import BaseUIElement from "../BaseUIElement"
import { UIEventSource } from "../../Logic/UIEventSource"
import Combine from "./Combine"
import Title from "./Title"
import Hash from "../../Logic/Web/Hash"

export class Accordeon extends Combine {
    constructor(toggles: Toggleable[]) {
        for (const el of toggles) {
            el.isVisible.addCallbackAndRun((isVisible) =>
                toggles.forEach((toggle) => {
                    if (toggle !== el && isVisible) {
                        toggle.isVisible.setData(false)
                    }
                })
            )
        }

        super(toggles)
    }
}

export default class Toggleable extends Combine {
    public readonly isVisible = new UIEventSource(false)

    constructor(
        title: Title | Combine | BaseUIElement,
        content: BaseUIElement,
        options?: {
            closeOnClick?: true | boolean
            height?: "100vh" | string
        }
    ) {
        super([title, content])
        content.SetClass("animate-height border-l-4 pl-2 block")
        title.SetClass("background-subtle rounded-lg")
        const self = this
        this.onClick(() => {
            if (self.isVisible.data) {
                if (options?.closeOnClick ?? true) {
                    self.isVisible.setData(false)
                }
            } else {
                self.isVisible.setData(true)
            }
        })
        const contentElement = content.ConstructElement()

        if (title instanceof Combine) {
            for (const el of title.getElements()) {
                if (el instanceof Title) {
                    title = el
                    break
                }
            }
        }

        if (title instanceof Title) {
            Hash.hash.addCallbackAndRun((h) => {
                if (h === (<Title>title).id) {
                    self.isVisible.setData(true)
                    content.RemoveClass("border-gray-300")
                    content.SetClass("border-red-300")
                } else {
                    content.SetClass("border-gray-300")
                    content.RemoveClass("border-red-300")
                }
            })
            this.isVisible.addCallbackAndRun((isVis) => {
                if (isVis) {
                    Hash.hash.setData((<Title>title).id)
                }
            })
        }

        this.isVisible.addCallbackAndRun((isVisible) => {
            if (isVisible) {
                contentElement.style.maxHeight = options?.height ?? "100vh"
                contentElement.style.overflowY = "auto"
                contentElement.style["-webkit-mask-image"] = "unset"
            } else {
                contentElement.style["-webkit-mask-image"] =
                    "-webkit-gradient(linear, left top, left bottom, from(rgba(0,0,0,1)), to(rgba(0,0,0,0)))"
                contentElement.style.maxHeight = "2rem"
            }
        })
    }

    public Collapse(): Toggleable {
        this.isVisible.setData(false)
        return this
    }
}