package main

import (
	"log"
	"os"

	"github.com/joho/godotenv"
	_ "github.com/joho/godotenv/autoload"
	"github.com/urfave/cli"
)

// Version set at compile-time
var (
	Version  string
	BuildNum string
)

func main() {
	app := cli.NewApp()
	app.Name = "telegram plugin"
	app.Usage = "telegram plugin"
	app.Action = run
	app.Flags = []cli.Flag{
		cli.StringFlag{
			Name:   "token",
			Usage:  "telegram token",
			EnvVar: "PLUGIN_TOKEN,TELEGRAM_TOKEN",
		},
		cli.StringSliceFlag{
			Name:   "to",
			Usage:  "telegram user",
			EnvVar: "PLUGIN_TO,TELEGRAM_TO",
		},
		cli.StringSliceFlag{
			Name:   "message",
			Usage:  "send telegram message",
			EnvVar: "PLUGIN_MESSAGE,TELEGRAM_MESSAGE",
		},
		cli.StringSliceFlag{
			Name:   "photo",
			Usage:  "send photo message",
			EnvVar: "PLUGIN_PHOTO",
		},
		cli.StringSliceFlag{
			Name:   "document",
			Usage:  "send document message",
			EnvVar: "PLUGIN_DOCUMENT",
		},
		cli.StringSliceFlag{
			Name:   "sticker",
			Usage:  "send sticker message",
			EnvVar: "PLUGIN_STICKER",
		},
		cli.StringSliceFlag{
			Name:   "audio",
			Usage:  "send audio message",
			EnvVar: "PLUGIN_AUDIO",
		},
		cli.StringSliceFlag{
			Name:   "voice",
			Usage:  "send voice message",
			EnvVar: "PLUGIN_VOICE",
		},
		cli.StringSliceFlag{
			Name:   "location",
			Usage:  "send location message",
			EnvVar: "PLUGIN_LOCATION",
		},
		cli.StringSliceFlag{
			Name:   "venue",
			Usage:  "send venue message",
			EnvVar: "PLUGIN_VENUE",
		},
		cli.StringSliceFlag{
			Name:   "video",
			Usage:  "send video message",
			EnvVar: "PLUGIN_VIDEO",
		},
		cli.BoolFlag{
			Name:   "debug",
			Usage:  "enable debug message",
			EnvVar: "PLUGIN_DEBUG,DEBUG",
		},
		cli.BoolFlag{
			Name:   "match.email",
			Usage:  "send message when only match email",
			EnvVar: "PLUGIN_ONLY_MATCH_EMAIL",
		},
		cli.BoolTFlag{
			Name:   "webpage.preview",
			Usage:  "toggle web-page preview",
			EnvVar: "PLUGIN_WEBPAGE_PREVIEW",
		},
		cli.StringFlag{
			Name:   "format",
			Value:  "markdown",
			Usage:  "telegram message format",
			EnvVar: "PLUGIN_FORMAT",
		},
		cli.StringFlag{
			Name:   "repo.owner",
			Usage:  "repository owner",
			EnvVar: "DRONE_REPO_OWNER",
		},
		cli.StringFlag{
			Name:   "repo.name",
			Usage:  "repository name",
			EnvVar: "DRONE_REPO_NAME",
		},
		cli.StringFlag{
			Name:   "commit.sha",
			Usage:  "git commit sha",
			EnvVar: "DRONE_COMMIT_SHA,GITHUB_SHA",
		},
		cli.StringFlag{
			Name:   "commit.ref",
			Usage:  "git commit ref",
			EnvVar: "DRONE_COMMIT_REF,GITHUB_REF",
		},
		cli.StringFlag{
			Name:   "commit.branch",
			Value:  "master",
			Usage:  "git commit branch",
			EnvVar: "DRONE_COMMIT_BRANCH",
		},
		cli.StringFlag{
			Name:   "commit.link",
			Usage:  "git commit link",
			EnvVar: "DRONE_COMMIT_LINK",
		},
		cli.StringFlag{
			Name:   "commit.author",
			Usage:  "git author name",
			EnvVar: "DRONE_COMMIT_AUTHOR",
		},
		cli.StringFlag{
			Name:   "commit.author.email",
			Usage:  "git author email",
			EnvVar: "DRONE_COMMIT_AUTHOR_EMAIL",
		},
		cli.StringFlag{
			Name:   "commit.message",
			Usage:  "commit message",
			EnvVar: "DRONE_COMMIT_MESSAGE",
		},
		cli.StringFlag{
			Name:   "build.event",
			Value:  "push",
			Usage:  "build event",
			EnvVar: "DRONE_BUILD_EVENT",
		},
		cli.IntFlag{
			Name:   "build.number",
			Usage:  "build number",
			EnvVar: "DRONE_BUILD_NUMBER",
		},
		cli.StringFlag{
			Name:   "build.status",
			Usage:  "build status",
			Value:  "success",
			EnvVar: "DRONE_BUILD_STATUS",
		},
		cli.StringFlag{
			Name:   "build.link",
			Usage:  "build link",
			EnvVar: "DRONE_BUILD_LINK",
		},
		cli.StringFlag{
			Name:   "build.tag",
			Usage:  "build tag",
			EnvVar: "DRONE_TAG",
		},
		cli.StringFlag{
			Name:   "pull.request",
			Usage:  "pull request",
			EnvVar: "DRONE_PULL_REQUEST",
		},
		cli.Float64Flag{
			Name:   "job.started",
			Usage:  "job started",
			EnvVar: "DRONE_JOB_STARTED",
		},
		cli.Float64Flag{
			Name:   "job.finished",
			Usage:  "job finished",
			EnvVar: "DRONE_JOB_FINISHED",
		},
		cli.StringFlag{
			Name:   "env-file",
			Usage:  "source env file",
			EnvVar: "ENV_FILE",
		},
	}

