#include "avr_isp_view_chip_detect.h"
#include <avr_isp_icons.h>
#include <gui/elements.h>

#include "../helpers/avr_isp_worker_rw.h"

struct AvrIspChipDetectView {
    View* view;
    AvrIspWorkerRW* avr_isp_worker_rw;
    AvrIspChipDetectViewCallback callback;
    void* context;
};

typedef struct {
    uint16_t idx;
    const char* name_chip;
    uint32_t flash_size;
    AvrIspChipDetectViewState state;
} AvrIspChipDetectViewModel;

void avr_isp_chip_detect_view_set_callback(
    AvrIspChipDetectView* instance,
    AvrIspChipDetectViewCallback callback,
    void* context) {
    furi_assert(instance);
    furi_assert(callback);

    instance->callback = callback;
    instance->context = context;
}

void avr_isp_chip_detect_set_state(AvrIspChipDetectView* instance, AvrIspChipDetectViewState state) {
    furi_assert(instance);

    with_view_model(
        instance->view, AvrIspChipDetectViewModel * model, { model->state = state; }, true);
}

void avr_isp_chip_detect_view_draw(Canvas* canvas, AvrIspChipDetectViewModel* model) {
    canvas_clear(canvas);

    char str_buf[64] = {0};
    canvas_set_font(canvas, FontPrimary);

    switch(model->state) {
    case AvrIspChipDetectViewStateDetected:
        canvas_draw_str_aligned(canvas, 64, 5, AlignCenter, AlignCenter, "AVR chip detected!");
        canvas_draw_icon(canvas, 29, 14, &I_chip_long_70x22);
        canvas_set_font(canvas, FontSecondary);
        snprintf(str_buf, sizeof(str_buf), "%ld Kb", model->flash_size / 1024);
        canvas_draw_str_aligned(canvas, 64, 25, AlignCenter, AlignCenter, str_buf);
        canvas_draw_str_aligned(canvas, 64, 45, AlignCenter, AlignCenter, model->name_chip);
        elements_button_right(canvas, "Next");
        break;
    case AvrIspChipDetectViewStateErrorOccured:
        canvas_draw_str_aligned(
            canvas, 64, 5, AlignCenter, AlignCenter, "Error occured, try again!");
        canvas_draw_icon(canvas, 29, 14, &I_chip_error_70x22);
        canvas_set_font(canvas, FontSecondary);
        canvas_draw_str_aligned(
            canvas, 64, 45, AlignCenter, AlignCenter, "Check the wiring and retry");
        break;
    case AvrIspChipDetectViewStateErrorVerification:
        canvas_draw_str_aligned(
            canvas, 64, 5, AlignCenter, AlignCenter, "Data verification failed");
        canvas_draw_icon(canvas, 29, 14, &I_chip_error_70x22);
        canvas_set_font(canvas, FontSecondary);
        canvas_draw_str_aligned(
            canvas, 64, 45, AlignCenter, AlignCenter, "Try to restart the process");
        break;

    default:
        //AvrIspChipDetectViewStateNoDetect
        canvas_draw_str_aligned(canvas, 64, 5, AlignCenter, AlignCenter, "AVR chip not found!");
        canvas_draw_icon(canvas, 29, 12, &I_chif_not_found_83x37);

        break;
    }
    canvas_set_font(canvas, FontSecondary);
    elements_button_left(canvas, "Retry");
}

bool avr_isp_chip_detect_view_input(InputEvent* event, void* context) {
    furi_assert(context);

    AvrIspChipDetectView* instance = context;

    if(event->type == InputTypeShort) {
        if(event->key == InputKeyBack) {
            return false;
        } else if(event->key == InputKeyRight) {
            with_view_model(
                instance->view,
                AvrIspChipDetectViewModel * model,
                {
                    if(model->state == AvrIspChipDetectViewStateDetected) {
                        if(instance->callback)
                            instance->callback(
                                AvrIspCustomEventSceneChipDetectOk, instance->context);
                    }
                },
                false);

        } else if(event->key == InputKeyLeft) {
            bool detect_chip = false;
            with_view_model(
                instance->view,
                AvrIspChipDetectViewModel * model,
                {
                    if(model->state != AvrIspChipDetectViewStateDetecting) {
                        model->state = AvrIspChipDetectViewStateDetecting;
                        detect_chip = true;
                    }
                },
                false);
            if(detect_chip) avr_isp_worker_rw_detect_chip(instance->avr_isp_worker_rw);
        }
    } else {
        return false;
    }

    return true;
}

static void avr_isp_chip_detect_detect_chip_callback(
    void* context,
    const char* name,
    bool detect_chip,
    uint32_t flash_size) {
    furi_assert(context);

    AvrIspChipDetectView* instance = context;
    with_view_model(
        instance->view,
        AvrIspChipDetectViewModel * model,
        {
            model->name_chip = name;
            model->flash_size = flash_size;
            if(detect_chip) {
                model->state = AvrIspChipDetectViewStateDetected;
            } else {
                model->state = AvrIspChipDetectViewStateNoDetect;
            }
        },
        true);
}
void avr_isp_chip_detect_view_enter(void* context) {
    furi_assert(context);

    AvrIspChipDetectView* instance = context;
    bool detect_chip = false;
    with_view_model(
        instance->view,
        AvrIspChipDetectViewModel * model,
        {
            if(model->state == AvrIspChipDetectViewStateNoDetect ||
               model->state == AvrIspChipDetectViewStateDetected) {
                detect_chip = true;
            }
        },
        false);

    //Start avr_isp_worker_rw
    instance->avr_isp_worker_rw = avr_isp_worker_rw_alloc(instance->context);

    avr_isp_worker_rw_set_callback(
        instance->avr_isp_worker_rw, avr_isp_chip_detect_detect_chip_callback, instance);

    if(detect_chip) avr_isp_worker_rw_detect_chip(instance->avr_isp_worker_rw);
}

void avr_isp_chip_detect_view_exit(void* context) {
    furi_assert(context);

    AvrIspChipDetectView* instance = context;

    avr_isp_worker_rw_set_callback(instance->avr_isp_worker_rw, NULL, NULL);
    avr_isp_worker_rw_free(instance->avr_isp_worker_rw);
}

AvrIspChipDetectView* avr_isp_chip_detect_view_alloc() {
    AvrIspChipDetectView* instance = malloc(sizeof(AvrIspChipDetectView));

    // View allocation and configuration
    instance->view = view_alloc();

    view_allocate_model(instance->view, ViewModelTypeLocking, sizeof(AvrIspChipDetectViewModel));
    view_set_context(instance->view, instance);
    view_set_draw_callback(instance->view, (ViewDrawCallback)avr_isp_chip_detect_view_draw);
    view_set_input_callback(instance->view, avr_isp_chip_detect_view_input);
    view_set_enter_callback(instance->view, avr_isp_chip_detect_view_enter);
    view_set_exit_callback(instance->view, avr_isp_chip_detect_view_exit);

    with_view_model(
        instance->view,
        AvrIspChipDetectViewModel * model,
        { model->state = AvrIspChipDetectViewStateNoDetect; },
        false);
    return instance;
}

void avr_isp_chip_detect_view_free(AvrIspChipDetectView* instance) {
    furi_assert(instance);

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

View* avr_isp_chip_detect_view_get_view(AvrIspChipDetectView* instance) {
    furi_assert(instance);

    return instance->view;
}