package model

import (
	"database/sql"
	"time"
)

type User struct {
	ID                   int64          `db:"id" json:"id"`
	Email                string         `db:"email" json:"email"`
	Username             string         `db:"username" json:"username"`
	PasswordHash         string         `db:"password_hash" json:"-"`
	EmailVerified        bool           `db:"email_verified" json:"email_verified"`
	TelegramChatID       sql.NullInt64  `db:"telegram_chat_id" json:"-"`
	TelegramChatIDValue  *int64         `db:"-" json:"telegram_chat_id"`
	NotificationsEnabled bool           `db:"notifications_enabled" json:"notifications_enabled"`
	Timezone             string         `db:"timezone" json:"timezone"`
	MorningReminderTime  sql.NullString `db:"morning_reminder_time" json:"-"`
	EveningReminderTime  sql.NullString `db:"evening_reminder_time" json:"-"`
	MorningTime          string         `db:"-" json:"morning_reminder_time"`
	EveningTime          string         `db:"-" json:"evening_reminder_time"`
	CreatedAt            time.Time      `db:"created_at" json:"created_at"`
	UpdatedAt            time.Time      `db:"updated_at" json:"updated_at"`
}

func (u *User) ProcessForJSON() {
	if u.TelegramChatID.Valid {
		u.TelegramChatIDValue = &u.TelegramChatID.Int64
	}
	if u.MorningReminderTime.Valid {
		u.MorningTime = u.MorningReminderTime.String[:5] // "09:00:00" -> "09:00"
	} else {
		u.MorningTime = "09:00"
	}
	if u.EveningReminderTime.Valid {
		u.EveningTime = u.EveningReminderTime.String[:5]
	} else {
		u.EveningTime = "21:00"
	}
}

type RegisterRequest struct {
	Email    string `json:"email"`
	Username string `json:"username"`
	Password string `json:"password"`
}

type LoginRequest struct {
	Email    string `json:"email"`
	Password string `json:"password"`
}

type UpdateProfileRequest struct {
	Username             *string `json:"username,omitempty"`
	TelegramChatID       *int64  `json:"telegram_chat_id,omitempty"`
	NotificationsEnabled *bool   `json:"notifications_enabled,omitempty"`
	Timezone             *string `json:"timezone,omitempty"`
	MorningReminderTime  *string `json:"morning_reminder_time,omitempty"`
	EveningReminderTime  *string `json:"evening_reminder_time,omitempty"`
}

type ChangePasswordRequest struct {
	OldPassword string `json:"old_password"`
	NewPassword string `json:"new_password"`
}

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

type RefreshRequest struct {
	RefreshToken string `json:"refresh_token"`
}