package domain

import (
	"time"

	"gorm.io/gorm"
)

type User struct {
	ID           uint   `gorm:"primaryKey"`
	Email        string `gorm:"uniqueIndex;not null"`
	DisplayName  string `gorm:"not null"`
	PasswordHash string `gorm:"not null"`
	Role         string `gorm:"not null;default:user"`
	CreatedAt    time.Time
	UpdatedAt    time.Time
}

type Project struct {
	ID          uint   `gorm:"primaryKey"`
	OwnerID     uint   `gorm:"index;not null"`
	Name        string `gorm:"not null"`
	Description string
	CreatedAt   time.Time
	UpdatedAt   time.Time
}

type InboxItem struct {
	ID         uint   `gorm:"primaryKey"`
	ProjectID  uint   `gorm:"index;not null"`
	CreatedBy  uint   `gorm:"index;not null"`
	SourceType string `gorm:"not null"`
	Title      string
	Body       string
	Status     string `gorm:"not null;default:open"`
	CreatedAt  time.Time
	UpdatedAt  time.Time
}

type Task struct {
	ID          uint   `gorm:"primaryKey"`
	ProjectID   uint   `gorm:"index;not null"`
	CreatedBy   uint   `gorm:"index;not null"`
	AssigneeID  *uint  `gorm:"index"`
	Title       string `gorm:"not null"`
	Description string
	Status      string `gorm:"not null;default:open"`
	SortOrder   int    `gorm:"not null;default:0"`
	DueAt       *time.Time
	CreatedAt   time.Time
	UpdatedAt   time.Time
}

type Note struct {
	ID        uint   `gorm:"primaryKey"`
	ProjectID uint   `gorm:"index;not null"`
	CreatedBy uint   `gorm:"index;not null"`
	Title     string `gorm:"not null"`
	Markdown  string `gorm:"type:text"`
	CreatedAt time.Time
	UpdatedAt time.Time
}

type Source struct {
	ID          uint   `gorm:"primaryKey"`
	ProjectID   uint   `gorm:"index;not null"`
	CreatedBy   uint   `gorm:"index;not null"`
	Kind        string `gorm:"not null"`
	Title       string `gorm:"not null"`
	URL         string
	FilePath    string
	ContentText string `gorm:"type:text"`
	CreatedAt   time.Time
	UpdatedAt   time.Time
}

type AISession struct {
	ID        uint   `gorm:"primaryKey"`
	ProjectID uint   `gorm:"index;not null"`
	CreatedBy uint   `gorm:"index;not null"`
	Title     string `gorm:"not null"`
	Context   string `gorm:"type:text"`
	CreatedAt time.Time
	UpdatedAt time.Time
}

type Tag struct {
	ID        uint   `gorm:"primaryKey"`
	ProjectID uint   `gorm:"index;not null"`
	Name      string `gorm:"not null"`
	CreatedAt time.Time
}

type ProjectEvent struct {
	ID         uint   `gorm:"primaryKey"`
	ProjectID  uint   `gorm:"index;not null"`
	ActorID    uint   `gorm:"index;not null"`
	EventType  string `gorm:"not null"`
	EntityType string `gorm:"not null"`
	EntityID   uint   `gorm:"not null"`
	Summary    string `gorm:"not null"`
	CreatedAt  time.Time
}

type AIKey struct {
	ID              uint   `gorm:"primaryKey"`
	UserID          uint   `gorm:"uniqueIndex;not null"`
	Provider        string `gorm:"not null"`
	EncryptedAPIKey string `gorm:"not null"`
	CreatedAt       time.Time
	UpdatedAt       time.Time
}

type AICallLog struct {
	ID          uint   `gorm:"primaryKey"`
	UserID      uint   `gorm:"index;not null"`
	Provider    string `gorm:"not null"`
	UsedKeyType string `gorm:"not null"`
	Action      string `gorm:"not null"`
	Status      string `gorm:"not null"`
	Error       string
	CreatedAt   time.Time
}

type TaskShare struct {
	ID         uint   `gorm:"primaryKey"`
	TaskID     uint   `gorm:"index;not null"`
	ObjectType string `gorm:"not null"`
	ObjectID   uint   `gorm:"not null"`
	CreatedAt  time.Time
}

func AutoMigrate(database *gorm.DB) error {
	return database.AutoMigrate(
		&User{}, &Project{}, &InboxItem{}, &Task{}, &Note{}, &Source{},
		&AISession{}, &Tag{}, &ProjectEvent{}, &AIKey{}, &AICallLog{}, &TaskShare{},
	)
}