package models

import (
	"encoding/json"
	"time"
)

// LibraryCollection is an admin-managed collection scoped to one or more libraries.
type LibraryCollection struct {
	ID                  string
	LibraryID           int
	LibraryIDs          []int
	Slug                string
	Title               string
	Description         string
	CollectionType      string
	Visibility          string
	SortOrder           int
	GroupID             *string
	Featured            bool
	PosterURL           string
	BackdropURL         string
	PosterThumbhash     string
	BackdropThumbhash   string
	PosterAutoGenerated bool
	// PosterFromTemplate flags posters set by a template bundle apply.
	// ensureTemplatePoster sets this true; the guard treats template-origin
	// posters as refreshable so template poster updates propagate, while
	// admin-uploaded posters (PosterAutoGenerated=false AND PosterFromTemplate=false)
	// remain sticky.
	PosterFromTemplate bool
	SourceURL           string
	QueryDefinition     json.RawMessage
	SortConfig          json.RawMessage
	SourceConfig        json.RawMessage
	ManagementMode      string
	ManagementSource    string
	ManagementKey       string
	LastSyncStatus      string
	LastSyncMessage     string
	LastSyncAt          *time.Time
	SyncSchedule        *string
	NextSyncAt          *time.Time
	ItemCount           int
	CreatedAt           time.Time
	UpdatedAt           time.Time
}

type LibraryCollectionGroupKind string

const (
	GroupKindRegular         LibraryCollectionGroupKind = "regular"
	GroupKindUserCollections LibraryCollectionGroupKind = "user_collections"
)

type GroupSortMode string

const (
	GroupSortManual    GroupSortMode = "manual"
	GroupSortNameAsc   GroupSortMode = "name_asc"
	GroupSortNameDesc  GroupSortMode = "name_desc"
	GroupSortRecent    GroupSortMode = "recent"
	GroupSortMostItems GroupSortMode = "most_items"
)

// LibraryCollectionGroup is a per-library bucket that groups collections in the
// gallery view. Collections without a group_id fall into the implicit
// "Ungrouped" section that lives outside this table.
type LibraryCollectionGroup struct {
	ID              string
	LibraryID       int
	Name            string
	Slug            string
	Kind            LibraryCollectionGroupKind
	DefaultSortMode GroupSortMode
	SortOrder       int
	CreatedAt       time.Time
	UpdatedAt       time.Time
}

// LibraryCollectionItem is a resolved membership entry for a library collection.
type LibraryCollectionItem struct {
	CollectionID string
	MediaItemID  string
	Position     int
	SourceRank   int
	CreatedAt    time.Time
	UpdatedAt    time.Time
}

// LibraryCollectionSyncRun captures the outcome of a collection sync/import run.
type LibraryCollectionSyncRun struct {
	ID             string
	CollectionID   string
	Status         string
	Message        string
	ItemsAdded     int
	ItemsRemoved   int
	ItemsMatched   int
	ItemsUnmatched int
	Warnings       json.RawMessage
	StartedAt      *time.Time
	CompletedAt    *time.Time
	CreatedAt      time.Time
}