import apiClient from "../client"

export interface GenerateCoverTitleConfig {
  text?: string
  font?: string
  font_size?: number
  font_color?: string
  position?: string
  bold?: boolean
  italic?: boolean
  stroke?: boolean | { enabled?: boolean; width?: number; color?: string }
  shadow?:
    | boolean
    | { enabled?: boolean; offset_x?: number; offset_y?: number; blur?: number; color?: string }
  line_height?: number
  margin_top?: number
  max_chars_per_line?: number
  background?: { enabled?: boolean; color?: string; padding?: number; radius?: number }
  line_overrides?: Array<Record<string, unknown>>
  cover_title_config?: Record<string, unknown>
  pos_x?: number
  pos_y?: number
}

export interface GenerateCoverRequest {
  /**
   * 封面源视频标识（二选一）：
   * - generated_video_id：确认生成任务产出的最终视频 ID
   * - video_url：最终视频 URL（兜底）
   * 后端根据此标识定位最终成片文件并抽帧，MediaKit 选帧逻辑不变
   */
  generated_video_id?: string
  video_url?: string
  cover_type?: "ai_frame" | "manual" | "upload" | "ai_regenerate"
  frame_time?: number
  /** 标题样式，用于在封面上叠加标题文字 */
  title_config?: GenerateCoverTitleConfig
}

export interface GenerateCoverResponse {
  plan_id: string
  cover: {
    scheme?: string
    asset_id?: string
    frame_time?: number
    image_url?: string
    thumbnail_url?: string
    [key: string]: unknown
  }
}

/** AI 生成封面 — 从最终成片中抽帧（MediaKit 选帧） */
export async function generateCover(
  templateId: string,
  data: GenerateCoverRequest,
): Promise<GenerateCoverResponse> {
  const response = await apiClient.post<GenerateCoverResponse>("/generation/generate-cover", data, {
    timeout: 300000,
    params: { template_id: templateId },
  })
  return response.data
}