package config

import (
	"crypto/sha256"
	"encoding/hex"
	"encoding/json"
	"errors"
)

var ErrConfigConflict = errors.New("CONFIG_CONFLICT: 配置已在其他窗口更改，请重新加载后再保存；当前编辑内容已保留")

func cloneConfig(cfg Config) Config {
	cfg.ModelAdapters = append([]ModelAdapterConfig(nil), cfg.ModelAdapters...)
	if cfg.HomeMetrics.PersistentMode != nil {
		value := *cfg.HomeMetrics.PersistentMode
		cfg.HomeMetrics.PersistentMode = &value
	}
	return cfg
}

func withRevision(cfg Config) Config {
	cfg = cloneConfig(cfg)
	view := cloneConfig(cfg)
	view.Revision = ""
	view.LastAgentModelHash = ""
	for i := range view.ModelAdapters {
		view.ModelAdapters[i].ID = ""
	}
	data, _ := json.Marshal(view)
	sum := sha256.Sum256(data)
	cfg.Revision = hex.EncodeToString(sum[:])
	return cfg
}