package main

import (
	"go.wit.com/lib/protobuf/chatpb"
	"google.golang.org/genai"
)

// convertToGenai transforms the parsed JSON request into the genai.Content format.
func convertToGenai(req *chatpb.GeminiRequest) ([]*genai.Content, error) {
	var contents []*genai.Content
	for _, c := range req.Contents {
		genaiParts := []*genai.Part{} // Create a slice of the interface type
		for _, p := range c.Parts {
			if p.Text != "" {
				// genai.Text returns a Part interface, which is what we need
				var tmp *genai.Part
				tmp = new(genai.Part)
				tmp.Text = p.Text
				genaiParts = append(genaiParts, tmp)
			}
		}
		contents = append(contents, &genai.Content{
			Role:  c.Role,
			Parts: genaiParts,
		})
	}
	return contents, nil
}