@use 'sass:math';
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/global.variables' as globalVariables;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/spacing.variables' as spacing;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/colours.variables' as colours;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/breakpoints.variables' as breakpoints;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/fonts.variables' as fonts;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/2-tools/functions/global.functions' as globalFunctions;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/font-weights.variables' as fontWeights;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/2-tools/placeholder/focus.placeholders' as
	focusPlaceholders;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/z-index.variables' as zIndex;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/line-heights.variables' as lineHeights;
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/1-variables/typography.variables';
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/5-layout/_grid.layout.scss';
@use 'pkg:@ongov/ontario-design-system-global-styles/styles/scss/7-overrides/_visibility.overrides.scss';
@use '../../styles/text-inputs.scss';
@use '../../styles/header.scss';

// Variables
$border-width-1: 1px;
$border-width-2: 2px;
$border-width-6: 6px;
$font-size-18: globalFunctions.px-to-rem(18);
$ontario-search-padding: 7.2rem;
$ontario-search-padding--mobile: 6.4rem;
$ontario-header-search-close-height: globalFunctions.px-to-rem(60);
$ontario-header-search-close-icon-height: globalFunctions.px-to-rem(30);
$ontario-header-height: globalFunctions.px-to-rem(92);
$ontario-header-logo-width: 180px;
$ontario-header-logo-width--mobile: 45px;
$ontario-header-custom-breakpoint: 39.9375em;
$ontario-navigation-container-min-width: globalFunctions.px-to-rem(290);
$ontario-header-z-index: zIndex.$ontario-z-index-above-high;

// Mixins for common button states
@mixin header-button-base {
	@extend %ontario-header-button;

	&:focus,
	&:focus-visible {
		@extend %ontario-focus;
	}

	&:hover,
	&:focus,
	&:visited {
		color: colours.$ontario-colour-white;
	}
}

@mixin header-button-hover-focus {
	&:hover,
	&:focus {
		background-color: colours.$ontario-greyscale-70;
	}
}

@mixin navigation-list-styles {
	list-style: none;
	padding: spacing.$spacing-2 spacing.$spacing-0;
	margin: spacing.$spacing-0;
	border-bottom: $border-width-1 solid colours.$ontario-greyscale-20;

	@media screen and (min-width: breakpoints.$medium-breakpoint) {
		border-bottom: none;
	}
}

@mixin navigation-item-styles {
	border-top: $border-width-1 solid colours.$ontario-greyscale-20;
	padding: spacing.$spacing-0;
	margin-bottom: spacing.$spacing-0;

	&:last-of-type {
		border-bottom: $border-width-1 solid colours.$ontario-greyscale-20;
	}
}

@mixin navigation-link-styles {
	color: colours.$ontario-colour-black;
	display: block;
	font-size: $font-size-18;
	font-weight: fontWeights.$ontario-font-weights-semi-bold;
	font-family: fonts.$ontario-font-open-sans;
	text-decoration: none;
	padding: calc(spacing.$spacing-3 - math.div(spacing.$spacing-1, 3.25)) spacing.$spacing-5;

	&:hover {
		text-decoration: underline;
		background-color: darken(colours.$ontario-greyscale-5, 5);
	}

	&:active {
		text-decoration: underline;
		background-color: colours.$ontario-greyscale-20;
	}

	&:focus,
	&:active {
		@extend %ontario-focus;
		box-shadow: focusPlaceholders.$ontario-focus-box-shadow inset;
	}

	&.ontario-link--active {
		border-left: $border-width-6 solid colours.$ontario-colour-black;
		background-color: colours.$ontario-greyscale-5;
	}
}

