class DesktopAnnouncementsFeed extends Shadow {
    constructor(announcements, selectedId, searchText, onSelect, onSearch) {
        super()
        this.announcements = announcements
        this.selectedId = selectedId
        this.searchText = searchText
        this.onSelect = onSelect
        this.onSearch = onSearch
    }

    render() {
        VStack(() => {
            // Search bar
            HStack(() => {
                p("🔍")
                    .margin(0).fontSize(0.78, em).opacity(0.38).flexShrink(0)
                input()
                    .attr({ type: "text", placeholder: "Search announcements…", value: this.searchText })
                    .flex(1).border("none").outline("none").background("transparent")
                    .color("var(--headertext)").fontSize(0.85, em)
                    .onInput((e) => this.onSearch(e.target.value))
            })
            .gap(0.5, em).paddingHorizontal(0.85, em).paddingVertical(0.58, em)
            .background("var(--darkaccent)").border("1px solid var(--divider)")
            .borderRadius(0.5, em).alignItems("center")
            .marginHorizontal(0.75, em).marginTop(0.75, em).marginBottom(0.5, em)
            .flexShrink(0)

            // Count
            p(`${this.announcements.length} announcement${this.announcements.length !== 1 ? "s" : ""}`)
                .margin(0).paddingHorizontal(1.1, em).paddingBottom(0.35, em)
                .fontSize(0.68, em).fontWeight("700").letterSpacing("0.05em")
                .color("var(--headertext)").opacity(0.32)
                .flexShrink(0)

            // List
            VStack(() => {
                if (this.announcements.length === 0) {
                    VStack(() => {
                        p(this.searchText ? "No results" : "No announcements yet")
                            .margin(0).fontSize(0.85, em)
                            .color("var(--headertext)").opacity(0.32).textAlign("center")
                    })
                    .flex(1).justifyContent("center").alignItems("center").paddingTop(3, em)
                } else {
                    this.announcements.forEach(ann => this.renderRow(ann))
                }
            })
            .flex(1).overflowY("auto").gap(0).paddingBottom(0.75, em)
        })
        .height(100, pct).width(100, pct).boxSizing("border-box")
    }

    renderRow(ann) {
        const isSelected = ann.id === this.selectedId
        const isEdited = ann.created !== ann.updated_at
        const isMe = ann.creator_id === global.profile.id
        const author = this.getAuthor(ann.creator_id)
        const authorName = isMe ? "You" : author
        const initials = this.getInitials(ann.creator_id)

        VStack(() => {
            HStack(() => {
                // Avatar
                VStack(() => {
                    p(initials)
                        .margin(0).fontSize(0.6, em).fontWeight("700")
                        .color("white").lineHeight("1")
                })
                .width(2.1, em).height(2.1, em).borderRadius(50, pct)
                .background(this.avatarColor(author))
                .justifyContent("center").alignItems("center").flexShrink(0)

                VStack(() => {
                    // Author + date
                    HStack(() => {
                        p(authorName)
                            .margin(0).fontSize(0.8, em).fontWeight("600")
                            .color(isMe ? "var(--quillred)" : "var(--headertext)")
                            .flex(1).minWidth(0)
                            .overflow("hidden").whiteSpace("nowrap").textOverflow("ellipsis")
                        p(this.relativeDate(ann.created))
                            .margin(0).fontSize(0.68, em)
                            .color("var(--headertext)").opacity(0.38).flexShrink(0)
                    })
                    .alignItems("center").gap(0.4, em)

                    // Preview text
                    p(ann.text)
                        .margin(0).marginTop(0.12, em).fontSize(0.78, em)
                        .color("var(--headertext)")
                        .opacity(isSelected ? 0.75 : 0.45)
                        .overflow("hidden").whiteSpace("nowrap").textOverflow("ellipsis")
                        .lineHeight("1.4")
                })
                .flex(1).minWidth(0)
            })
            .gap(0.62, em).alignItems("flex-start")

            if (isEdited) {
                p("edited")
                    .margin(0).marginTop(0.3, em)
                    .fontSize(0.62, em).fontStyle("italic")
                    .color("var(--headertext)").opacity(0.28)
                    .alignSelf("flex-end")
            }
        })
        .paddingHorizontal(0.85, em).paddingVertical(0.7, em)
        .marginHorizontal(0.4, em)
        .borderRadius(0.55, em)
        .background(isSelected ? "var(--accent)" : "transparent")
        .cursor("pointer")
        .width("calc(100% - 0.8em)").boxSizing("border-box")
        .onClick((done) => {
            if(done) this.onSelect(ann.id)
        })
    }

    getAuthor(creatorId) {
        const members = global.currentNetwork.data?.members || []
        const m = members.find(m => m.id === creatorId)
        return m ? `${m.first_name} ${m.last_name}` : "Unknown"
    }

    getInitials(creatorId) {
        const members = global.currentNetwork.data?.members || []
        const m = members.find(m => m.id === creatorId)
        if (!m) return "?"
        return [m.first_name?.[0], m.last_name?.[0]].filter(Boolean).join("").toUpperCase()
    }

    relativeDate(raw) {
        const d = new Date(raw)
        const diff = Date.now() - d
        const mins = Math.floor(diff / 60000)
        const hours = Math.floor(diff / 3600000)
        const days = Math.floor(diff / 86400000)
        if (mins < 1)   return "just now"
        if (mins < 60)  return `${mins}m ago`
        if (hours < 24) return `${hours}h ago`
        if (days === 1) return "yesterday"
        if (days < 7)   return `${days}d ago`
        return d.toLocaleDateString([], { month: "short", day: "numeric" })
    }

    avatarColor(name) {
        const colors = ["#3b82f6", "#ef4444", "#10b981", "#f59e0b", "#8b5cf6", "#ec4899", "#06b6d4", "#84cc16"]
        let hash = 0
        for (let i = 0; i < (name || "").length; i++) hash = name.charCodeAt(i) + ((hash << 5) - hash)
        return colors[Math.abs(hash) % colors.length]
    }
}

register(DesktopAnnouncementsFeed)