<script>
import BaseComponent from 'primevue/basecomponent';
import { useStyle } from 'primevue/usestyle';

const styles = `
.p-tabview-nav-container {
    position: relative;
}

.p-tabview-scrollable .p-tabview-nav-container {
    overflow: hidden;
}

.p-tabview-nav-content {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: none;
    overscroll-behavior: contain auto;
}

.p-tabview-nav {
    display: flex;
    margin: 0;
    padding: 0;
    list-style-type: none;
    flex: 1 1 auto;
}

.p-tabview-header-action {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    position: relative;
    text-decoration: none;
    overflow: hidden;
}

.p-tabview-ink-bar {
    display: none;
    z-index: 1;
}

.p-tabview-header-action:focus {
    z-index: 1;
}

.p-tabview-title {
    line-height: 1;
    white-space: nowrap;
}

.p-tabview-nav-btn {
    position: absolute;
    top: 0;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.p-tabview-nav-prev {
    left: 0;
}

.p-tabview-nav-next {
    right: 0;
}

.p-tabview-nav-content::-webkit-scrollbar {
    display: none;
}
`;

const classes = {
    root: ({ props }) => [
        'p-tabview p-component',
        {
            'p-tabview-scrollable': props.scrollable
        }
    ],
    navContainer: 'p-tabview-nav-container',
    previousButton: 'p-tabview-nav-prev p-tabview-nav-btn p-link',
    navContent: 'p-tabview-nav-content',
    nav: 'p-tabview-nav',
    tab: {
        header: ({ instance, tab, index }) => [
            'p-tabview-header',
            instance.getTabProp(tab, 'headerClass'),
            {
                'p-highlight': instance.d_activeIndex === index,
                'p-disabled': instance.getTabProp(tab, 'disabled')
            }
        ],
        headerAction: 'p-tabview-nav-link p-tabview-header-action',
        headerTitle: 'p-tabview-title',
        content: ({ instance, tab }) => ['p-tabview-panel', instance.getTabProp(tab, 'contentClass')]
    },
    inkbar: 'p-tabview-ink-bar',
    nextButton: 'p-tabview-nav-next p-tabview-nav-btn p-link',
    panelContainer: 'p-tabview-panels'
};

const { load: loadStyle, unload: unloadStyle } = useStyle(styles, { id: 'primevue_tabview_style', manual: true });

export default {
    name: 'BaseTabView',
    extends: BaseComponent,
    props: {
        activeIndex: {
            type: Number,
            default: 0
        },
        lazy: {
            type: Boolean,
            default: false
        },
        scrollable: {
            type: Boolean,
            default: false
        },
        tabindex: {
            type: Number,
            default: 0
        },
        selectOnFocus: {
            type: Boolean,
            default: false
        },
        previousButtonProps: {
            type: null,
            default: null
        },
        nextButtonProps: {
            type: null,
            default: null
        },
        prevIcon: {
            type: String,
            default: undefined
        },
        nextIcon: {
            type: String,
            default: undefined
        }
    },
    css: {
        classes
    },
    watch: {
        isUnstyled: {
            immediate: true,
            handler(newValue) {
                !newValue && loadStyle();
            }
        }
    }
};
</script>
