// Package model defines domain types passed between layers.
package model

import "time"

// EventTable enumerates the four ClickHouse event tables written by
// cdp-ingestion. Used to whitelist `events` queries so we never interpolate
// an untrusted table name into a template.
type EventTable string

const (
	EventTableTrack    EventTable = "events_track"
	EventTableIdentify EventTable = "events_identify"
	EventTablePage     EventTable = "events_page"
	EventTableGroup    EventTable = "events_group"
)

func (t EventTable) Valid() bool {
	switch t {
	case EventTableTrack, EventTableIdentify, EventTablePage, EventTableGroup:
		return true
	}
	return false
}

// EventQuery is the parsed filter passed to repo.QueryEvents.
type EventQuery struct {
	WorkspaceID string
	Table       EventTable
	From        time.Time
	To          time.Time
	UserID      string // optional
	AnonymousID string // optional
	EventName   string // optional, only meaningful when Table == events_track
	Limit       int
	Offset      int
}

// QueryResult is a generic columns+rows envelope returned by Query API endpoints.
type QueryResult struct {
	Columns    []string         `json:"columns"`
	Rows       [][]any          `json:"rows"`
	RowCount   int              `json:"row_count"`
	DurationMS int64            `json:"duration_ms"`
	CacheHit   bool             `json:"cache_hit"`
	Meta       map[string]any   `json:"meta,omitempty"`
}