package models

import (
	"context"
	"strconv"
	"time"

	"git.golem15.com/golem15/summercms/modules/beachcomber"
	"gorm.io/gorm"
)

var _ beachcomber.Searchable = (*Post)(nil)

// SearchableAs is the Typesense collection name (D-12).
func (Post) SearchableAs() string { return "golem15_journal_posts" }

// ShouldBeSearchable is false when the post is unpublished or the
// beachcomber Gate (search_use_typesense) is off.
func (p *Post) ShouldBeSearchable() bool {
	if p == nil || !p.Published || p.PublishedAt == nil || !p.PublishedAt.Before(time.Now()) {
		return false
	}
	return SearchGateEnabled()
}

// ToSearchableArray builds the Typesense document after commit.
func (p *Post) ToSearchableArray(ctx context.Context, db *gorm.DB) (map[string]any, error) {
	if p == nil {
		return nil, nil
	}
	published := 0
	if p.Published && p.PublishedAt != nil && p.PublishedAt.Before(time.Now()) {
		published = 1
	}
	pinned := 0
	if p.IsPinned {
		pinned = 1
	}
	var publishedAt int64
	if p.PublishedAt != nil {
		publishedAt = p.PublishedAt.Unix()
	}
	var createdAt int64
	if p.CreatedAt != nil {
		createdAt = p.CreatedAt.Unix()
	}
	userID := 0
	if p.UserID != nil {
		userID = int(*p.UserID)
	}
	catIDs := make([]int, 0, len(p.Categories))
	tagIDs := make([]int, 0, len(p.Tags))
	if db != nil {
		var cats []PostCategory
		if err := db.WithContext(ctx).Where("post_id = ?", p.ID).Find(&cats).Error; err == nil {
			for _, c := range cats {
				catIDs = append(catIDs, int(c.CategoryID))
			}
		}
		var tags []PostTag
		if err := db.WithContext(ctx).Where("post_id = ?", p.ID).Find(&tags).Error; err == nil {
			for _, t := range tags {
				tagIDs = append(tagIDs, int(t.TagID))
			}
		}
	}
	return map[string]any{
		"id":           strconv.FormatUint(uint64(p.ID), 10),
		"published":    published,
		"published_at": publishedAt,
		"is_pinned":    pinned,
		"user_id":      userID,
		"created_at":   createdAt,
		"category_ids": catIDs,
		"tag_ids":      tagIDs,
		"title":        p.Title,
		"excerpt":      p.Excerpt,
		"content":      p.Content,
	}, nil
}