#include "../gb_cartridge_app.h"
#include <furi.h>
#include <furi_hal.h>
#include <input/input.h>
#include <gui/elements.h>
#include <dolphin/dolphin.h>
#include <gui/elements.h>
#include <notification/notification_messages.h>
#include <dialogs/dialogs.h>
#include <gui/modules/dialog_ex.h>
#include <toolbox/stream/file_stream.h>
#include "../helpers/gb_cartridge_speaker.h"
#include "../helpers/sequential_file.h"
#include <stdio.h>   // Para sprintf
#include <string.h>  // Para strlen

struct GBCartridgeScene4 {
    View* view;
    GBCartridgeScene4Callback callback;
    void* context;
    GBCartridge* app;
};
// static uint64_t last_toggle_time = 0;

typedef struct {
    char* event_type;
    int progress;
    int total_rom;
    int transfered;
    int romBanks;
    int elapsed_time;
    int start_time;
    
    char* cart_dump_rom_filename_sequential;
    bool rx_active;
} GameBoyCartridgeROMWriteModel;

// void dump_rom_handle_rx_data_cb(uint8_t* buf, size_t len, void* context) {
//     UNUSED(len);
//     UNUSED(buf);
//     GBCartridge* instance = context;
//     storage_file_write(instance->cart_rom, buf, len);
//     with_view_model(
//         instance->gb_cartridge_scene_4->view,
//         GameBoyCartridgeROMWriteModel * model,
//         { 
//             model->transfered += len;
//             uint64_t current_time = furi_hal_rtc_get_timestamp();
//             model->elapsed_time = current_time - model->start_time;
//             if (current_time - last_toggle_time >= 0.2) {
//                 model->rx_active = !model->rx_active;
//                 last_toggle_time = current_time;
//             }
//         },
//         true);
// }

void gb_cartridge_scene_4_set_callback(
    GBCartridgeScene4* instance,
    GBCartridgeScene4Callback callback,
    void* context) {
    furi_assert(instance);
    furi_assert(callback);
    instance->callback = callback;
    instance->context = context;
}
// void gameboy_rom_write_handle_rx_data_cb(uint8_t* buf, size_t len, void* context) {
//     furi_assert(context);
//     UNUSED(len);
//     UNUSED(buf);
//     GBCartridge* instance = context;
//     with_view_model(
//         instance->gb_cartridge_scene_4->view,
//         GameBoyCartridgeROMWriteModel * model,
//         {
//             UNUSED(model);
//             cJSON* json = cJSON_Parse((char*)buf);
//             if(json == NULL) {
//             } else {
//                 cJSON* type = cJSON_GetObjectItemCaseSensitive(json, "type");
//                 if(cJSON_IsString(type) && (type->valuestring != NULL)) {
//                     model->event_type = strdup(type->valuestring);
//                 } else {
//                     model->event_type = "None";
//                 }
//                 //  Total
//                 cJSON* total = cJSON_GetObjectItemCaseSensitive(json, "total");
//                 if(cJSON_IsNumber(total)) {
//                     model->total_rom = total->valueint;
//                 } else {
//                     model->total_rom = 0;
//                 }
//                 //  Progress
//                 cJSON* progress = cJSON_GetObjectItemCaseSensitive(json, "progress");
//                 if(cJSON_IsNumber(progress)) {
//                     model->progress = progress->valueint;
//                 } else {
//                     model->progress = 0;
//                 }
//                 //  RomBanks
//                 cJSON* romBanks = cJSON_GetObjectItemCaseSensitive(json, "romBanks");
//                 if(cJSON_IsNumber(romBanks)) {
//                     model->romBanks = romBanks->valueint;
//                 } else {
//                     model->romBanks = 0;
//                 }
//             }
//             if (strcmp(model->event_type, "success") == 0) {
//                 model->progress = 100;
//                 if(instance->cart_rom && storage_file_is_open(instance->cart_rom)) {
//                     storage_file_close(instance->cart_rom);
//                 }
//                 notification_success(instance->notification);
//             }
//         },
//         true);
// }
static void drawProgressBar(Canvas* canvas, int progress) {
    for(int x = 0; x < 64 - 14 - UI_PADDING - UI_PADDING -UI_PADDING - UI_PADDING; x += 5) {
        for(int row = 0; row < 20; row += 5) {
            if(progress > 0) {
                canvas_draw_box(canvas, 14 /*ARROW*/ + UI_PADDING + 2+ x + 4, /*45*/ 26 + row, 4, 4);
                progress--;
            } else {
                canvas_draw_frame(canvas, 14 /*ARROW*/ + UI_PADDING + 2+ x + 4, /*45*/ 26 + row, 4, 4);
            }
        }
    }
}

