package app

import (
	"go.mrlokop.dev/universe/core/config"
	"go.mrlokop.dev/universe/core/fs"
	"go.mrlokop.dev/universe/core/modules"
	"go.uber.org/zap"
	"os"
)

var (
	Module = modules.SimpleModule("universe:core", func(context modules.ModuleFactoryContext) error {
		context.Invoke(func(log *zap.Logger, info *Info, env AppEnvType) {
			hostname, err := os.Hostname()
			if err != nil {
				hostname = "unknown"
			}

			log.Sugar().Infof("Starting %s on %s, pid=%v, env=%s", info.ServiceName, hostname, os.Getpid(), env)
		})
		context.Provide(func(env AppEnvType) RunPath {
			if env == AppEnvTypeDevelopment {
				return fs.System.INodeAt("run")
			}

			runEnv := os.Getenv("UNIVERSE_RUN_PATH")
			if runEnv == "" {
				return fs.System.INodeAt(".")
			}
			return fs.System.INodeAt(runEnv)
		})
		context.Provide(func(path RunPath) StoragePath {
			return path.Join("storage")
		})
		context.Provide(provideEnv)
		context.Provide(provideAppInfo)
		context.Provide(func(app Application) *config.UniverseConfig {
			return app.Config()
		})
		context.Provide(func(env AppEnvType) *zap.Logger {
			if env == AppEnvTypeDevelopment {
				config := zap.NewDevelopmentConfig()
				config.OutputPaths = []string{"stdout"}
				return zap.Must(config.Build(
					zap.WithCaller(true),
				))
			}

			return zap.Must(zap.NewProduction())
		})
		return nil
	})
)