// Package codec contains functions for rendering template.Block to a string.
package codec

import (
	"fmt"

	"git.max-richter.dev/max/marka/renderer/utils"
	"git.max-richter.dev/max/marka/template"
)

// RenderBlock renders a single template block using the provided data.
func RenderBlock(block template.Block, data map[string]any) (string, error) {
	if block.Type == template.MatchingBlock {
		return block.GetContent(), nil
	}

	value, found := utils.GetValueFromPath(data, block.Path)
	if !found {
		return "", nil // If not found and not required, return empty string
	}

	switch block.Codec {
	case template.CodecText:
		return fmt.Sprintf("%v", value), nil
	case template.CodecYaml:
		return RenderYaml(data, block)
	case template.CodecList:
		return RenderList(value, block)
	case template.CodecConst:
		return fmt.Sprintf("%v", block.Value), nil
	default:
		return "", fmt.Errorf("unknown codec: %s for path '%s'", block.Codec, block.Path)
	}
}