void gb_cartridge_scene_4_draw(Canvas* canvas, GameBoyCartridgeROMWriteModel* model) {
    // Clear the screen.
    canvas_set_color(canvas, ColorBlack);

    canvas_clear(canvas);
    canvas_set_color(canvas, ColorBlack);
    canvas_set_font(canvas, FontKeyboard);
    canvas_draw_frame(canvas, 0, 24, (128/2), 25);

    canvas_set_bitmap_mode(canvas, 1);
    canvas_set_font(canvas, FontPrimary);
    char progressText[42];
    int progress = 0;
    if(model->total_rom > 0 && model->transfered > 0) {
        progress = model->transfered * 100 / model->total_rom;
    }
    snprintf(progressText, sizeof(progressText), "%d%% Write ROM...", progress);
    canvas_draw_str_aligned(canvas, 128 / 2, 0, AlignCenter, AlignTop, progressText);
    canvas_set_font(canvas, FontSecondary);

    // char *filename = strrchr(model->cart_dump_rom_filename_sequential, '/');
    // filename++;
    // canvas_draw_str_aligned(canvas, 128/2, 12, AlignCenter, AlignTop, filename);

    char total_rom_str[20];
    snprintf(total_rom_str, sizeof(total_rom_str), "of %.2lf MiB", (double)(model->total_rom / 1024.0 / 1024.0));

    char transfered_rom_str[20];
    snprintf(transfered_rom_str, sizeof(transfered_rom_str), "%.2lf MiB", (double)(model->transfered / 1024.0 / 1024.0));


    // Calcula la Tasa de Transferencia en KiB/s
    char transfer_rate_str[20];
    if(model->transfered>0 && model->elapsed_time > 0) {
        double transfer_rate_kibps = (double)model->transfered / ((double)model->elapsed_time ) / (double)1024.0;
        snprintf(transfer_rate_str, sizeof(transfer_rate_str), "%.2lf KiB/s", transfer_rate_kibps);
    } else {
        snprintf(transfer_rate_str, sizeof(transfer_rate_str), "0 KiB/s");
    }
    

    canvas_draw_str_aligned(canvas, (128/2) + UI_PADDING, 22 + 2, AlignLeft, AlignTop, transfered_rom_str);
    canvas_draw_str_aligned(canvas, (128/2) + UI_PADDING, 40 + 2, AlignLeft, AlignTop, total_rom_str);
    canvas_draw_str_aligned(canvas, (128/2) + UI_PADDING, 48 + 2, AlignLeft, AlignTop, transfer_rate_str);

    if(model->rx_active) {
        canvas_draw_icon_ex(canvas, UI_PADDING, 28, &I_ArrowUpFilled_14x15, IconRotation180);
    } else {
        canvas_draw_icon_ex(canvas, UI_PADDING, 28, &I_ArrowUpEmpty_14x15, IconRotation180);
    }

    char totalText[42];
    snprintf(totalText, sizeof(totalText), "%d", model->total_rom);
    // canvas_draw_str(canvas, 69, 48, totalText);

    drawProgressBar(canvas, (progress * UI_PROGRESS_ROWS * UI_PROGRESS_COLS) / 100); // Pinta las primeras 10 cajas de negro
    // free(totalText);
    
    elements_button_center(canvas, "Write");
}

static void gb_cartridge_scene_4_model_init(GameBoyCartridgeROMWriteModel* const model) {
    model->progress = 0;
    model->total_rom = 0;
    model->transfered = 0;
    model->romBanks = 0;
    model->elapsed_time = 0;
    model->start_time = 0;
}

bool gb_cartridge_scene_4_input(InputEvent* event, void* context) {
    furi_assert(context);
    GBCartridgeScene4* instance = context;
    
    
    if (event->type == InputTypeRelease) {
        switch(event->key) {
            case InputKeyBack:
                with_view_model(
                    instance->view,
                    GameBoyCartridgeROMWriteModel * model,
                    {
                        UNUSED(model);
                        GBCartridge* app = (GBCartridge*)instance->context;
                        // Unregister rx callback
                        uart_set_handle_rx_data_cb(app->uart, NULL);
                        uart_set_handle_rx_data_cb(app->lp_uart, NULL);
                        instance->callback(GBCartridgeCustomEventScene4Back, instance->context);
                    },
                    true);
                break;
            case InputKeyUp:
            case InputKeyDown:
            case InputKeyLeft:
            case InputKeyRight:
            break;
            case InputKeyOk:
                with_view_model(
                    instance->view,
                    GameBoyCartridgeROMWriteModel * model,
                    {
                        GBCartridge* app = ((GBCartridge*)instance->context);
                        UNUSED(model);
                        UNUSED(app);


