export type ThinkingPartType = "thinking" | "redacted_thinking" | "reasoning"
export type MetaPartType = "step-start" | "step-finish"
export type ContentPartType = "text" | "tool" | "tool_use" | "tool_result"

export interface StoredMessageMeta {
  id: string
  sessionID: string
  role: "user" | "assistant"
  parentID?: string
  time?: {
    created: number
    completed?: number
  }
  error?: unknown
}

export interface StoredTextPart {
  id: string
  sessionID: string
  messageID: string
  type: "text"
  text: string
  synthetic?: boolean
  ignored?: boolean
}

export interface StoredToolPart {
  id: string
  sessionID: string
  messageID: string
  type: "tool"
  callID: string
  tool: string
  state: {
    status: "pending" | "running" | "completed" | "error"
    input: Record<string, unknown>
    output?: string
    error?: string
  }
}

export interface StoredReasoningPart {
  id: string
  sessionID: string
  messageID: string
  type: "reasoning"
  text: string
}

export interface StoredStepPart {
  id: string
  sessionID: string
  messageID: string
  type: "step-start" | "step-finish"
}

export type StoredPart = StoredTextPart | StoredToolPart | StoredReasoningPart | StoredStepPart | {
  id: string
  sessionID: string
  messageID: string
  type: string
  [key: string]: unknown
}

export interface MessageData {
  info?: {
    id?: string
    role?: string
    sessionID?: string
    parentID?: string
    error?: unknown
  }
  parts?: Array<{
    type: string
    id?: string
    text?: string
    thinking?: string
    name?: string
    input?: Record<string, unknown>
    callID?: string
  }>
}
