dependencies {
    implementation("io.github.nadeemiqbal:prompt-bar:0.1.0")
}

@Composable
fun ChatScreen(vm: ChatViewModel) {
    val state = rememberPromptBarState()
    PromptBar(
        state = state,
        onSend = { vm.send(state.outgoing) },
        onStop = { vm.cancelStream() },
        onVoiceTap = { vm.startVoiceInput() },

        // Optional: slash commands
        slashCommands = listOf(
            SlashCommand("clear", "Clear conversation") { vm.clear() },
            SlashCommand("imagine", "Generate an image", hotkey = "Cmd+I"),
        ),

        // Optional: @-mention provider (sync or async)
        mentionProvider = MentionProvider.fromList(vm.workspaceMentions),

        // Optional: quick-start templates above the input
        templates = listOf(
            PromptTemplate("Summarize", "Please summarize this conversation."),
            PromptTemplate("Explain code", "Explain what this code does:\n```\n\n```"),
        ),

        // Optional: inline model picker on the bottom bar
        modelSelector = { ModelDropdown(state) },
    )
}

val typewriterState = rememberStreamingTypewriterState()
val promptState = rememberPromptBarState()

// Send → Stop transitions sync automatically with typewriter streaming state.
LaunchedEffect(typewriterState.isStreaming) {
    if (typewriterState.isStreaming) promptState.markStreaming() else promptState.markReady()
}

val state = PromptBarState()
state.fieldValue = TextFieldValue("Hello")
state.addAttachment(PromptAttachment("a1", "report.pdf", AttachmentPreview.File("pdf")))
state.markStreaming()   // Send button becomes Stop
state.markReady()       // back to derived state
state.applyTemplate(PromptTemplate("Summarize", "Please summarize."))
state.pasteTokensAsAttachments(clipboardText) { tok ->
    PromptAttachment(id = tok, displayName = tok, preview = AttachmentPreview.File("eml"))
}
val outgoing: PromptBarOutgoing = state.outgoing  // text + attachments + model

SlashCommand(
    name = "code",
    description = "Switch to coding mode",
    hotkey = "Cmd+K",                                  // shown as a chip in the suggestion
    onSelect = { vm.toggleCodingMode() },
)

// Static list — case-insensitive substring match.
mentionProvider = MentionProvider.fromList(workspace.files.map {
    Mention(id = it.path, display = it.name, subtitle = it.path, category = "File")
})

// Async — call your DB/API.
mentionProvider = MentionProvider { query -> repository.suggestMentions(query) }