import "./DesktopAnnouncementsFeed.js"
import "./DesktopAnnouncementsViewer.js"
import server from "/@server/server.js"

css(`
    announcements- {
        font-family: 'Arial';
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    announcements- input::placeholder {
        color: var(--headertext);
        opacity: 0.35;
    }
    announcements- textarea::placeholder {
        color: var(--headertext);
        opacity: 0.3;
    }
`)

class Announcements extends Shadow {
    announcements = []
    selectedId = null
    searchText = ""

    get canPost()   { return global.currentNetwork.permissions.includes("announcements.add") }
    get canEdit()   { return global.currentNetwork.permissions.includes("announcements.edit") }
    get canDelete() { return global.currentNetwork.permissions.includes("announcements.delete") }

    get filtered() {
        if (!this.searchText) return this.announcements
        const q = this.searchText.toLowerCase()
        return this.announcements.filter(a => a.text.toLowerCase().includes(q))
    }

    get selectedAnnouncement() {
        return this.announcements.find(a => a.id === this.selectedId) || null
    }

    render() {
        HStack(() => {
            // ── Left: feed list ───────────────────────────────────────
            VStack(() => {
                // Toolbar
                HStack(() => {
                    p("Announcements")
                        .fontFamily("Laandbrau")
                        .margin(0).fontSize(1.8, em).fontWeight("700").color("var(--headertext)")
                        .flex(1)

                    if (this.canPost) {
                        button("+ New")
                            .paddingHorizontal(0.85, em).paddingVertical(0.42, em)
                            .background("var(--quillred)").border("none")
                            .borderRadius(0.45, em).color("white")
                            .fontSize(0.82, em).fontWeight("600").cursor("pointer")
                            .onClick((done) => {
                                // Tell the viewer to open compose mode
                                if(done) {
                                    this.selectedId = null
                                    this._openCompose = true
                                    this.rerender()
                                }
                            })
                    }
                })
                .paddingHorizontal(1.1, em).paddingTop(1.1, em).paddingBottom(0.35, em)
                .alignItems("center").flexShrink(0)

                DesktopAnnouncementsFeed(
                    this.filtered,
                    this.selectedId,
                    this.searchText,
                    (id) => {
                        this.selectedId = id
                        this._openCompose = false
                        this.rerender()
                    },
                    (text) => {
                        this.searchText = text
                        this.rerender()
                    }
                )
                .flex(1).minHeight(0).overflow("hidden")
            })
            .width(320, px).minWidth(280, px)
            .height(100, pct)
            .borderRight("1px solid var(--divider)")
            .background("var(--main)")
            .flexShrink(0).overflow("hidden")

            // ── Right: viewer / composer ──────────────────────────────
            VStack(() => {
                const viewer = DesktopAnnouncementsViewer(
                    this.selectedAnnouncement,
                    this.canPost,
                    this.canEdit,
                    this.canDelete,
                    // onNew
                    (ann) => {
                        this.announcements.unshift(ann)
                        if (global.currentNetwork.data?.announcements) {
                            global.currentNetwork.data.announcements.unshift(ann)
                        }
                        this.selectedId = ann.id
                        this._openCompose = false
                        this.rerender()
                        window.dispatchEvent(new CustomEvent("new-announcement", { detail: { announcement: ann } }))
                    },
                    // onEdited
                    (ann) => {
                        const i = this.announcements.findIndex(a => a.id === ann.id)
                        if (i !== -1) this.announcements[i] = ann
                        if (global.currentNetwork.data?.announcements) {
                            const gi = global.currentNetwork.data.announcements.findIndex(a => a.id === ann.id)
                            if (gi !== -1) global.currentNetwork.data.announcements[gi] = ann
                        }
                        this.selectedId = ann.id
                        this.rerender()
                        window.dispatchEvent(new CustomEvent("edited-announcement", { detail: ann }))
                    },
                    // onDeleted
                    (id) => {
                        this.announcements = this.announcements.filter(a => a.id !== id)
                        if (global.currentNetwork.data?.announcements) {
                            global.currentNetwork.data.announcements = global.currentNetwork.data.announcements.filter(a => a.id !== id)
                        }
                        this.selectedId = null
                        this.rerender()
                        window.dispatchEvent(new CustomEvent("deleted-announcement", { detail: { id } }))
                    }
                )

                // If the "New" button was pressed, trigger compose mode immediately
                if (this._openCompose && viewer) {
                    viewer.composing = true
                    this._openCompose = false
                }
            })
            .flex(1).height(100, pct).background("var(--main)").overflow("hidden")
        })
        .height(100, pct).width(100, pct).overflow("hidden")
        .onAppear(async () => {
            const res = await server.getAnnouncements(global.currentNetwork.id)
            const data = Array.isArray(res) ? res : (res?.data || [])
            if (data.length !== this.announcements.length) {
                this.announcements = data.sort((a, b) => new Date(b.created) - new Date(a.created))
                if (global.currentNetwork.data) {
                    global.currentNetwork.data.announcements = this.announcements
                }
                if (!this.selectedId && this.announcements.length) {
                    this.selectedId = this.announcements[0].id
                }
                this.rerender()
            }
        })
        .onEvent("new-announcement", (e) => {
            const ann = e.detail.announcement
            if (!this.announcements.find(a => a.id === ann.id)) {
                this.announcements.unshift(ann)
                this.rerender()
            }
        })
        .onEvent("deleted-announcement", (e) => {
            const id = e.detail.id
            if (this.selectedId === id) this.selectedId = null
            this.announcements = this.announcements.filter(a => a.id !== id)
            this.rerender()
        })
        .onEvent("edited-announcement", (e) => {
            const ann = e.detail
            const i = this.announcements.findIndex(a => a.id === ann.id)
            if (i !== -1) { this.announcements[i] = ann; this.rerender() }
        })
    }
}

register(Announcements)