<script>
import { loadBaseStyle } from 'primevue/base';
import { useStyle } from 'primevue/usestyle';
import { ObjectUtils } from 'primevue/utils';
import { mergeProps } from 'vue';

const inlineStyles = {};

const buttonStyles = `
.p-button {
    display: inline-flex;
    cursor: pointer;
    user-select: none;
    align-items: center;
    vertical-align: bottom;
    text-align: center;
    overflow: hidden;
    position: relative;
}

.p-button-label {
    flex: 1 1 auto;
}

.p-button-icon-right {
    order: 1;
}

.p-button:disabled {
    cursor: default;
}

.p-button-icon-only {
    justify-content: center;
}

.p-button-icon-only .p-button-label {
    visibility: hidden;
    width: 0;
    flex: 0 0 auto;
}

.p-button-vertical {
    flex-direction: column;
}

.p-button-icon-bottom {
    order: 2;
}

.p-buttonset .p-button {
    margin: 0;
}

.p-buttonset .p-button:not(:last-child) {
    border-right: 0 none;
}

.p-buttonset .p-button:not(:first-of-type):not(:last-of-type) {
    border-radius: 0;
}

.p-buttonset .p-button:first-of-type {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.p-buttonset .p-button:last-of-type {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.p-buttonset .p-button:focus {
    position: relative;
    z-index: 1;
}
`;
const checkboxStyles = `
.p-checkbox {
    display: inline-flex;
    cursor: pointer;
    user-select: none;
    vertical-align: bottom;
    position: relative;
}

.p-checkbox.p-checkbox-disabled {
    cursor: default;
}

.p-checkbox-box {
    display: flex;
    justify-content: center;
    align-items: center;
}
`;
const inputTextStyles = `
.p-fluid .p-inputtext {
    width: 100%;
}

/* InputGroup */
.p-inputgroup {
    display: flex;
    align-items: stretch;
    width: 100%;
}

.p-inputgroup-addon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.p-inputgroup .p-float-label {
    display: flex;
    align-items: stretch;
    width: 100%;
}

.p-inputgroup .p-inputtext,
.p-fluid .p-inputgroup .p-inputtext,
.p-inputgroup .p-inputwrapper,
.p-fluid .p-inputgroup .p-input {
    flex: 1 1 auto;
    width: 1%;
}

/* Floating Label */
.p-float-label {
    display: block;
    position: relative;
}

.p-float-label label {
    position: absolute;
    pointer-events: none;
    top: 50%;
    margin-top: -.5rem;
    transition-property: all;
    transition-timing-function: ease;
    line-height: 1;
}

.p-float-label textarea ~ label {
    top: 1rem;
}

.p-float-label input:focus ~ label,
.p-float-label input.p-filled ~ label,
.p-float-label textarea:focus ~ label,
.p-float-label textarea.p-filled ~ label,
.p-float-label .p-inputwrapper-focus ~ label,
.p-float-label .p-inputwrapper-filled ~ label {
    top: -.75rem;
    font-size: 12px;
}

.p-float-label .input:-webkit-autofill ~ label {
    top: -20px;
    font-size: 12px;
}

.p-float-label .p-placeholder,
.p-float-label input::placeholder,
.p-float-label .p-inputtext::placeholder {
    opacity: 0;
    transition-property: all;
    transition-timing-function: ease;
}

.p-float-label .p-focus .p-placeholder,
.p-float-label input:focus::placeholder,
.p-float-label .p-inputtext:focus::placeholder {
    opacity: 1;
    transition-property: all;
    transition-timing-function: ease;
}

.p-input-icon-left,
.p-input-icon-right {
    position: relative;
    display: inline-block;
}

.p-input-icon-left > i,
.p-input-icon-left > svg,
.p-input-icon-right > i,
.p-input-icon-right > svg {
    position: absolute;
    top: 50%;
    margin-top: -.5rem;
}

