/*
This project is based on
"bulma-steps" (https://github.com/Wikiki/bulma-steps) by
Wikiki (https://github.com/Wikiki) licensed under
MIT (https://github.com/Wikiki/bulma-steps/blob/master/LICENSE)
*/

$steps-items-focused-outline: none !default;
$steps-details-background-color: $body-background-color !default;
$steps-maker-default-color: $grey-light !default;
$steps-marker-default-border: .2em solid #fff !default;
$steps-default-color: $grey-lighter !default;
$steps-previous-color: $primary !default;
$steps-active-color: $primary !default;
$steps-divider-height: .2em !default;
$steps-vertical-padding: 1em 0 !default;
$steps-mobile-max-width: $tablet !default;
$steps-colors: $colors !default;

@mixin steps-size($size) {
    .steps {
        font-size: $size;
        min-height: $size * 2;

        .step-items {
            .step-item {
                .step-marker {
                    height: $size * 2;
                    width: $size * 2;

                    .icon {
                *, *:before {
                            font-size: $size;
                        }
                    }
                }

                .step-details {
                    .step-title {
                        font-size: $size * 1.2;
                        font-weight: $weight-semibold;
                        line-height: $size;
                    }
                }

                &:not(:first-child), &:only-child {
                    &::before {
                        height: $steps-divider-height;
                        top: #{$size};
                    }
                }
                &:only-child {
                    &::after {
                        top: #{$size};
                    }
                }

                @include until($steps-mobile-max-width) {
                    &::before, &::after, &:not(:first-child)::before {
                        top: #{$size};
                    }
                }
            }
        }
    }

    &.is-vertical {
        > .steps {
            &.has-label-right {
                .step-items {
                    .step-item {
                        &:not(:first-child), &:only-child {
                            &::before, &::after {
                                left: calc(#{$size} - #{$steps-divider-height * 0.5});
                            }
                        }
                    }
                }
            }
            &.has-label-left {
                .step-items {
                    .step-item {
                        &:not(:first-child), &:only-child {
                            &::before, &::after {
                                left: auto;
                                right: calc(#{$size} - #{$steps-divider-height * 0.5});
                            }
                        }
                    }
                }
            }
        }

        &.is-right {
            > .steps {
                &.has-label-right {
                    .step-items {
                        .step-item {
                            &:not(:first-child), &:only-child {
                                &::before, &::after {
                                    left: calc(#{$size} - #{$steps-divider-height * 0.5});
                                }
                            }
                        }
                    }
                }
                &.has-label-left {
                    .step-items {
                        .step-item {
                            &:not(:first-child), &:only-child {
                                &::before, &::after {
                                    left: auto;
                                    right: calc(#{$size} - #{$steps-divider-height * 0.5});
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

.b-steps {
    .steps {
        .step-items {
            display: flex;
            flex-wrap: wrap;

            .step-item {
                margin-top: 0;
                position: relative;
                flex-grow: 1;
                flex-basis: 1em;

                .step-link {
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    flex-direction: column;
                    color: $body-color;

                    &:not(.is-clickable) {
                        cursor: not-allowed;
                    }
                }

                .step-marker {
                    align-items: center;
                    display: flex;
                    border-radius: $radius;
                    font-weight: $weight-bold;
                    justify-content: center;
                    background: $steps-maker-default-color;
                    color: $scheme-main;
                    border: $steps-marker-default-border;
                    z-index: 1;
                    overflow: hidden;
                }

                // Override marker color per step
                @each $name, $pair in $steps-colors {
                    $color: nth($pair, 1);
                    $color-invert: nth($pair, 2);

                    &.is-#{$name} {
                        &::before, &::after {
                            background: linear-gradient(to left, $steps-default-color 50%, $color 50%);
                            background-size: 200% 100%;
                            background-position: right bottom;
                        }
                        &.is-active {
                            .step-marker {
                                background-color: $scheme-main;
                                border-color: $color;
                                color: $color;
                            }

                            &::before, &::after {
                                background-position: left bottom;
                            }
                        }
                        &.is-previous {
                            .step-marker {
                                color: $color-invert;
                                background-color: $color;
                            }

                            &::before, &::after {
                                background-position: left bottom;
                            }
                        }
                    }
                }

                .step-marker{
                    color: $scheme-main;
                }

                .step-details {
                    text-align: center;
                    z-index: 1;
                }

                &:not(:first-child), &:only-child {
                    flex-shrink: 1;

                    &::before {
                        // This will contain the divider
                        content: " ";
                        display: block;
                        position: absolute;
                        width: 100%;
                        bottom: 0;
                        left: -50%;
                    }
                }
                &:only-child {
                    &::after {
                        // This will contain the divider
                        content: " ";
                        display: block;
                        position: absolute;
                        height: $steps-divider-height;
                        bottom: 0;
                    }
                    &::before, &::after {
                        width: 25%;
                        left: 50%;
                    }
                    &::before {
                        right: 50%;
                        left: auto;
                    }
                }

