#include "subbrute_main_view.h"
#include "../subbrute_i.h"

#include <input/input.h>
#include <gui/elements.h>
#include "assets_icons.h"
#include <gui/icon.h>

#define STATUS_BAR_Y_SHIFT 14
#define TAG "SubBruteMainView"

struct SubBruteMainView {
    View* view;
    SubBruteMainViewCallback callback;
    void* context;
};

typedef struct {
    uint8_t index;
    uint8_t window_position;
} SubBruteMainViewModel;

void subbrute_main_view_set_callback(
    SubBruteMainView* instance,
    SubBruteMainViewCallback callback,
    void* context) {
    furi_assert(instance);
    furi_assert(callback);

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

void subbrute_main_view_draw(Canvas* canvas, SubBruteMainViewModel* model) {
    SubBruteMainViewModel* m = model;

    // Title
    canvas_set_font(canvas, FontPrimary);
    canvas_draw_box(canvas, 0, 0, canvas_width(canvas), STATUS_BAR_Y_SHIFT);
    canvas_invert_color(canvas);
    canvas_draw_str_aligned(canvas, 64, 2, AlignCenter, AlignTop, "Sub-GHz Bruteforcer");
    canvas_invert_color(canvas);

    // Menu
    canvas_set_color(canvas, ColorBlack);
    canvas_set_font(canvas, FontSecondary);
    uint8_t items_on_screen = 3;
    const uint8_t item_height = 16;

#ifdef FURI_DEBUG
    FURI_LOG_D(TAG, "window_position: %d, index: %d", model->window_position, m->index);
#endif
    for(uint8_t position = 0; position < SubBruteAttackTotalCount; ++position) {
        uint8_t item_position = position - model->window_position;

        if(item_position < items_on_screen) {
            const char* str = subbrute_get_menu_name(position);
            if(m->index == position) {
                canvas_draw_str_aligned(
                    canvas,
                    64,
                    9 + (item_position * item_height) + STATUS_BAR_Y_SHIFT,
                    AlignCenter,
                    AlignCenter,
                    str);
                elements_frame(
                    canvas, 1, 1 + (item_position * item_height) + STATUS_BAR_Y_SHIFT, 125, 15);
            } else {
                canvas_draw_str_aligned(
                    canvas,
                    64,
                    9 + (item_position * item_height) + STATUS_BAR_Y_SHIFT,
                    AlignCenter,
                    AlignCenter,
                    str);
            }
        }
    }

    elements_scrollbar_pos(
        canvas,
        canvas_width(canvas),
        STATUS_BAR_Y_SHIFT + 2,
        canvas_height(canvas) - STATUS_BAR_Y_SHIFT,
        m->index,
        SubBruteAttackTotalCount);
}

bool subbrute_main_view_input(InputEvent* event, void* context) {
    furi_assert(event);
    furi_assert(context);
#ifdef FURI_DEBUG
    FURI_LOG_D(TAG, "InputKey: %d", event->key);
#endif

    if(event->key == InputKeyBack && event->type == InputTypeShort) {
        return false;
    }

    SubBruteMainView* instance = context;
    const uint8_t min_value = 0;
    const uint8_t correct_total = SubBruteAttackTotalCount - 1;
    uint8_t index = 0;

    bool consumed = false;
    if((event->type == InputTypeShort) || (event->type == InputTypeRepeat)) {
        with_view_model(
            instance->view, (SubBruteMainViewModel * model) {
                bool ret = false;
                uint8_t items_on_screen = 3;
                if(event->key == InputKeyUp) {
                    if(model->index == min_value) {
                        model->index = correct_total;
                    } else {
                        model->index = CLAMP(model->index - 1, correct_total, min_value);
                    }
                    ret = true;
                    consumed = true;
                } else if(event->key == InputKeyDown) {
                    if(model->index == correct_total) {
                        model->index = min_value;
                    } else {
                        model->index = CLAMP(model->index + 1, correct_total, min_value);
                    }
                    ret = true;
                    consumed = true;
                }
                if(ret) {
                    model->window_position = model->index;
                    if(model->window_position > 0) {
                        model->window_position -= 1;
                    }

                    if(SubBruteAttackTotalCount <= items_on_screen) {
                        model->window_position = 0;
                    } else {
                        if(model->window_position >=
                           (SubBruteAttackTotalCount - items_on_screen)) {
                            model->window_position = (SubBruteAttackTotalCount - items_on_screen);
                        }
                    }
                }
                index = model->index;
                return ret;
            });
    }

#ifdef FURI_DEBUG
    with_view_model(
        instance->view, (SubBruteMainViewModel * model) {
            index = model->index;
            return false;
        });
    FURI_LOG_I(TAG, "Index: %d", index);
#endif

    if(event->key == InputKeyOk && event->type == InputTypeShort) {
        if(index == SubBruteAttackLoadFile) {
            instance->callback(SubBruteCustomEventTypeLoadFile, instance->context);
        } else {
            instance->callback(SubBruteCustomEventTypeMenuSelected, instance->context);
        }
        consumed = true;
    }

    return consumed;
}

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

#ifdef FURI_DEBUG
    FURI_LOG_D(TAG, "subbrute_main_view_enter");
#endif
}

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

#ifdef FURI_DEBUG
    FURI_LOG_D(TAG, "subbrute_main_view_exit");
#endif
}

SubBruteMainView* subbrute_main_view_alloc() {
    SubBruteMainView* instance = malloc(sizeof(SubBruteMainView));
    instance->view = view_alloc();
    view_allocate_model(instance->view, ViewModelTypeLocking, sizeof(SubBruteMainViewModel));
    view_set_context(instance->view, instance);
    view_set_draw_callback(instance->view, (ViewDrawCallback)subbrute_main_view_draw);
    view_set_input_callback(instance->view, subbrute_main_view_input);
    view_set_enter_callback(instance->view, subbrute_main_view_enter);
    view_set_exit_callback(instance->view, subbrute_main_view_exit);

    with_view_model(
        instance->view, (SubBruteMainViewModel * model) {
            model->index = 0;
            model->window_position = 0;
            return true;
        });

    return instance;
}

void subbrute_main_view_free(SubBruteMainView* instance) {
    furi_assert(instance);

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

View* subbrute_main_view_get_view(SubBruteMainView* instance) {
    furi_assert(instance);
    return instance->view;
}

void subbrute_main_view_set_index(SubBruteMainView* instance, uint8_t idx) {
    furi_assert(instance);
    furi_assert(idx < SubBruteAttackTotalCount);
#ifdef FURI_DEBUG
    FURI_LOG_I(TAG, "Set index: %d", idx);
#endif
    with_view_model(
        instance->view, (SubBruteMainViewModel * model) {
            model->index = idx;
            model->window_position = idx;

            uint8_t items_on_screen = 3;

            if(model->window_position > 0) {
                model->window_position -= 1;
            }

            if(SubBruteAttackTotalCount <= items_on_screen) {
                model->window_position = 0;
            } else {
                if(model->window_position >= (SubBruteAttackTotalCount - items_on_screen)) {
                    model->window_position = (SubBruteAttackTotalCount - items_on_screen);
                }
            }

            return true;
        });
}

SubBruteAttacks subbrute_main_view_get_index(SubBruteMainView* instance) {
    furi_assert(instance);

    uint8_t idx = 0;
    with_view_model(
        instance->view, (SubBruteMainViewModel * model) {
            idx = model->index;
            return false;
        });

#ifdef FURI_DEBUG
    FURI_LOG_D(TAG, "Get index: %d", idx);
#endif

    return idx;
}