package domain

import "time"

// Trip represents GTFS trip
type Trip struct {
	ID           string `gorm:"primaryKey;type:varchar(64)" json:"trip_id"`
	RouteID      string `json:"route_id"`
	ServiceID    string `json:"service_id"`
	TripHeadSign string `json:"trip_headsign"`
	DirectionID  *int   `json:"direction_id"`
}

// StopTime represents GTFS stop_time
type StopTime struct {
	ID            uint   `gorm:"primaryKey" json:"-"`
	TripID        string `gorm:"index" json:"trip_id"`
	ArrivalTime   string `json:"arrival_time"` // HH:MM:SS (can exceed 24:00:00)
	DepartureTime string `json:"departure_time"`
	DepartureSecs int    `gorm:"index" json:"departure_secs"` // seconds since midnight (can exceed 86400)
	StopID        string `gorm:"index" json:"stop_id"`
	StopSequence  int    `json:"stop_sequence"`
}

// Frequency represents GTFS frequencies.txt
type Frequency struct {
	ID          uint   `gorm:"primaryKey" json:"-"`
	TripID      string `gorm:"index" json:"trip_id"`
	StartTime   string `json:"start_time"`
	EndTime     string `json:"end_time"`
	HeadwaySecs int    `json:"headway_secs"`
}

// ServiceCalendar represents GTFS calendar.txt
type ServiceCalendar struct {
	ServiceID string    `gorm:"primaryKey;type:varchar(64)" json:"service_id"`
	Monday    bool      `json:"monday"`
	Tuesday   bool      `json:"tuesday"`
	Wednesday bool      `json:"wednesday"`
	Thursday  bool      `json:"thursday"`
	Friday    bool      `json:"friday"`
	Saturday  bool      `json:"saturday"`
	Sunday    bool      `json:"sunday"`
	StartDate time.Time `json:"start_date"`
	EndDate   time.Time `json:"end_date"`
}

// CalendarDate represents GTFS calendar_dates.txt exceptions
type CalendarDate struct {
	ID            uint      `gorm:"primaryKey" json:"-"`
	ServiceID     string    `gorm:"index" json:"service_id"`
	Date          time.Time `json:"date"`
	ExceptionType int       `json:"exception_type"` // 1 = added, 2 = removed
}