@mixin search-button-interactive-states {
	&:hover {
		background-color: colours.$ontario-colour-link--hover;
		color: colours.$ontario-colour-white;

		svg {
			fill: colours.$ontario-colour-white;
		}
	}

	&:focus {
		outline: none;
		box-shadow: 0 0 0 globalVariables.$global-radius colours.$ontario-colour-focus;
		background-color: colours.$ontario-colour-link--hover;
		color: colours.$ontario-colour-white;

		svg {
			fill: colours.$ontario-colour-white;
		}
	}

	&:active {
		background-color: colours.$ontario-colour-link--active;
		color: colours.$ontario-colour-white;

		svg {
			fill: colours.$ontario-colour-white;
		}
	}
}

// Host styles
:host {
	--header-search-reset: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgZmlsbD0ibm9uZSI+PHBhdGggZD0iTTE5IDYuNEwxNy42IDUgMTIgMTAuNiA2LjQgNSA1IDYuNGw1LjYgNS42TDUgMTcuNiA2LjQgMTlsNS42LTUuNiA1LjYgNS42IDEuNC0xLjQtNS42LTUuNkwxOSA2LjR6IiBmaWxsPSIjMDAwIi8+PC9zdmc+);
}

// Main header component
.ontario-header {
	position: relative;
	overflow: hidden;
	z-index: zIndex.$ontario-z-index-above-high;
	background-color: colours.$ontario-colour-black;
	color: colours.$ontario-colour-white;
	display: flex;
	align-items: center;
	height: $ontario-header-height;

	.ontario-row {
		display: flex;
		align-items: center;
		justify-content: flex-end;
	}

	svg {
		width: spacing.$spacing-6;
		height: spacing.$spacing-6;
		margin-bottom: spacing.$spacing-0;
	}

	&__container {
		position: relative;
		z-index: $ontario-header-z-index;

		@media screen and (min-width: breakpoints.$medium-breakpoint) {
			z-index: zIndex.$ontario-z-index-above-low;
		}
	}

	&__logo-container {
		height: globalVariables.$ontario-logo-height;

		a {
			display: inline-block;
			height: 100%;
			outline: none;

			&:focus {
				box-shadow: 0 0 0 globalVariables.$global-radius colours.$ontario-colour-focus;
			}
		}

		svg,
		img {
			width: $ontario-header-logo-width--mobile;
			height: globalVariables.$ontario-logo-height;

			@media screen and (min-width: breakpoints.$small-breakpoint) {
				width: $ontario-header-logo-width;
			}
		}
	}

	&__nav-right-container {
		display: flex;
		align-items: center;
		justify-content: flex-end;
		gap: spacing.$spacing-4;
	}

	&__icon-container {
		display: flex;
		align-items: center;
		justify-content: center;
		width: spacing.$spacing-5;
		height: spacing.$spacing-5;

		&--white {
			svg {
				fill: white;
				color: white;
			}

			svg path {
				stroke: white;
			}
		}

		&--rotated {
			svg {
				transform: rotate(180deg);
			}
		}

		@media screen and (max-width: breakpoints.$medium-breakpoint) {
			width: spacing.$spacing-6;
			height: spacing.$spacing-6;
		}
	}

	.ontario-header-button--toggled-open {
		background-color: colours.$ontario-greyscale-70;
	}
}

// Header button variants
.ontario-header-button {
	@include header-button-base;

	&--with-outline {
		@extend %ontario-header-button--with-outline;

		&:hover {
			border: $border-width-2 solid colours.$ontario-colour-white;
			color: colours.$ontario-colour-white;
		}

		&:focus {
			background-color: colours.$ontario-greyscale-70;
		}

		@media screen and (max-width: breakpoints.$xsmall-breakpoint) {
			padding: math.div(spacing.$spacing-3, 2);
		}
	}

	&--without-outline {
		@include header-button-hover-focus;
	}

	&--desktop {
		@media screen and (min-width: breakpoints.$medium-breakpoint) {
			background-color: colours.$ontario-colour-black;
			margin-left: spacing.$spacing-4;
			padding: spacing.$spacing-1 spacing.$spacing-1 spacing.$spacing-1 spacing.$spacing-3 !important;
			border: none !important;

			svg {
				margin-left: spacing.$spacing-1;
				margin-right: spacing.$spacing-0 !important;
				width: spacing.$spacing-5 !important;
				height: spacing.$spacing-5 !important;
			}

			@include header-button-hover-focus;

