@use "style.scss";

ueb-link {
    --ueb-link-color: rgb(var(--ueb-link-color-rgb));
    --ueb-from-input-coefficient: calc(2 * var(--ueb-from-input) - 1);
    /* when from-y > to-y */
    --ueb-y-reflected: clamp(0, var(--ueb-from-y) - var(--ueb-to-y) - 1, 1);
    display: block;
    margin-left: calc(var(--ueb-link-start) * -1px);
    min-width: calc(var(--ueb-link-min-width) * 1px);
    /*
     * This makes the element transparent to the hover events so that multiple path elements can stand nearby and have
     * their hover behavior correctly firing.
     */
    visibility: hidden;
    @extend .ueb-positioned;
}

ueb-link>svg {
    --ueb-y-reflected-coefficient: calc(2 * var(--ueb-y-reflected) - 1);
    position: absolute;
    width: 100%;
    height: 100%;
    min-height: 1px;
    transform: scaleY(calc(var(--ueb-y-reflected-coefficient) * var(--ueb-from-input-coefficient)));
}

ueb-link .ueb-link-area path {
    visibility: visible;
    stroke: var(--ueb-link-color);
    stroke-width: calc(3px / var(--ueb-scale));
}

ueb-link[data-dragging="true"] .ueb-link-area path,
ueb-link .ueb-link-area:hover path {
    stroke-width: calc(6px / var(--ueb-scale));
    transition: stroke-width 0.8s;
}

ueb-link[data-dragging="true"] .ueb-link-message {
    display: block;
    visibility: visible;
}

.ueb-link-message {
    display: none;
    position: absolute;
    top: calc(100% * (1 - var(--ueb-y-reflected)) + 22px);
    left: calc(
            /* If originates from an output pin, start with 100% */
            (1 - var(--ueb-from-input)) * 100%
            /* If originates from an input pin, then sum, otherwise subtract */
            + (var(--ueb-from-input-coefficient)) * var(--ueb-start-percentage)
            /* Fixed offset */
            + 15px);
    border: 1px solid #000;
    border-radius: 2px;
    background: linear-gradient(to bottom, #2a2a2a 0, #151515 50%, #2a2a2a 100%);
    color: var(--ueb-pin-dim-color);
    white-space: nowrap;
    z-index: 1000000;
}

.ueb-link-message-icon {
    display: inline-block;
    padding: 4px;
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

.ueb-link-message-text {
    padding: 4px;
    padding-left: 0;
    vertical-align: middle;
}

.ueb-link-message-icon svg {
    width: 100%;
    height: 100%;
}