                &::before, &::after {
                    background: linear-gradient(to left, $steps-default-color 50%, $steps-active-color 50%);
                    background-size: 200% 100%;
                    background-position: right bottom;
                }

                &.is-active {
                    .step-link {
                        cursor: default;
                    }

                    .step-marker {
                        background-color: $scheme-main;
                        border-color: $steps-active-color;
                        color: $steps-active-color;
                    }

                    &::before, &::after {
                        background-position: left bottom;
                    }
                }
                &.is-previous {
                    .step-marker {
                        color: $scheme-main;
                        background-color: $steps-previous-color;
                    }

                    &::before, &::after {
                        background-position: left bottom;
                    }
                }
            }
        }

        + .step-content {
            position: relative;
            overflow: visible;
            display: flex;
            flex-direction: column;
            padding: 1rem;
            .step-item {
                flex-shrink: 0;
                flex-basis: auto;

                &:focus {
                    outline: $steps-items-focused-outline;
                }
            }
            &.is-transitioning {
                overflow: hidden;
            }
        }

        &.is-rounded {
            .step-item {
                .step-marker {
                    border-radius: $radius-rounded;
                }
            }
        }

        &.is-animated {
            .step-item {
                &:not(:first-child), &:only-child {
                    &::before {
                        transition: background $speed-slow $easing;
                    }
                }
            }
        }

        &.has-label-right, &.has-label-left {
            .step-items {
                .step-item {
                    .step-link {
                        flex-direction: row;

                        > .step-details {
                            background-color: $steps-details-background-color;
                            padding: .2em;
                        }
                    }
                }
            }
        }
        &.has-label-left {
            .step-items {
                .step-item {
                    .step-link {
                        flex-direction: row-reverse;
                    }
                }
            }
        }
    }

    @include steps-size($size-normal);
    &.is-small {
        @include steps-size($size-small);
    }
    &.is-medium {
        @include steps-size($size-medium);
    }
    &.is-large {
        @include steps-size($size-large);
    }

    &.is-vertical {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;

        > .steps {
            .step-items {
                height: 100%;
                flex-direction: column;
                border-bottom-color: transparent;

                .step-item {
                    width: 100%;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    padding: $steps-vertical-padding;

                    &::before, &::after {
                        background: linear-gradient(to top, $steps-default-color 50%, $steps-active-color 50%);
                        background-size: 100% 200%;
                        background-position: left bottom;
                    }

                    // Override marker connector color per step
                    @each $name, $pair in $steps-colors {
                        $color: nth($pair, 1);

                        &.is-#{$name} {
                            &::before, &::after {
                                background: linear-gradient(to top, $steps-default-color 50%, $color 50%);
                                background-size: 100% 200%;
                                background-position: left bottom;
                            }
                        }
                    }

                    &:not(:first-child), &:only-child {
                        &::before {
                            height: 100%;
                            width: $steps-divider-height;
                            top: -50%;
                            left: calc(50% - #{$steps-divider-height * 0.5});
                        }
                    }

                    &.is-active, &.is-previous {
                        &::before, &::after {
                            background-position: right top;
                        }
                    }

                    &:only-child {
                        &::before {
                            top: 50%;
                        }
                        &::after {
                            width: $steps-divider-height;
                            top: auto;
                            bottom: 50%;
                        }
                        &::before, &::after {
                            height: 25%;
                        }
                    }
                }
            }

            &.has-label-right {
                .step-items {
                    .step-item {
                        justify-content: flex-start;
                    }
                }
            }
            &.has-label-left {
                .step-items {
                    .step-item {
                        justify-content: flex-end;
                    }
                }
            }
            &:not(.has-label-right):not(.has-label-left) {
                .step-items {
                    .step-item {
                        .step-link {
                            > .step-details {
                                background-color: $steps-details-background-color;
                            }
                        }
                    }
                }
            }
        }

        > .step-content {
            flex-grow: 1;
        }

        > .step-navigation {
            flex-basis: 100%;
        }

        &.is-right {
            flex-direction: row-reverse;
        }
    }
    &:not(.is-vertical) {
        .steps {
            @include until($steps-mobile-max-width) {
                &.mobile-minimalist {
                    .step-items {
                        .step-item {
                            &:not(.is-active) {
                                display: none;
                            }
                            &::before, &::after, &:not(:first-child)::before {
                                // This will contain the divider
                                content: " ";
                                display: block;
                                position: absolute;
                                height: $steps-divider-height;
                                width: 25%;
                                bottom: 0;
                                left: 50%;
                            }
                            &::before, &:not(:first-child)::before {
                                right: 50%;
                                left: auto;
                            }
                        }
                    }
                }
                &.mobile-compact {
                    .step-items {
                        .step-item {
                            &:not(.is-active) {
                                .step-details {
                                    display: none;
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}