			&.ontario-header-button--with-outline {
				border: none;
			}
		}
	}
}

// Specific header buttons
.ontario-header__menu-toggle {
	padding: math.div(spacing.$spacing-3, 2) spacing.$spacing-4;

	span {
		display: flex;

		@media screen and (max-width: breakpoints.$xsmall-breakpoint) {
			display: none;
		}
	}

	svg {
		margin-right: globalFunctions.px-to-rem(6);
		width: spacing.$spacing-6;
		height: spacing.$spacing-6;
	}

	@media screen and (max-width: breakpoints.$xsmall-breakpoint) {
		padding-left: spacing.$spacing-2;
		padding-right: spacing.$spacing-2;
	}

	@media screen and (max-width: breakpoints.$medium-breakpoint) {
		flex-direction: row-reverse;
		margin-left: spacing.$spacing-0 !important;
	}
}

.ontario-header__language-toggler {
	padding: spacing.$spacing-3;

	abbr[title] {
		text-decoration: none;
	}
}

.ontario-header__search-toggler {
	padding: spacing.$spacing-2 spacing.$spacing-3;
	margin-left: spacing.$spacing-4;
	border: none !important;

	svg {
		@media screen and (min-width: breakpoints.$small-breakpoint) {
			margin-right: spacing.$spacing-1;
		}
	}

	@media screen and (max-width: breakpoints.$medium-breakpoint) {
		margin-left: spacing.$spacing-0;
	}
}

.ontario-header__search-close {
	flex-direction: column-reverse;
	justify-content: center;
	font-weight: fontWeights.$ontario-font-weights-normal;
	margin-right: spacing.$spacing-4;
	padding: math.div(spacing.$spacing-5, 10) spacing.$spacing-1 !important;
	position: relative;
	height: $ontario-header-search-close-height;
	display: none;

	span {
		position: relative;
		top: -3px;
		font-size: spacing.$spacing-4;
		margin-left: spacing.$spacing-0;

		&:last-of-type {
			top: 0;
			height: $ontario-header-search-close-icon-height;
		}

		@media screen and (min-width: $ontario-header-custom-breakpoint) {
			margin-right: spacing.$spacing-1;
		}

		&:hover,
		&:focus {
			outline: none;
			text-decoration: none;
		}
	}

	svg {
		top: 0;
	}

	@media screen and (min-width: breakpoints.$small-breakpoint) {
		flex-direction: row;
		padding: spacing.$spacing-1 spacing.$spacing-2 spacing.$spacing-1 spacing.$spacing-4;
		height: globalVariables.$standard-input-height;

		span {
			top: 0;
		}

		svg {
			position: relative;
			width: spacing.$spacing-7;
			height: spacing.$spacing-7;
		}
	}
}

// Navigation components
.ontario-navigation {
	@extend %ontario-navigation;

	&--open {
		visibility: visible;
		transform: translateY(0);
		transition: transform 0.4s ease-in-out;

		.ontario-navigation__container {
			visibility: visible;
			transform: translateY(0);
			transition: transform 0.4s ease-in-out;

			@media screen and (min-width: breakpoints.$medium-breakpoint) {
				transition: none;
				display: block;
			}
		}
	}

	ul {
		@include navigation-list-styles;
	}

	li {
		@include navigation-item-styles;
	}

	a {
		@include navigation-link-styles;
	}

	&__container {
		&.ontario-navigation--open {
			visibility: visible;
			transform: translateY(0);
			transition: transform 0.4s ease-in-out;

			@media screen and (min-width: breakpoints.$medium-breakpoint) {
				z-index: zIndex.$ontario-z-index-above-high;
			}
		}

		&.ontario-navigation--closed {
			background: colours.$ontario-colour-white;
			position: absolute;
			transform: translateY(-100%);
			transition:
				transform 0.3s ease-in-out,
				visibility 0.1s ease;
			width: 100%;
			visibility: hidden;
			z-index: zIndex.$ontario-z-index-above-high;
		}
	}
}

