package domain

import (
	"context"
	"time"

	"gorm.io/datatypes"
)

// PageStatus represents the publication status of a page
type PageStatus string

const (
	PageStatusDraft     PageStatus = "draft"
	PageStatusPublished PageStatus = "published"
	PageStatusArchived  PageStatus = "archived"
)

// PageVisibility represents who can view the page
type PageVisibility string

const (
	PageVisibilityPublic  PageVisibility = "public"
	PageVisibilityPrivate PageVisibility = "private"
	PageVisibilityAdmin   PageVisibility = "admin"
)

// StaticPage represents a static content page
type StaticPage struct {
	ID              string         `gorm:"primaryKey;type:text"`
	Slug            string         `gorm:"uniqueIndex;not null;type:text"`
	Title           string         `gorm:"type:text;not null"`
	Content         string         `gorm:"type:text"`
	MetaDescription string         `gorm:"type:text"`
	SEOKeywords     datatypes.JSON `gorm:"type:jsonb;default:'[]'"` // []string
	Status          PageStatus     `gorm:"type:varchar(20);default:'draft'"`
	Visibility      PageVisibility `gorm:"type:varchar(20);default:'public'"`
	Template        string         `gorm:"type:varchar(100)"`
	PublishedAt     *time.Time     `gorm:"index"`
	CreatedBy       string         `gorm:"type:text"`
	UpdatedBy       string         `gorm:"type:text"`
	CreatedAt       time.Time      `gorm:"autoCreateTime"`
	UpdatedAt       time.Time      `gorm:"autoUpdateTime"`
}

// TableName specifies the table name for GORM
func (StaticPage) TableName() string {
	return "static_pages"
}

// AnnouncementPriority represents the priority of an announcement
type AnnouncementPriority string

const (
	AnnouncementPriorityLow    AnnouncementPriority = "low"
	AnnouncementPriorityNormal AnnouncementPriority = "normal"
	AnnouncementPriorityHigh   AnnouncementPriority = "high"
	AnnouncementPriorityUrgent AnnouncementPriority = "urgent"
)

// AnnouncementDisplayType represents how the announcement is displayed
type AnnouncementDisplayType string

const (
	AnnouncementDisplayBanner       AnnouncementDisplayType = "banner"
	AnnouncementDisplayModal        AnnouncementDisplayType = "modal"
	AnnouncementDisplayNotification AnnouncementDisplayType = "notification"
)

// AnnouncementTargetAudience represents who should see the announcement
type AnnouncementTargetAudience string

const (
	AnnouncementTargetAll           AnnouncementTargetAudience = "all"
	AnnouncementTargetOrganizations AnnouncementTargetAudience = "organizations"
	AnnouncementTargetUsers         AnnouncementTargetAudience = "users"
	AnnouncementTargetSpecific      AnnouncementTargetAudience = "specific"
)

// Announcement represents a system announcement
type Announcement struct {
	ID             string                     `gorm:"primaryKey;type:text"`
	Title          string                     `gorm:"type:text;not null"`
	Content        string                     `gorm:"type:text;not null"`
	Priority       AnnouncementPriority       `gorm:"type:varchar(20);default:'normal'"`
	DisplayType    AnnouncementDisplayType    `gorm:"type:varchar(20);default:'banner'"`
	TargetAudience AnnouncementTargetAudience `gorm:"type:varchar(20);default:'all'"`
	TargetGroups   datatypes.JSON             `gorm:"type:jsonb;default:'[]'"` // []string - for specific groups
	StartDate      *time.Time                 `gorm:"index"`
	EndDate        *time.Time                 `gorm:"index"`
	IsActive       bool                       `gorm:"default:true;index"`
	Views          int64                      `gorm:"default:0"`
	Clicks         int64                      `gorm:"default:0"`
	Dismissals     int64                      `gorm:"default:0"`
	CreatedBy      string                     `gorm:"type:text"`
	UpdatedBy      string                     `gorm:"type:text"`
	CreatedAt      time.Time                  `gorm:"autoCreateTime"`
	UpdatedAt      time.Time                  `gorm:"autoUpdateTime"`
}

// TableName specifies the table name for GORM
func (Announcement) TableName() string {
	return "announcements"
}

// MediaAssetType represents the type of media asset
type MediaAssetType string

const (
	MediaAssetTypeImage    MediaAssetType = "image"
	MediaAssetTypeVideo    MediaAssetType = "video"
	MediaAssetTypeDocument MediaAssetType = "document"
	MediaAssetTypeAudio    MediaAssetType = "audio"
)

// MediaAsset represents a media file
type MediaAsset struct {
	ID           string         `gorm:"primaryKey;type:text"`
	Filename     string         `gorm:"type:text;not null"`
	OriginalName string         `gorm:"type:text;not null"`
	URL          string         `gorm:"type:text;not null"`
	Type         MediaAssetType `gorm:"type:varchar(20);not null;index"`
	MimeType     string         `gorm:"type:varchar(100)"`
	Size         int64          `gorm:"type:bigint"`             // Size in bytes
	Width        *int           `gorm:"type:integer"`            // For images/videos
	Height       *int           `gorm:"type:integer"`            // For images/videos
	Duration     *int           `gorm:"type:integer"`            // For videos/audio in seconds
	AltText      string         `gorm:"type:text"`               // For images
	Tags         datatypes.JSON `gorm:"type:jsonb;default:'[]'"` // []string
	UploadedBy   string         `gorm:"type:text"`
	CreatedAt    time.Time      `gorm:"autoCreateTime;index"`
	UpdatedAt    time.Time      `gorm:"autoUpdateTime"`
}

// TableName specifies the table name for GORM
func (MediaAsset) TableName() string {
	return "media_assets"
}

// StaticPageRepository defines the interface for static page operations
type StaticPageRepository interface {
	Create(ctx context.Context, page *StaticPage) error
	GetByID(ctx context.Context, id string) (*StaticPage, error)
	GetBySlug(ctx context.Context, slug string) (*StaticPage, error)
	GetAll(ctx context.Context) ([]*StaticPage, error)
	Update(ctx context.Context, page *StaticPage) error
	Delete(ctx context.Context, id string) error
	Search(ctx context.Context, query string) ([]*StaticPage, error)
}

// AnnouncementRepository defines the interface for announcement operations
type AnnouncementRepository interface {
	Create(ctx context.Context, announcement *Announcement) error
	GetByID(ctx context.Context, id string) (*Announcement, error)
	GetAll(ctx context.Context, filters AnnouncementFilters) ([]*Announcement, error)
	GetActive(ctx context.Context) ([]*Announcement, error)
	Update(ctx context.Context, announcement *Announcement) error
	Delete(ctx context.Context, id string) error
	RecordView(ctx context.Context, id string) error
	RecordClick(ctx context.Context, id string) error
	RecordDismissal(ctx context.Context, id string) error
}

type AnnouncementFilters struct {
	IsActive  *bool
	Priority  *AnnouncementPriority
	StartDate *time.Time
	EndDate   *time.Time
}

// MediaAssetRepository defines the interface for media asset operations
type MediaAssetRepository interface {
	Create(ctx context.Context, asset *MediaAsset) error
	GetByID(ctx context.Context, id string) (*MediaAsset, error)
	GetAll(ctx context.Context, filters MediaAssetFilters) ([]*MediaAsset, error)
	Update(ctx context.Context, asset *MediaAsset) error
	Delete(ctx context.Context, id string) error
	Search(ctx context.Context, query string) ([]*MediaAsset, error)
}

type MediaAssetFilters struct {
	Type *MediaAssetType
	Tags []string
}