import { UIEventSource } from "../../Logic/UIEventSource"
import { Review } from "../../Logic/Web/Review"
import Combine from "../Base/Combine"
import Translations from "../i18n/Translations"
import SingleReview from "./SingleReview"
import BaseUIElement from "../BaseUIElement"
import Img from "../Base/Img"
import { VariableUiElement } from "../Base/VariableUIElement"
import Link from "../Base/Link"

/**
 * Shows the reviews and scoring base on mangrove.reviews
 * The middle element is some other component shown in the middle, e.g. the review input element
 */
export default class ReviewElement extends VariableUiElement {
    constructor(subject: string, reviews: UIEventSource<Review[]>, middleElement: BaseUIElement) {
        super(
            reviews.map((revs) => {
                const elements = []
                revs.sort((a, b) => b.date.getTime() - a.date.getTime()) // Sort with most recent first
                const avg =
                    revs.map((review) => review.rating).reduce((a, b) => a + b, 0) / revs.length
                elements.push(
                    new Combine([
                        SingleReview.GenStars(avg),
                        new Link(
                            revs.length === 1
                                ? Translations.t.reviews.title_singular.Clone()
                                : Translations.t.reviews.title.Subs({ count: "" + revs.length }),
                            `https://mangrove.reviews/search?sub=${encodeURIComponent(subject)}`,
                            true
                        ),
                    ]).SetClass("font-2xl flex justify-between items-center pl-2 pr-2")
                )

                elements.push(middleElement)

                elements.push(...revs.map((review) => new SingleReview(review)))
                elements.push(
                    new Combine([
                        Translations.t.reviews.attribution.Clone(),
                        new Img("./assets/mangrove_logo.png"),
                    ]).SetClass("review-attribution")
                )

                return new Combine(elements).SetClass("block")
            })
        )
    }
}