.ontario-overlay {
	@extend %ontario-overlay;
}

.ontario-icon-container {
	display: flex;
	align-items: center;
}

.ontario-icon-container-reset {
	display: flex;
	align-items: center;

	svg {
		fill: colours.$ontario-colour-black;
	}
}

// Search functionality
.ontario-header__search-container {
	position: relative;
	display: none;

	@media screen and (min-width: breakpoints.$medium-breakpoint) {
		display: flex;
	}

	@media screen and (min-width: breakpoints.$small-breakpoint) {
		padding-right: math.div(2rem, 2);
	}
}

.ontario-input.ontario-header__search-input {
	border-width: 0;
	margin-bottom: spacing.$spacing-0;
	height: globalVariables.$standard-input-height;
	padding-left: spacing.$spacing-3;
	padding-right: $ontario-search-padding;

	&:invalid + input[type='reset'] {
		display: none;
	}

	&:focus {
		& ~ .ontario-header__search-submit {
			background-color: colours.$ontario-colour-link;
			color: colours.$ontario-colour-white;

			svg {
				fill: colours.$ontario-colour-white;
			}

			@include search-button-interactive-states;
		}
	}

	&::-ms-clear {
		display: none;
		width: 0;
		height: 0;
	}

	&:invalid:focus {
		box-shadow: focusPlaceholders.$ontario-focus-box-shadow;
		-moz-box-shadow: none;
	}

	&:invalid:not(:focus) {
		box-shadow: none;
		-moz-box-shadow: none;
	}

	@media screen and (min-width: breakpoints.$small-breakpoint) and (max-width: breakpoints.$medium-breakpoint) {
		padding-left: spacing.$spacing-4;
		padding-right: $ontario-search-padding--mobile;
	}
}

.ontario-header__search-submit {
	border: 0;
	border-radius: 0 3px 3px 0;
	background-color: colours.$ontario-greyscale-5;
	color: colours.$ontario-colour-black;
	display: flex;
	justify-content: center;
	align-items: center;
	font-family: fonts.$ontario-font-open-sans;
	font-weight: fontWeights.$ontario-font-weights-semi-bold;
	font-size: $font-size-18;
	height: 100%;
	line-height: lineHeights.$ontario-line-height-8;
	position: absolute;
	right: spacing.$spacing-4;
	top: spacing.$spacing-0;
	cursor: pointer;
	padding-left: spacing.$spacing-3;
	padding-right: spacing.$spacing-3;

	svg {
		fill: colours.$ontario-colour-black;
		margin-right: spacing.$spacing-0;
	}

	@include search-button-interactive-states;
}

input[type='reset'].ontario-header__search-reset {
	position: absolute;
	display: flex;
	align-items: center;
	top: 11px;
	right: 80px;
	height: 28px;
	width: 28px;
	color: colours.$ontario-colour-black;
	margin: spacing.$spacing-0;
	padding: spacing.$spacing-2;
	background-image: var(--header-search-reset);
	background-position: center center;
	background-repeat: no-repeat;
	background-color: transparent;
	outline: none;
	border: none;
	cursor: pointer;

	&:focus {
		box-shadow: 0 0 0 globalVariables.$global-radius colours.$ontario-colour-focus;
	}
}

.ontario-header__search-close-container {
	display: none;
	justify-content: flex-end;
	padding-right: 0;

	@media screen and (max-width: breakpoints.$small-breakpoint) {
		width: auto;
		padding-left: 0;
		padding-right: 0;
	}
}

// Search open state
.ontario-header--search-open {
	.ontario-header__search-close {
		@media screen and (min-width: breakpoints.$medium-breakpoint) {
			display: none;
		}
	}

	@media screen and (max-width: breakpoints.$medium-breakpoint) {
		.ontario-header__logo-container,
		.ontario-header__nav-right-container {
			display: none;
		}

		.ontario-header__search-close-container,
		.ontario-header__search-container,
		.ontario-header__search-close {
			display: flex;
		}
	}
}

.ontario-header__menu-toggle-content {
	display: flex;
	align-items: center;
}

.ontario-header-navigation__menu-item {
	@include navigation-item-styles;
}