.p-fluid .p-input-icon-left,
.p-fluid .p-input-icon-right {
    display: block;
    width: 100%;
}
`;
const radioButtonStyles = `
.p-radiobutton {
    position: relative;
    display: inline-flex;
    cursor: pointer;
    user-select: none;
    vertical-align: bottom;
}

.p-radiobutton.p-radiobutton-disabled {
    cursor: default;
}

.p-radiobutton-box {
    display: flex;
    justify-content: center;
    align-items: center;
}

.p-radiobutton-icon {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0) scale(.1);
    border-radius: 50%;
    visibility: hidden;
}

.p-radiobutton-box.p-highlight .p-radiobutton-icon {
    transform: translateZ(0) scale(1.0, 1.0);
    visibility: visible;
}
`;
const styles = `
.p-component, .p-component * {
    box-sizing: border-box;
}

.p-hidden-space {
    visibility: hidden;
}

.p-reset {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    text-decoration: none;
    font-size: 100%;
    list-style: none;
}

.p-disabled, .p-disabled * {
    cursor: default !important;
    pointer-events: none;
    user-select: none;
}

.p-component-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.p-unselectable-text {
    user-select: none;
}

.p-sr-only {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.p-link {
	text-align: left;
	background-color: transparent;
	margin: 0;
	padding: 0;
	border: none;
    cursor: pointer;
    user-select: none;
}

.p-link:disabled {
	cursor: default;
}

/* Non vue overlay animations */
.p-connected-overlay {
    opacity: 0;
    transform: scaleY(0.8);
    transition: transform .12s cubic-bezier(0, 0, 0.2, 1), opacity .12s cubic-bezier(0, 0, 0.2, 1);
}

.p-connected-overlay-visible {
    opacity: 1;
    transform: scaleY(1);
}

.p-connected-overlay-hidden {
    opacity: 0;
    transform: scaleY(1);
    transition: opacity .1s linear;
}

/* Vue based overlay animations */
.p-connected-overlay-enter-from {
    opacity: 0;
    transform: scaleY(0.8);
}

.p-connected-overlay-leave-to {
    opacity: 0;
}

.p-connected-overlay-enter-active {
    transition: transform .12s cubic-bezier(0, 0, 0.2, 1), opacity .12s cubic-bezier(0, 0, 0.2, 1);
}

.p-connected-overlay-leave-active {
    transition: opacity .1s linear;
}

/* Toggleable Content */
.p-toggleable-content-enter-from,
.p-toggleable-content-leave-to {
    max-height: 0;
}

.p-toggleable-content-enter-to,
.p-toggleable-content-leave-from {
    max-height: 1000px;
}

.p-toggleable-content-leave-active {
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0, 1, 0, 1);
}

.p-toggleable-content-enter-active {
    overflow: hidden;
    transition: max-height 1s ease-in-out;
}
${buttonStyles}
${checkboxStyles}
${inputTextStyles}
${radioButtonStyles}
`;

const { load: loadStyle } = useStyle(styles, { name: 'common', manual: true });

export default {
    name: 'BaseComponent',
    props: {
        pt: {
            type: Object,
            default: undefined
        },
        unstyled: {
            type: Boolean,
            default: undefined
        }
    },
    inject: {
        $parentInstance: {
            default: undefined
        }
    },
    watch: {
        isUnstyled: {
            immediate: true,
            handler(newValue) {
                if (!newValue) {
                    loadStyle();
                    this.$options.css && this.$css.loadStyle();
                }
            }
        }
    },
    beforeCreate() {
        this.pt?.hooks?.['onBeforeCreate']?.();
        this.$primevue?.config?.pt?.[this.$.type.name]?.hooks?.['onBeforeCreate']?.();
    },
    created() {
        this._hook('onCreated');
    },
    beforeMount() {
        loadBaseStyle();
        this._hook('onBeforeMount');
    },
    mounted() {
        this._hook('onMounted');
    },
    beforeUpdate() {
        this._hook('onBeforeUpdate');
    },
    updated() {
        this._hook('onUpdated');
    },
    beforeUnmount() {
        this._hook('onBeforeUnmount');
    },
    unmounted() {
        this._hook('onUnmounted');
    },
    methods: {
        _hook(hookName) {
            const selfHook = this._getOptionValue(this.pt, `hooks.${hookName}`);
            const globalHook = this._getOptionValue(this.globalPT, `hooks.${hookName}`);

