package application

import (
	"encoding/json"
	"git.sxidc.com/go-framework/baize/infrastructure"
	"git.sxidc.com/go-tools/utils/fileutils"
	"git.sxidc.com/service-supports/fserr"
	"gopkg.in/yaml.v3"
	"os"
)

type Config struct {
	ApiConfig            `json:"api" yaml:"api"`
	InfrastructureConfig `json:"infrastructure" yaml:"infrastructure"`
}

type ApiConfig struct {
	UrlPrefix string `json:"url_prefix" yaml:"url_prefix"`
	Port      string `json:"port" yaml:"port"`
}

type InfrastructureConfig struct {
	Database infrastructure.DatabaseConfig `json:"database" yaml:"database"`
}

func LoadFromJsonFile(jsonFilePath string) (Config, error) {
	if !fileutils.PathExists(jsonFilePath) {
		return Config{}, fserr.New("配置文件不存在")
	}

	jsonBytes, err := os.ReadFile(jsonFilePath)
	if err != nil {
		return Config{}, err
	}

	return loadFromJson(jsonBytes)
}

func LoadFromYamlFile(yamlFilePath string) (Config, error) {
	if !fileutils.PathExists(yamlFilePath) {
		return Config{}, fserr.New("配置文件不存在")
	}

	yamlBytes, err := os.ReadFile(yamlFilePath)
	if err != nil {
		return Config{}, err
	}

	return loadFromYaml(yamlBytes)
}

func LoadFromJson(jsonStr string) (Config, error) {
	return loadFromJson([]byte(jsonStr))
}

func LoadFromYaml(yamlStr string) (Config, error) {
	return loadFromYaml([]byte(yamlStr))
}

func loadFromJson(jsonBytes []byte) (Config, error) {
	conf := new(Config)
	err := json.Unmarshal(jsonBytes, conf)
	if err != nil {
		return Config{}, err
	}

	return *conf, nil
}

func loadFromYaml(yamlBytes []byte) (Config, error) {
	conf := new(Config)
	err := yaml.Unmarshal(yamlBytes, conf)
	if err != nil {
		return Config{}, err
	}

	return *conf, nil
}