// Package webhooks provides webhook dispatch and formatting for push and scan notifications.
package webhooks

// Webhook trigger bitmask constants
const (
	TriggerFirst   = 0x01 // First-time scan (no previous scan record)
	TriggerAll     = 0x02 // Every scan completion
	TriggerChanged = 0x04 // Vulnerability counts changed from previous
	TriggerPush    = 0x08 // Image push (manifest stored)
)

// WebhookPayload is the JSON body sent to webhook URLs
type WebhookPayload struct {
	Trigger      string              `json:"trigger"`
	HoldDID      string              `json:"holdDid"`
	HoldEndpoint string              `json:"holdEndpoint"`
	Manifest     WebhookManifestInfo `json:"manifest"`
	Scan         WebhookScanInfo     `json:"scan"`
	Previous     *WebhookVulnCounts  `json:"previous"`
}

// WebhookManifestInfo describes the scanned manifest
type WebhookManifestInfo struct {
	Digest     string `json:"digest"`
	Repository string `json:"repository"`
	Tag        string `json:"tag"`
	UserDID    string `json:"userDid"`
	UserHandle string `json:"userHandle,omitempty"`
}

// WebhookScanInfo describes the scan results
type WebhookScanInfo struct {
	ScannedAt       string            `json:"scannedAt"`
	ScannerVersion  string            `json:"scannerVersion"`
	Vulnerabilities WebhookVulnCounts `json:"vulnerabilities"`
}

// WebhookVulnCounts contains vulnerability counts by severity
type WebhookVulnCounts struct {
	Critical int `json:"critical"`
	High     int `json:"high"`
	Medium   int `json:"medium"`
	Low      int `json:"low"`
	Total    int `json:"total"`
}

// PushWebhookPayload is the JSON body sent for push events (Docker Hub-inspired format)
type PushWebhookPayload struct {
	Trigger    string         `json:"trigger"`
	PushData   PushData       `json:"push_data"`
	Repository PushRepository `json:"repository"`
	Hold       PushHold       `json:"hold"`
}

// PushData describes the push event
type PushData struct {
	PushedAt  string `json:"pushed_at"`
	Pusher    string `json:"pusher"`
	PusherDID string `json:"pusher_did"`
	Tag       string `json:"tag,omitempty"`
	Digest    string `json:"digest"`
}

// PushRepository describes the repository that was pushed to
type PushRepository struct {
	Name      string `json:"name"`
	Namespace string `json:"namespace"`
	RepoName  string `json:"repo_name"`
	RepoURL   string `json:"repo_url"`
	MediaType string `json:"media_type"`
	StarCount int    `json:"star_count"`
	PullCount int    `json:"pull_count"`
}

// PushHold describes the hold service where blobs are stored
type PushHold struct {
	DID      string `json:"did"`
	Endpoint string `json:"endpoint"`
}