// Package cardart renders playing-card style ASCII art used by the admin
// dashboard.
package cardart

import (
	"fmt"
	"os"

	"gopkg.in/yaml.v3"
)

type Store struct {
	Cards map[string]map[int][]string `yaml:"cards"`
}

func Load(path string) *Store {
	store := &Store{Cards: make(map[string]map[int][]string)}
	data, err := os.ReadFile(path)
	if err != nil {
		if !os.IsNotExist(err) {
			fmt.Fprintf(os.Stderr, "cardart: read %s: %v\n", path, err)
		}
		return store
	}
	if err := yaml.Unmarshal(data, store); err != nil {
		fmt.Fprintf(os.Stderr, "cardart: parse %s: %v\n", path, err)
	}
	return store
}

func (s *Store) Art(key string, size int) []string {
	if s == nil || s.Cards == nil {
		return nil
	}
	return s.Cards[key][size]
}