package worker

import (
	"io/ioutil"
	"os"
	"testing"

	. "github.com/smartystreets/goconvey/convey"
)

func TestConfig(t *testing.T) {
	var cfgBlob = `
[global]
name = "test_worker"
log_dir = "/var/log/tunasync/{{.Name}}"
mirror_dir = "/data/mirrors"
concurrent = 10
interval = 240

[manager]
api_base = "https://127.0.0.1:5000"
token = "some_token"

[server]
hostname = "worker1.example.com"
listen_addr = "127.0.0.1"
listen_port = 6000
ssl_cert = "/etc/tunasync.d/worker1.cert"
ssl_key = "/etc/tunasync.d/worker1.key"

[[mirrors]]
name = "AOSP"
provider = "command"
upstream = "https://aosp.google.com/"
interval = 720
mirror_dir = "/data/git/AOSP"
exec_on_success = "bash -c 'echo ${TUNASYNC_JOB_EXIT_STATUS} > ${TUNASYNC_WORKING_DIR}/exit_status'"
	[mirrors.env]
	REPO = "/usr/local/bin/aosp-repo"

[[mirrors]]
name = "debian"
provider = "two-stage-rsync"
stage1_profile = "debian"
upstream = "rsync://ftp.debian.org/debian/"
use_ipv6 = true


[[mirrors]]
name = "fedora"
provider = "rsync"
upstream = "rsync://ftp.fedoraproject.org/fedora/"
use_ipv6 = true
exclude_file = "/etc/tunasync.d/fedora-exclude.txt"
exec_on_failure = "bash -c 'echo ${TUNASYNC_JOB_EXIT_STATUS} > ${TUNASYNC_WORKING_DIR}/exit_status'"
	`

	Convey("When giving invalid file", t, func() {
		cfg, err := LoadConfig("/path/to/invalid/file")
		So(err, ShouldNotBeNil)
		So(cfg, ShouldBeNil)
	})

	Convey("Everything should work on valid config file", t, func() {
		tmpfile, err := ioutil.TempFile("", "tunasync")
		So(err, ShouldEqual, nil)
		defer os.Remove(tmpfile.Name())

		err = ioutil.WriteFile(tmpfile.Name(), []byte(cfgBlob), 0644)
		So(err, ShouldEqual, nil)
		defer tmpfile.Close()

		cfg, err := LoadConfig(tmpfile.Name())
		So(err, ShouldBeNil)
		So(cfg.Global.Name, ShouldEqual, "test_worker")
		So(cfg.Global.Interval, ShouldEqual, 240)
		So(cfg.Global.MirrorDir, ShouldEqual, "/data/mirrors")

		So(cfg.Manager.APIBase, ShouldEqual, "https://127.0.0.1:5000")
		So(cfg.Server.Hostname, ShouldEqual, "worker1.example.com")

		m := cfg.Mirrors[0]
		So(m.Name, ShouldEqual, "AOSP")
		So(m.MirrorDir, ShouldEqual, "/data/git/AOSP")
		So(m.Provider, ShouldEqual, ProvCommand)
		So(m.Interval, ShouldEqual, 720)
		So(m.Env["REPO"], ShouldEqual, "/usr/local/bin/aosp-repo")

		m = cfg.Mirrors[1]
		So(m.Name, ShouldEqual, "debian")
		So(m.MirrorDir, ShouldEqual, "")
		So(m.Provider, ShouldEqual, ProvTwoStageRsync)

		m = cfg.Mirrors[2]
		So(m.Name, ShouldEqual, "fedora")
		So(m.MirrorDir, ShouldEqual, "")
		So(m.Provider, ShouldEqual, ProvRsync)
		So(m.ExcludeFile, ShouldEqual, "/etc/tunasync.d/fedora-exclude.txt")

		So(len(cfg.Mirrors), ShouldEqual, 3)
	})

	Convey("Providers can be inited from a valid config file", t, func() {
		tmpfile, err := ioutil.TempFile("", "tunasync")
		So(err, ShouldEqual, nil)
		defer os.Remove(tmpfile.Name())

		err = ioutil.WriteFile(tmpfile.Name(), []byte(cfgBlob), 0644)
		So(err, ShouldEqual, nil)
		defer tmpfile.Close()

		cfg, err := LoadConfig(tmpfile.Name())
		So(err, ShouldBeNil)

		w := &Worker{
			cfg:       cfg,
			providers: make(map[string]mirrorProvider),
		}

		w.initProviders()

		p := w.providers["AOSP"]
		So(p.Name(), ShouldEqual, "AOSP")
		So(p.LogDir(), ShouldEqual, "/var/log/tunasync/AOSP")
		So(p.LogFile(), ShouldEqual, "/var/log/tunasync/AOSP/latest.log")
		_, ok := p.(*cmdProvider)
		So(ok, ShouldBeTrue)
		for _, hook := range p.Hooks() {
			switch h := hook.(type) {
			case *execPostHook:
				So(h.command, ShouldResemble, []string{"bash", "-c", `echo ${TUNASYNC_JOB_EXIT_STATUS} > ${TUNASYNC_WORKING_DIR}/exit_status`})
			}
		}

		p = w.providers["debian"]
		So(p.Name(), ShouldEqual, "debian")
		So(p.LogDir(), ShouldEqual, "/var/log/tunasync/debian")
		So(p.LogFile(), ShouldEqual, "/var/log/tunasync/debian/latest.log")
		r2p, ok := p.(*twoStageRsyncProvider)
		So(ok, ShouldBeTrue)
		So(r2p.stage1Profile, ShouldEqual, "debian")
		So(r2p.WorkingDir(), ShouldEqual, "/data/mirrors/debian")

		p = w.providers["fedora"]
		So(p.Name(), ShouldEqual, "fedora")
		So(p.LogDir(), ShouldEqual, "/var/log/tunasync/fedora")
		So(p.LogFile(), ShouldEqual, "/var/log/tunasync/fedora/latest.log")
		rp, ok := p.(*rsyncProvider)
		So(ok, ShouldBeTrue)
		So(rp.WorkingDir(), ShouldEqual, "/data/mirrors/fedora")
		So(rp.excludeFile, ShouldEqual, "/etc/tunasync.d/fedora-exclude.txt")

	})
}