import type { Plugin, ToolDefinition } from "@opencode-ai/plugin"

export type PluginContext = Parameters<Plugin>[0]
export type PluginInstance = Awaited<ReturnType<Plugin>>

type ChatHeadersHook = PluginInstance extends { "chat.headers"?: infer T }
  ? T
  : (input: unknown, output: unknown) => Promise<void>

export type PluginInterface = Omit<
  PluginInstance,
  "experimental.session.compacting" | "chat.headers"
> & {
  "chat.headers"?: ChatHeadersHook
}

export type ToolsRecord = Record<string, ToolDefinition>

export type TmuxConfig = {
  enabled: boolean
  layout: "main-horizontal" | "main-vertical" | "tiled" | "even-horizontal" | "even-vertical"
  main_pane_size: number
  main_pane_min_width: number
  agent_pane_min_width: number
  isolation: "inline" | "window" | "session"
}