package sentrysetup

import (
	"fmt"

	"github.com/apex/log"
	"github.com/getsentry/sentry-go"
)

type SentryConfig struct {
	DSN         string `name:"sentry-dsn" env:"SENTRY_DSN" help:"Sentry dsn" default:""`
	Environment string `name:"sentry-environment" env:"SENTRY_ENVIRONMENT" help:"Sentry environment" default:"development"`
	Disabled    bool   `name:"sentry-disabled" env:"SENTRY_DISABLED" help:"Disable Sentry" default:"false"`
}

var sentryInit = sentry.Init

func SetupSentry(logger log.Interface, releaseName string, args SentryConfig) error {
	if args.Disabled {
		logger.Info("Sentry disabled, setup using empty options")
		return sentryInit(sentry.ClientOptions{})
	}
	if args.Environment == "" {
		return fmt.Errorf("no Sentry environment supplied, exiting")
	}
	cfg := sentry.ClientOptions{
		Dsn:         args.DSN,
		Environment: args.Environment,
		Release:     releaseName,
	}
	switch args.Environment {
	case "development":
		cfg.Debug = true
		cfg.EnableTracing = false
		cfg.TracesSampleRate = 0.0
	case "staging", "production":
		if args.DSN == "" {
			return fmt.Errorf("no DSN supplied for non-dev environment, exiting")
		}
		cfg.Debug = false
		cfg.EnableTracing = true
		cfg.TracesSampleRate = 1.0
	default:
		return fmt.Errorf("illegal environment %s", args.Environment)
	}

	if err := sentryInit(cfg); err != nil {
		return fmt.Errorf("sentry setup: %w", err)
	}
	logger.Infof("configured Sentry for env: %s", args.Environment)
	return nil
}