package admin

import (
	"bytes"

	"gopkg.in/yaml.v3"
	"thehouseoficarus/internal/casino"
)

// Validate before any room/link writes. Only casino fields are decoded here;
// the room editor's unrelated fields retain their existing representation.
func validateRoomCasinoMap(m map[string]any) error {
	fields := map[string]any{}
	for _, key := range []string{"casino_tables", "casino_machines"} {
		if value, ok := m[key]; ok {
			fields[key] = value
		}
	}
	data, err := yaml.Marshal(fields)
	if err != nil {
		return err
	}
	var cfg struct {
		Tables   []casino.TableConfig   `yaml:"casino_tables"`
		Machines []casino.MachineConfig `yaml:"casino_machines"`
	}
	decoder := yaml.NewDecoder(bytes.NewReader(data))
	decoder.KnownFields(true)
	if err := decoder.Decode(&cfg); err != nil {
		return err
	}
	return casino.ValidateRoomConfigs(cfg.Tables, cfg.Machines)
}