// Copyright 2019 the Drone Authors. All rights reserved.
// Use of this source code is governed by the Blue Oak Model License
// that can be found in the LICENSE file.

package main

import (
	"net/http"
	"time"

	"git.entr0py.de/garionion/drone-yaml-server/plugin"
	"github.com/drone/drone-go/plugin/config"

	_ "github.com/joho/godotenv/autoload"
	"github.com/kelseyhightower/envconfig"
	"github.com/sirupsen/logrus"
)

// spec provides the plugin settings.
type spec struct {
	Bind   string `envconfig:"DRONE_BIND"`
	Debug  bool   `envconfig:"DRONE_DEBUG"`
	Secret string `envconfig:"DRONE_SECRET"`

	Repo           string        `envconfig:"DRONE_YAML_REPO"`
	Branch         string        `envconfig:"DRONE_BRANCH"`
	Token          string        `envconfig:"DRONE_TOKEN"`
	FetchFrequency time.Duration `envconfig:"DRONE_FETCH_FREQUENCY"`
}

func main() {
	spec := new(spec)
	err := envconfig.Process("", spec)
	if err != nil {
		logrus.Fatal(err)
	}

	if spec.Debug {
		logrus.SetLevel(logrus.DebugLevel)
	}
	if spec.Secret == "" {
		logrus.Fatalln("missing secret key")
	}
	if spec.Bind == "" {
		spec.Bind = ":3000"
	}

	if spec.Repo == "" {
		logrus.Fatalln("missing repo")
	}

	if spec.Branch == "" {
		spec.Branch = "main"
	}

	if spec.FetchFrequency == 0 {
		spec.FetchFrequency = 10 * time.Minute
	}

	handler := config.Handler(
		plugin.New(
			spec.Repo,
			spec.Branch,
			spec.Token,
			spec.FetchFrequency,
		),
		spec.Secret,
		logrus.StandardLogger(),
	)

	logrus.Infof("server listening on address %s", spec.Bind)

	http.Handle("/", handler)
	logrus.Fatal(http.ListenAndServe(spec.Bind, nil))
}