#include "PowerLinkWidget.hpp"
#include "../WidgetManager.hpp"

PowerLinkWidget::PowerLinkWidget(const WidgetConfig& config)
    : Widget(config)
{
    points_[0].x = 0;
    points_[0].y = 0;
    points_[1].x = 1;
    points_[1].y = 1;
}

void PowerLinkWidget::buildLinePoints() {
    if (obj_ == nullptr) return;
    if (config_.x < 0 || config_.y < 0) return;

    const ScreenConfig* screen = WidgetManager::instance().currentScreen();
    if (screen == nullptr) return;

    const WidgetConfig* fromNode = screen->findWidget(static_cast<uint8_t>(config_.x));
    const WidgetConfig* toNode = screen->findWidget(static_cast<uint8_t>(config_.y));
    if (fromNode == nullptr || toNode == nullptr) return;
    if (fromNode->parentId != config_.parentId || toNode->parentId != config_.parentId) return;

    int16_t x1 = fromNode->x + fromNode->width / 2;
    int16_t y1 = fromNode->y + fromNode->height / 2;
    int16_t x2 = toNode->x + toNode->width / 2;
    int16_t y2 = toNode->y + toNode->height / 2;

    int16_t minX = x1 < x2 ? x1 : x2;
    int16_t minY = y1 < y2 ? y1 : y2;
    int16_t maxX = x1 > x2 ? x1 : x2;
    int16_t maxY = y1 > y2 ? y1 : y2;

    points_[0].x = x1 - minX;
    points_[0].y = y1 - minY;
    points_[1].x = x2 - minX;
    points_[1].y = y2 - minY;

    lv_obj_set_pos(obj_, minX, minY);
    lv_obj_set_size(obj_, (maxX - minX) + 1, (maxY - minY) + 1);
    lv_line_set_points(obj_, points_, 2);
}

lv_obj_t* PowerLinkWidget::create(lv_obj_t* parent) {
    obj_ = lv_line_create(parent);
    if (obj_ == nullptr) {
        return nullptr;
    }

    lv_obj_clear_flag(obj_, LV_OBJ_FLAG_CLICKABLE);
    buildLinePoints();
    return obj_;
}

void PowerLinkWidget::applyStyle() {
    if (obj_ == nullptr) return;

    lv_obj_set_style_line_color(obj_, lv_color_make(
        config_.bgColor.r, config_.bgColor.g, config_.bgColor.b), 0);
    lv_obj_set_style_line_width(obj_, config_.width > 0 ? config_.width : 2, 0);
    lv_obj_set_style_line_opa(obj_, config_.bgOpacity, 0);

    int32_t dash = config_.iconGap > 0 ? config_.iconGap : 6;
    lv_obj_set_style_line_dash_width(obj_, dash, 0);
    lv_obj_set_style_line_dash_gap(obj_, dash + 4, 0);
}