package settings

import (
	"log/slog"
	"os"
	"vctp/internal/utils"

	"gopkg.in/yaml.v2"
)

// SettingsYML struct holds various runtime data that is too cumbersome to specify via command line, eg replacement properties
type SettingsYML struct {
	Settings struct {
		/*
			Replacements []struct {
				Key   string `yaml:"Key"`
				Value string `yaml:"Value"`
			} `yaml:"replacements"`

			Omapi struct {
				KeyName   string `yaml:"key_name"`
				KeySecret string `yaml:"key_secret"`
			} `yaml:"omapi"`
		*/
		TenantsToFilter    []string `yaml:"tenants_to_filter"`
		NodeChargeClusters []string `yaml:"node_charge_clusters"`
		SrmActiveActiveVms []string `yaml:"srm_activeactive_vms"`
		VcenterAddresses   []string `yaml:"vcenter_addresses"`
	} `yaml:"settings"`
}

func ReadYMLSettings(logger *slog.Logger, settingsPath string) (SettingsYML, error) {
	// Create config structure
	var settings SettingsYML

	// Check for empty filename
	if len(settingsPath) == 0 {
		return settings, nil
	}

	path := utils.GetFilePath(settingsPath)

	// Open config file
	file, err := os.Open(path)
	if err != nil {
		return settings, err
	}
	logger.Debug("Opened settings yaml file", "file_path", path)
	defer file.Close()

	// Init new YAML decode
	d := yaml.NewDecoder(file)

	// Start YAML decoding from file
	if err := d.Decode(&settings); err != nil {
		return settings, err
	}

	return settings, nil
}