return false;
    }

    if (app->file_type == NULL || strlen(app->file_type) == 0)
    {
        app->file_type = ".txt";
    }

    // Format the new_path
    int ret_new = snprintf(new_path, 256, "%s%s%s", RECEIVED_DATA_PATH, app->file_rename, app->file_type);
    if (ret_new < 0 || (size_t)ret_new >= 256)
    {
        FURI_LOG_E(TAG, "Failed to create new_path");
        free(new_path);
        return false;
    }

    if (!storage_simply_remove_recursive(storage, new_path))
    {
        FURI_LOG_E(TAG, "Failed to delete duplicate file");
        furi_record_close(RECORD_STORAGE);
        return false;
    }

    furi_record_close(RECORD_STORAGE);

    return true;
}

static bool rename_received_data(const char *old_name, const char *new_name, const char *file_type, const char *old_file_type)
{
    // Open the storage record
    Storage *storage = furi_record_open(RECORD_STORAGE);
    if (!storage)
    {
        FURI_LOG_E(TAG, "Failed to open storage record");
        return false;
    }
    // Allocate memory for old_path and new_path
    char *new_path = malloc(256);
    char *old_path = malloc(256);
    if (new_path == NULL || old_path == NULL)
    {
        FURI_LOG_E(TAG, "Memory allocation failed for paths");
        free(old_path);
        free(new_path);
        return false;
    }

    if (file_type == NULL || strlen(file_type) == 0)
    {
        file_type = ".txt";
    }
    if (old_file_type == NULL || strlen(old_file_type) == 0)
    {
        old_file_type = ".txt";
    }

    // Format the old_path
    int ret_old = snprintf(old_path, 256, "%s%s%s", RECEIVED_DATA_PATH, old_name, old_file_type);
    if (ret_old < 0 || (size_t)ret_old >= 256)
    {
        FURI_LOG_E(TAG, "Failed to create old_path");
        free(old_path);
        free(new_path);
        return false;
    }

    // Format the new_path
    int ret_new = snprintf(new_path, 256, "%s%s%s", RECEIVED_DATA_PATH, new_name, file_type);
    if (ret_new < 0 || (size_t)ret_new >= 256)
    {
        FURI_LOG_E(TAG, "Failed to create new_path");
        free(old_path);
        free(new_path);
        return false;
    }

    // Check if the file exists
    if (!storage_file_exists(storage, old_path))
    {
        if (!storage_file_exists(storage, RECEIVED_DATA_PATH "received_data.txt"))
        {
            FURI_LOG_E(TAG, "No saved file exists");
            free(old_path);
            free(new_path);
            furi_record_close(RECORD_STORAGE);
            return false;
        }
        else
        {
            bool renamed = storage_common_copy(storage, RECEIVED_DATA_PATH "received_data.txt", new_path) == FSE_OK;

            furi_record_close(RECORD_STORAGE);
            return renamed;
        }
    }
    else
    {
        bool renamed = storage_common_rename(storage, old_path, new_path) == FSE_OK;
        storage_simply_remove_recursive(storage, old_path);
        furi_record_close(RECORD_STORAGE);
        return renamed;
    }
}

static bool text_show_read_lines(File *file, FuriString *str_result)
{
    // Reset the FuriString to ensure it's empty before reading
    furi_string_reset(str_result);

    // Define a buffer to hold the read data
    uint8_t buffer[SHOW_MAX_FILE_SIZE];

    // Read data into the buffer
    size_t read_count = storage_file_read(file, buffer, SHOW_MAX_FILE_SIZE);
    if (storage_file_get_error(file) != FSE_OK)
    {
        FURI_LOG_E(TAG, "Error reading from file.");
        return false;
    }

    // Append each byte to the FuriString
    for (size_t i = 0; i < read_count; i++)
    {
        furi_string_push_back(str_result, buffer[i]);
    }

    return true;
}

static bool load_received_data(WebCrawlerApp *app)
{
    if (app == NULL)
    {
        FURI_LOG_E(TAG, "WebCrawlerApp is NULL");
        return false;
    }

    if (!app->widget_file_read)
    {
        FURI_LOG_E(TAG, "Textbox is NULL");
        return false;
    }

    // Open the storage record
    Storage *storage = furi_record_open(RECORD_STORAGE);
    if (!storage)
    {
        FURI_LOG_E(TAG, "Failed to open storage record");
        return false;
    }

    // Allocate a file handle
    File *file = storage_file_alloc(storage);
    if (!file)
    {
        FURI_LOG_E(TAG, "Failed to allocate storage file");
        furi_record_close(RECORD_STORAGE);
        return false;
    }

    // Open the file for reading
    if (!storage_file_open(file, RECEIVED_DATA_PATH "received_data.txt", FSAM_READ, FSOM_OPEN_EXISTING))
    {
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false; // Return false if the file does not exist
    }

    // Allocate a FuriString to hold the received data
    FuriString *str_result = furi_string_alloc();
    if (!str_result)
    {
        FURI_LOG_E(TAG, "Failed to allocate FuriString");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }

    // Read data into the FuriString
    bool read_success = text_show_read_lines(file, str_result);
    if (!read_success)
    {
        FURI_LOG_E(TAG, "Failed to read data from file");
        furi_string_free(str_result);
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }

    // Check if there is more data beyond the maximum size
    char extra_byte;
    storage_file_read(file, &extra_byte, 1);

    // Retrieve the C-string from FuriString
    const char *data_cstr = furi_string_get_cstr(str_result);
    // Set the text box with the received data

    widget_reset(app->widget_file_read);

    if (str_result != NULL)
    {
        widget_add_text_scroll_element(
            app->widget_file_read,
            0,
            0,
            128,
            64, data_cstr);
    }
    else
    {
        widget_add_text_scroll_element(
            app->widget_file_read,
            0,
            0,
            128,
            64, "File is empty.");
    }
    // Clean up
    furi_string_free(str_result);
    storage_file_close(file);
    storage_file_free(file);
    furi_record_close(RECORD_STORAGE);
    return true;
}

#endif // WEB_CRAWLER_STORAGE_H