                        FuriString* path = furi_string_alloc();
                        furi_string_set(path, MALVEKE_APP_FOLDER);
                        DialogsFileBrowserOptions browser_options;
                        dialog_file_browser_set_basic_options(
                            &browser_options, ".sav", NULL);
                        browser_options.base_path = MALVEKE_APP_FOLDER;
                        browser_options.skip_assets = true;

                        // Input events and views are managed by file_browser
                        bool res = dialog_file_browser_show( app->dialogs, path, path, &browser_options);

                        UNUSED(res);

                        
                        // model->start_time = furi_hal_rtc_get_timestamp(); // Registra el tiempo de inicio
                        // app->cart_rom = storage_file_alloc(app->storage);

                        
                        // if(storage_file_open(app->cart_rom, model->cart_dump_rom_filename_sequential, FSAM_WRITE, FSOM_CREATE_ALWAYS)) {
                        //     const char gbcartridge_command[] = "gbcartridge -w -o\n";
                        //     uart_tx((uint8_t*)gbcartridge_command, strlen(gbcartridge_command));
                        // } else {
                        //     dialog_message_show_storage_error(app->dialogs, "Cannot open dump file");
                        // }
                    },
                    true);
            break;
            case InputKeyMAX:
                break;
        }
    }
    
    return true;
}

void gb_cartridge_scene_4_exit(void* context) {
    furi_assert(context);
    GBCartridge* app = context;
    gb_cartridge_stop_all_sound(app);
}

void gb_cartridge_scene_4_enter(void* context) {
    furi_assert(context);
    GBCartridgeScene4* instance = context;
    GBCartridge* app = (GBCartridge*)instance->context;

    UNUSED(app);
    with_view_model(
        app->gb_cartridge_scene_4->view,
        GameBoyCartridgeROMWriteModel * model,
        {
            
            UNUSED(model);

            
            
            // furi_record_close("dialogs");


            // Stream* file_stream = file_stream_alloc(app->storage);
            // FuriString* path = furi_string_alloc();
            // furi_string_set(path, MALVEKE_APP_FOLDER);
            // if(file_stream_open(file_stream, furi_string_get_cstr(path), FSAM_READ, FSOM_OPEN_EXISTING)) {

            // }



            // gb_cartridge_scene_4_model_init(model);
            // model->cart_dump_rom_filename  = app->cart_dump_rom_filename;
            // model->cart_dump_rom_extension = app->cart_dump_rom_extension;
            // char *filename = strrchr(sequential_file_resolve_path(app->storage, MALVEKE_APP_FOLDER, app->cart_dump_rom_filename, app->cart_dump_rom_extension), '/');
            // filename++;
            // char *filename = sequential_file_resolve_path(app->storage, MALVEKE_APP_FOLDER, app->cart_dump_rom_filename, app->cart_dump_rom_extension);
            // model->cart_dump_rom_filename_sequential =  filename;

             // Register callbacks to receive data
            // uart_set_handle_rx_data_cb(app->uart, gameboy_rom_write_handle_rx_data_cb); // setup callback for general log rx thread
            // uart_set_handle_rx_data_cb(app->lp_uart, dump_rom_handle_rx_data_cb); // setup callback for general log rx thread


        },
        false);
}

GBCartridgeScene4* gb_cartridge_scene_4_alloc() {
    GBCartridgeScene4* instance = malloc(sizeof(GBCartridgeScene4));
    instance->view = view_alloc();
    view_allocate_model(instance->view, ViewModelTypeLocking, sizeof(GameBoyCartridgeROMWriteModel));
    view_set_context(instance->view, instance);
    view_set_draw_callback(instance->view, (ViewDrawCallback)gb_cartridge_scene_4_draw);
    view_set_input_callback(instance->view, gb_cartridge_scene_4_input);
    view_set_enter_callback(instance->view, gb_cartridge_scene_4_enter);
    view_set_exit_callback(instance->view, gb_cartridge_scene_4_exit);
    
    with_view_model(
        instance->view,
        GameBoyCartridgeROMWriteModel * model,
        {
            gb_cartridge_scene_4_model_init(model);
        },
        true);
    
    return instance;
}

void gb_cartridge_scene_4_free(GBCartridgeScene4* instance) {
    furi_assert(instance);
    

    view_free(instance->view);
    free(instance);
}

View* gb_cartridge_scene_4_get_view(GBCartridgeScene4* instance) {
    furi_assert(instance);


    return instance->view;
}