package content

import (
	"fmt"
	"strings"

	"github.com/yaoapp/gou/connector/openai"
	agentContext "github.com/yaoapp/yao/agent/context"
)

// AudioHandler handles audio content
type AudioHandler struct{}

// CanHandle checks if this handler can handle the content type
func (h *AudioHandler) CanHandle(contentType string, fileType FileType) bool {
	return fileType == FileTypeAudio || strings.HasPrefix(contentType, "audio/")
}

// Handle processes audio content
// Logic similar to image:
// 1. If model supports audio input -> convert to base64 format
// 2. If model doesn't support audio -> use agent/MCP specified in uses.Audio
func (h *AudioHandler) Handle(ctx *agentContext.Context, info *Info, capabilities *openai.Capabilities, uses *agentContext.Uses, forceUses bool) (*Result, error) {
	// TODO: Implement audio handling
	// 1. Check model audio capabilities
	// 2. If supported:
	//    - Encode audio as base64 with proper format
	// 3. If not supported:
	//    - Call audio agent/MCP to transcribe audio to text
	// 4. Return Result with text or ContentPart
	return nil, fmt.Errorf("not implemented")
}

// handleWithAudioModel processes audio using model's audio capability
func (h *AudioHandler) handleWithAudioModel(ctx *agentContext.Context, info *Info) (*Result, error) {
	// TODO: Implement audio model processing
	// Format audio according to model's audio input format
	return nil, fmt.Errorf("not implemented")
}

// handleWithAudioAgent processes audio using audio agent or MCP
func (h *AudioHandler) handleWithAudioAgent(ctx *agentContext.Context, info *Info, audioTool string) (string, error) {
	// TODO: Implement audio agent/MCP processing
	// 1. Parse audioTool (format: "agent" or "mcp:server_id")
	// 2. Call appropriate tool to transcribe audio
	// 3. Return transcribed text
	return "", fmt.Errorf("not implemented")
}

// encodeAudioBase64 encodes audio data to base64 with proper format
func encodeAudioBase64(data []byte, contentType string) string {
	// TODO: Implement audio base64 encoding
	return ""
}

// detectAudioFormat detects audio format from content type or data
func detectAudioFormat(contentType string, data []byte) string {
	// TODO: Implement audio format detection
	// Return format like "wav", "mp3", "flac", etc.
	return ""
}