// Package decoders contains functions for parsing template.Block to a string.
package decoders

import (
	"fmt"

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

func ParseBlock(input string, block template.Block) (any, error) {
	switch block.Codec {
	case template.CodecText:
		return input, nil
	case template.CodecYaml:
		return Yaml(input, block)
	case template.CodecList:
		return List(input, block)
	}
	return nil, fmt.Errorf("unknown codec: %s", block.Codec)
}

func Parse(matches []matcher.Block) (any, error) {
	var result any

	for _, m := range matches {
		if m.Block.Path == "@index" {
			continue
		}

		input := m.GetContent()
		value, err := ParseBlock(input, m.Block)
		if err != nil {
			return nil, fmt.Errorf("failed to parse block(%s): %w", m.Block.Path, err)
		}
		result = utils.SetPathValue(m.Block.Path, value, result)
	}

	return result, nil
}