	app.Version = Version

	if BuildNum != "" {
		app.Version = app.Version + "+" + BuildNum
	}

	if err := app.Run(os.Args); err != nil {
		log.Fatal(err)
	}
}

func run(c *cli.Context) error {
	if c.String("env-file") != "" {
		_ = godotenv.Load(c.String("env-file"))
	}

	plugin := Plugin{
		Repo: Repo{
			Owner: c.String("repo.owner"),
			Name:  c.String("repo.name"),
		},
		Commit: Commit{
			Sha:     c.String("commit.sha"),
			Ref:     c.String("commit.ref"),
			Branch:  c.String("commit.branch"),
			Link:    c.String("commit.link"),
			Author:  c.String("commit.author"),
			Email:   c.String("commit.author.email"),
			Message: c.String("commit.message"),
		},
		Build: Build{
			Tag:      c.String("build.tag"),
			Number:   c.Int("build.number"),
			Event:    c.String("build.event"),
			Status:   c.String("build.status"),
			Link:     c.String("build.link"),
			Started:  c.Float64("job.started"),
			Finished: c.Float64("job.finished"),
			PR:       c.String("pull.request"),
		},
		Config: Config{
			Token:      c.String("token"),
			Debug:      c.Bool("debug"),
			MatchEmail: c.Bool("match.email"),
			WebPreview: c.Bool("webpage.preview"),
			To:         c.StringSlice("to"),
			Message:    c.StringSlice("message"),
			Photo:      c.StringSlice("photo"),
			Document:   c.StringSlice("document"),
			Sticker:    c.StringSlice("sticker"),
			Audio:      c.StringSlice("audio"),
			Voice:      c.StringSlice("voice"),
			Location:   c.StringSlice("location"),
			Video:      c.StringSlice("video"),
			Venue:      c.StringSlice("venue"),
			Format:     c.String("format"),
		},
	}

	return plugin.Exec()
}