prompt

type ConvertOptions struct {
	// Prompt is the standardized prompt to convert.
	Prompt StandardizedPrompt

	// SupportedURLs maps media types to patterns of supported URLs.
	SupportedURLs SupportedURLs

	// Download is the function to download assets.
	// If nil, defaults to DefaultDownload.
	Download DownloadFunc
}

type DownloadFunc func(ctx context.Context, plans []DownloadPlan) []*DownloadedAsset

type DownloadPlan struct {
	URL                   *url.URL
	IsURLSupportedByModel bool
}

type DownloadedAsset struct {
	Data      []byte
	MediaType string
}

type LanguageModelMessage struct {
	Role            string
	Content         any // string or []LanguageModelPart
	ProviderOptions map[string]any
}

type LanguageModelPart struct {
	Type string

	// For text parts
	Text string

	// For file parts
	Data      any // []byte | string (base64) | *url.URL
	MediaType string
	Filename  string

	// For tool-call parts
	ToolCallID       string
	ToolName         string
	Input            any
	ProviderExecuted bool

	// For tool-result parts
	// ToolCallID and ToolName are reused
	Output any

	// For tool-approval-response parts
	ApprovalID string
	Approved   bool
	Reason     string

	// Provider options
	ProviderOptions map[string]any
}

type StandardizedPrompt struct {
	// System is the system message(s).
	System any // string | SystemMessage | []SystemMessage

	// Messages are the conversation messages.
	Messages []message.Message
}

type SupportedURLs map[string][]*regexp.Regexp

type SystemMessage struct {
	Content         string
	ProviderOptions map[string]any
}