package models

import (
	"time"

	"github.com/google/uuid"
)

type User struct {
	ID                          uuid.UUID `json:"id"`
	Email                       string    `json:"email"`
	Timezone                    string    `json:"timezone"`
	WeekStartDay                int       `json:"week_start_day"`
	DateFormat                  string    `json:"date_format"`
	TimeFormat                  string    `json:"time_format"`
	DefaultEventDurationMinutes int       `json:"default_event_duration_minutes"`
	DefaultReminderMinutes      int       `json:"default_reminder_minutes"`
	ShowWeekends                bool      `json:"show_weekends"`
	WorkingHoursStart           string    `json:"working_hours_start"`
	WorkingHoursEnd             string    `json:"working_hours_end"`
	NotificationsEmail          bool      `json:"notifications_email"`
	CreatedAt                   time.Time `json:"created_at"`
	UpdatedAt                   time.Time `json:"updated_at"`
}

type Calendar struct {
	ID                     uuid.UUID `json:"id"`
	Name                   string    `json:"name"`
	Color                  string    `json:"color"`
	IsPublic               bool      `json:"is_public"`
	CountForAvailability   bool      `json:"count_for_availability"`
	DefaultReminderMinutes *int      `json:"default_reminder_minutes,omitempty"`
	SortOrder              int       `json:"sort_order"`
	ICalURL                string    `json:"ical_url,omitempty"`
	AvailabilityURL        string    `json:"availability_url,omitempty"`
	Role                   string    `json:"role,omitempty"`
	CreatedAt              time.Time `json:"created_at"`
	UpdatedAt              time.Time `json:"updated_at"`
}

type Event struct {
	ID                  uuid.UUID    `json:"id"`
	CalendarID          uuid.UUID    `json:"calendar_id"`
	Title               string       `json:"title"`
	Description         *string      `json:"description"`
	Location            *string      `json:"location"`
	StartTime           time.Time    `json:"start_time"`
	EndTime             time.Time    `json:"end_time"`
	Timezone            string       `json:"timezone"`
	AllDay              bool         `json:"all_day"`
	RecurrenceRule      *string      `json:"recurrence_rule"`
	IsOccurrence        bool         `json:"is_occurrence,omitempty"`
	OccurrenceStartTime *time.Time   `json:"occurrence_start_time,omitempty"`
	OccurrenceEndTime   *time.Time   `json:"occurrence_end_time,omitempty"`
	CreatedBy           uuid.UUID    `json:"created_by"`
	UpdatedBy           uuid.UUID    `json:"updated_by"`
	CreatedAt           time.Time    `json:"created_at"`
	UpdatedAt           time.Time    `json:"updated_at"`
	Reminders           []Reminder   `json:"reminders"`
	Attendees           []Attendee   `json:"attendees"`
	Tags                []string     `json:"tags"`
	Attachments         []Attachment `json:"attachments"`
}

type Reminder struct {
	ID            uuid.UUID `json:"id"`
	MinutesBefore int32     `json:"minutes_before"`
}

type Attendee struct {
	ID     uuid.UUID  `json:"id"`
	UserID *uuid.UUID `json:"user_id"`
	Email  *string    `json:"email"`
	Status string     `json:"status"`
}

type Attachment struct {
	ID      uuid.UUID `json:"id"`
	FileURL string    `json:"file_url"`
}

type Contact struct {
	ID        uuid.UUID  `json:"id"`
	FirstName *string    `json:"first_name"`
	LastName  *string    `json:"last_name"`
	Email     *string    `json:"email"`
	Phone     *string    `json:"phone"`
	Company   *string    `json:"company"`
	Notes     *string    `json:"notes"`
	CreatedAt time.Time  `json:"created_at"`
	UpdatedAt time.Time  `json:"updated_at"`
}

type APIKeyResponse struct {
	ID        uuid.UUID  `json:"id"`
	Name      string     `json:"name"`
	CreatedAt time.Time  `json:"created_at"`
	RevokedAt *time.Time `json:"revoked_at"`
	Token     string     `json:"token,omitempty"`
}

type CalendarMember struct {
	UserID uuid.UUID `json:"user_id"`
	Email  string    `json:"email"`
	Role   string    `json:"role"`
}

type BusyBlock struct {
	Start   time.Time `json:"start"`
	End     time.Time `json:"end"`
	EventID uuid.UUID `json:"event_id"`
}

type AvailabilityResponse struct {
	CalendarID uuid.UUID   `json:"calendar_id"`
	RangeStart time.Time   `json:"range_start"`
	RangeEnd   time.Time   `json:"range_end"`
	Busy       []BusyBlock `json:"busy"`
}

type BookingLink struct {
	Token          string        `json:"token"`
	PublicURL      string        `json:"public_url,omitempty"`
	Settings       BookingConfig `json:"settings"`
}

type BookingConfig struct {
	DurationMinutes int               `json:"duration_minutes"`
	BufferMinutes   int               `json:"buffer_minutes"`
	Timezone        string            `json:"timezone"`
	WorkingHours    map[string][]Slot `json:"working_hours"`
	Active          bool              `json:"active"`
}

type Slot struct {
	Start string `json:"start"`
	End   string `json:"end"`
}

type BookingAvailability struct {
	Token           string     `json:"token"`
	Timezone        string     `json:"timezone"`
	DurationMinutes int        `json:"duration_minutes"`
	Slots           []TimeSlot `json:"slots"`
}

type TimeSlot struct {
	Start time.Time `json:"start"`
	End   time.Time `json:"end"`
}

type PageInfo struct {
	Limit      int     `json:"limit"`
	NextCursor *string `json:"next_cursor"`
}

type ListResponse struct {
	Items interface{} `json:"items"`
	Page  PageInfo    `json:"page"`
}

type AuthTokens struct {
	User         User   `json:"user"`
	AccessToken  string `json:"access_token"`
	RefreshToken string `json:"refresh_token"`
}

type TokenPair struct {
	AccessToken  string `json:"access_token"`
	RefreshToken string `json:"refresh_token"`
}

type AuditEntry struct {
	EntityType string    `json:"entity_type"`
	EntityID   uuid.UUID `json:"entity_id"`
	Action     string    `json:"action"`
	UserID     uuid.UUID `json:"user_id"`
}