package main

import (
	"os"
	"path/filepath"
	"reflect"
	"testing"
	"time"
)

func TestReadConfig(t *testing.T) {
	configContent := `
base-url https://ntfy-alertmanager.xenrox.net
http-address :8080
log-level info
alert-mode multi
user webhookUser
password webhookPass

labels {
    order "severity,instance"

    severity "critical" {
        priority 5
        tags "rotating_light"
        icon "https://foo.com/critical.png"
    }

    severity "info" {
        priority 1
    }

    instance "example.com" {
        tags "computer,example"
    }
}

resolved {
    tags "resolved,partying_face"
    icon "https://foo.com/resolved.png"
}

ntfy {
    topic https://ntfy.sh/alertmanager-alerts
    user user
    password pass
}

alertmanager {
    silence-duration 24h
    user user
    password pass
    url https://alertmanager.xenrox.net
}

cache {
    type redis
    duration 48h
}
`

	expectedCfg := &config{
		BaseURL:     "https://ntfy-alertmanager.xenrox.net",
		HTTPAddress: ":8080",
		LogLevel:    "info",
		alertMode:   multi,
		User:        "webhookUser",
		Password:    "webhookPass",
		ntfy:        ntfyConfig{Topic: "https://ntfy.sh/alertmanager-alerts", User: "user", Password: "pass"},
		labels: labels{Order: []string{"severity", "instance"},
			Label: map[string]labelConfig{
				"severity:critical":    {Priority: "5", Tags: []string{"rotating_light"}, Icon: "https://foo.com/critical.png"},
				"severity:info":        {Priority: "1"},
				"instance:example.com": {Tags: []string{"computer", "example"}},
			},
		},
		cache: cacheConfig{
			Type:            redis,
			CleanupInterval: time.Hour,
			Duration:        48 * time.Hour,
		},
		am: alertmanagerConfig{
			SilenceDuration: time.Hour * 24,
			User:            "user",
			Password:        "pass",
			URL:             "https://alertmanager.xenrox.net",
		},
		resolved: resolvedConfig{
			Tags: []string{"resolved", "partying_face"},
			Icon: "https://foo.com/resolved.png",
		},
	}

	configPath := filepath.Join(t.TempDir(), "config")
	err := os.WriteFile(configPath, []byte(configContent), 0600)
	if err != nil {
		t.Errorf("failed to write config file: %v", err)
	}

	cfg, err := readConfig(configPath)
	if err != nil {
		t.Errorf("failed to read config file: %v", err)
	}

	if !reflect.DeepEqual(cfg, expectedCfg) {
		t.Errorf("expected: %v, got %v", expectedCfg, cfg)
	}
}