package comments

import (
	"time"
)

// Deletion reason constants
const (
	DeletionReasonAuthor    = "author"    // User deleted their own comment
	DeletionReasonModerator = "moderator" // Community moderator removed the comment
)

// Comment represents a comment in the AppView database
// Comments are indexed from the firehose after being written to user repositories
type Comment struct {
	IndexedAt       time.Time  `json:"indexedAt" db:"indexed_at"`
	CreatedAt       time.Time  `json:"createdAt" db:"created_at"`
	ContentFacets   *string    `json:"contentFacets,omitempty" db:"content_facets"`
	DeletedAt       *time.Time `json:"deletedAt,omitempty" db:"deleted_at"`
	DeletionReason  *string    `json:"deletionReason,omitempty" db:"deletion_reason"`
	DeletedBy       *string    `json:"deletedBy,omitempty" db:"deleted_by"`
	ContentLabels   *string    `json:"labels,omitempty" db:"content_labels"`
	Embed           *string    `json:"embed,omitempty" db:"embed"`
	CommenterHandle string     `json:"commenterHandle,omitempty" db:"-"`
	CommenterDID    string     `json:"commenterDid" db:"commenter_did"`
	ParentURI       string     `json:"parentUri" db:"parent_uri"`
	ParentCID       string     `json:"parentCid" db:"parent_cid"`
	Content         string     `json:"content" db:"content"`
	RootURI         string     `json:"rootUri" db:"root_uri"`
	URI             string     `json:"uri" db:"uri"`
	RootCID         string     `json:"rootCid" db:"root_cid"`
	CID             string     `json:"cid" db:"cid"`
	RKey            string     `json:"rkey" db:"rkey"`
	Langs           []string   `json:"langs,omitempty" db:"langs"`
	ID              int64      `json:"id" db:"id"`
	UpvoteCount     int        `json:"upvoteCount" db:"upvote_count"`
	DownvoteCount   int        `json:"downvoteCount" db:"downvote_count"`
	Score           int        `json:"score" db:"score"`
	ReplyCount      int        `json:"replyCount" db:"reply_count"`
}

// CommentRecord represents the atProto record structure indexed from Jetstream
// This is the data structure that gets stored in the user's repository
// Matches social.coves.community.comment lexicon
type CommentRecord struct {
	Embed     interface{}  `json:"embed,omitempty"`
	Labels    *SelfLabels  `json:"labels,omitempty"`
	Reply     ReplyRef     `json:"reply"`
	Type      string       `json:"$type"`
	Content   string       `json:"content"`
	CreatedAt string       `json:"createdAt"`
	Facets    []interface{} `json:"facets,omitempty"`
	Langs     []string     `json:"langs,omitempty"`
}

// ReplyRef represents the threading structure from the comment lexicon
// Root always points to the original post, parent points to the immediate parent
type ReplyRef struct {
	Root   StrongRef `json:"root"`
	Parent StrongRef `json:"parent"`
}

// StrongRef represents a strong reference to a record (URI + CID)
// Matches com.atproto.repo.strongRef
type StrongRef struct {
	URI string `json:"uri"`
	CID string `json:"cid"`
}

// SelfLabels represents self-applied content labels per com.atproto.label.defs#selfLabels
// This is the structured format used in atProto for content warnings
type SelfLabels struct {
	Values []SelfLabel `json:"values"`
}

// SelfLabel represents a single label value per com.atproto.label.defs#selfLabel
// Neg is optional and negates the label when true
type SelfLabel struct {
	Neg *bool  `json:"neg,omitempty"`
	Val string `json:"val"`
}