            selfHook?.();
            globalHook?.();
        },
        _getHostInstance(instance) {
            return instance ? (this.$options.hostName ? (instance.$.type.name === this.$options.hostName ? instance : this._getHostInstance(instance.$parentInstance)) : instance.$parentInstance) : undefined;
        },
        _getOptionValue(options, key = '', params = {}) {
            const fKeys = ObjectUtils.toFlatCase(key).split('.');
            const fKey = fKeys.shift();

            return fKey
                ? ObjectUtils.isObject(options)
                    ? this._getOptionValue(ObjectUtils.getItemValue(options[Object.keys(options).find((k) => ObjectUtils.toFlatCase(k) === fKey) || ''], params), fKeys.join('.'), params)
                    : undefined
                : ObjectUtils.getItemValue(options, params);
        },
        _getPTValue(obj = {}, key = '', params = {}, searchInDefaultPT = true) {
            const getValue = (...args) => {
                const value = this._getOptionValue(...args);

                return ObjectUtils.isString(value) ? { class: value } : value;
            };

            const datasetPrefix = 'data-pc-';
            const self = getValue(obj, key, params);
            const globalPT = searchInDefaultPT ? (/./g.test(key) && !!params[key.split('.')[0]] ? getValue(this.globalPT, key, params) : getValue(this.defaultPT, key, params)) : undefined;
            const merged = mergeProps(self, globalPT, {
                ...(key === 'root' && { [`${datasetPrefix}name`]: ObjectUtils.toFlatCase(this.$.type.name) }),
                [`${datasetPrefix}section`]: ObjectUtils.toFlatCase(key)
            });

            return merged;
            /*
             * @todo: The 'class' option in self can always be more powerful to style the component easily.
             *
             * return self && self['class'] ? { ...merged, ...{ class: self['class'] } } : merged;
             */
        },
        ptm(key = '', params = {}) {
            return this._getPTValue(this.pt, key, { instance: this, props: this.$props, state: this.$data, ...params });
        },
        ptmo(obj = {}, key = '', params = {}) {
            return this._getPTValue(obj, key, { instance: this, ...params }, false);
        },
        cx(key = '', params = {}) {
            return !this.isUnstyled ? this._getOptionValue(this.$css.classes, key, { instance: this, props: this.$props, state: this.$data, parentInstance: this.$parentInstance, ...params }) : undefined;
        },
        sx(key = '', when = true, params = {}) {
            if (when) {
                const self = this._getOptionValue(this.$css.inlineStyles, key, { instance: this, props: this.$props, state: this.$data, parentInstance: this.$parentInstance, ...params });
                const base = this._getOptionValue(inlineStyles, key, { instance: this, props: this.$props, state: this.$data, parentInstance: this.$parentInstance, ...params });

                return [base, self];
            }

            return undefined;
        }
    },
    computed: {
        globalPT() {
            return ObjectUtils.getItemValue(this.$primevue.config.pt, { instance: this });
        },
        defaultPT() {
            return this._getOptionValue(this.$primevue.config.pt, this.$options.hostName || this.$.type.name, { instance: this }) || this.globalPT;
        },
        isUnstyled() {
            return this.unstyled !== undefined ? this.unstyled : this.$primevue.config.unstyled;
        },
        $css() {
            return { classes: undefined, inlineStyles: undefined, loadStyle: () => {}, ...(this._getHostInstance(this) || {}).$css, ...this.$options.css };
        }
    }
};
</script>
