package checker

import (
	"time"

	sdk "git.happydns.org/checker-sdk-go/checker"
)

var Version = "built-in"

func Definition() *sdk.CheckerDefinition {
	def := &sdk.CheckerDefinition{
		ID:      "happydeliver",
		Name:    "Outbound deliverability (via happyDeliver)",
		Version: Version,
		Availability: sdk.CheckerAvailability{
			ApplyToService:  true,
			LimitToServices: []string{"svcs.MXs"},
		},
		ObservationKeys: []sdk.ObservationKey{ObservationKeyHappyDeliver},
		Options: sdk.CheckerOptionsDocumentation{
			AdminOpts: []sdk.CheckerOptionDocumentation{
				{
					Id:          "happydeliver_url",
					Type:        "string",
					Label:       "happyDeliver instance URL",
					Description: "Default base URL of the happyDeliver API. Users may override per-domain.",
					Placeholder: "https://deliver.example.org",
				},
				{
					Id:          "happydeliver_token",
					Type:        "string",
					Label:       "happyDeliver API token",
					Description: "Default bearer token for the happyDeliver API.",
					Secret:      true,
				},
			},
			UserOpts: []sdk.CheckerOptionDocumentation{
				{
					Id:          "happydeliver_url",
					Type:        "string",
					Label:       "happyDeliver instance URL (override)",
					Description: "Override the operator-provided happyDeliver URL.",
				},
				{
					Id:          "happydeliver_token",
					Type:        "string",
					Label:       "happyDeliver API token (override)",
					Description: "Override the operator-provided happyDeliver token.",
					Secret:      true,
				},
				{
					Id:          "smtp_host",
					Type:        "string",
					Label:       "Sending SMTP host",
					Description: "Hostname or IP of the submission server used to send the test email.",
					Required:    true,
				},
				{
					Id:          "smtp_port",
					Type:        "number",
					Label:       "Sending SMTP port",
					Description: "Submission port (typically 587 for STARTTLS, 465 for implicit TLS, 25 for plain).",
					Default:     float64(587),
					Required:    true,
				},
				{
					Id:          "smtp_username",
					Type:        "string",
					Label:       "SMTP username",
					Description: "Username used to authenticate against the submission server.",
				},
				{
					Id:          "smtp_password",
					Type:        "string",
					Label:       "SMTP password",
					Description: "Password used to authenticate against the submission server.",
					Secret:      true,
				},
				{
					Id:          "smtp_tls",
					Type:        "string",
					Label:       "TLS mode",
					Description: "How to negotiate TLS with the submission server.",
					Choices:     []string{"starttls", "tls", "none"},
					Default:     "starttls",
				},
				{
					Id:          "from_address",
					Type:        "string",
					Label:       "From address",
					Description: "Address used in the From header of the test email. Must be in the tested domain.",
					Required:    true,
				},
				{
					Id:          "subject_override",
					Type:        "string",
					Label:       "Subject (optional)",
					Description: "Override the default test subject.",
				},
				{
					Id:          "body_text_override",
					Type:        "string",
					Label:       "Plain-text body (optional)",
					Textarea:    true,
					Description: "Override the default plain-text body.",
				},
				{
					Id:          "body_html_override",
					Type:        "string",
					Label:       "HTML body (optional)",
					Textarea:    true,
					Description: "Override the default HTML body.",
				},
				{
					Id:          "wait_timeout",
					Type:        "number",
					Label:       "Wait timeout (s)",
					Description: "Seconds to wait for happyDeliver to receive and analyse the message.",
					Default:     float64(900),
				},
				{
					Id:          "poll_interval",
					Type:        "number",
					Label:       "Poll interval (s)",
					Description: "Seconds between status polls. Clamped to [2, 60].",
					Default:     float64(5),
				},
			},
			DomainOpts: []sdk.CheckerOptionDocumentation{
				{
					Id:       "domain_name",
					Label:    "Domain name",
					AutoFill: sdk.AutoFillDomainName,
				},
			},
		},
		Rules: []sdk.CheckRule{
			NewSectionRule(SectionOverall, "Overall", 70),
			NewSectionRule(SectionDNS, "DNS", 70),
			NewSectionRule(SectionAuthentication, "Authentication (SPF/DKIM/DMARC)", 80),
			NewSectionRule(SectionSpam, "Spam filters", 70),
			NewSectionRule(SectionBlacklist, "Blacklists", 90),
			NewSectionRule(SectionHeader, "Headers", 70),
			NewSectionRule(SectionContent, "Content", 60),
			NewLifecycleRule(),
		},
		Interval: &sdk.CheckIntervalSpec{
			Min:     1 * time.Hour,
			Max:     30 * 24 * time.Hour,
			Default: 7 * 24 * time.Hour,
		},
		HasMetrics: true,
	}
	return def
}