package db

import (
	"context"
	"github.com/jackc/pgx/v5/pgtype"
	"lmika.dev/lmika/hugo-cms/gen/sqlc/dbq"
	"lmika.dev/lmika/hugo-cms/models"
	"lmika.dev/pkg/modash/moslice"
	"time"
)

func (db *DB) ListPostsOfSite(ctx context.Context, siteID int64) ([]models.Post, error) {
	res, err := db.q.ListPosts(ctx, siteID)
	if err != nil {
		return nil, err
	}

	return moslice.Map(res, dbPostToPost), nil
}

func (db *DB) GetPost(ctx context.Context, postID int64) (models.Post, error) {
	res, err := db.q.GetPostWithID(ctx, postID)
	if err != nil {
		return models.Post{}, err
	}

	return dbPostToPost(res), nil
}

func (db *DB) ListPublishablePosts(ctx context.Context, fromID, siteID int64, now time.Time) ([]models.Post, error) {
	res, err := db.q.ListPublishablePosts(ctx, dbq.ListPublishablePostsParams{
		ID:       fromID,
		SiteID:   siteID,
		PostDate: pgtype.Timestamptz{Time: now, Valid: true},
	})
	if err != nil {
		return nil, err
	}

	return moslice.Map(res, dbPostToPost), nil
}

func (db *DB) InsertPost(ctx context.Context, p *models.Post) error {
	res, err := db.q.InsertPost(ctx, dbq.InsertPostParams{
		SiteID:    p.SiteID,
		Title:     pgtype.Text{String: p.Title, Valid: p.Title != ""},
		Body:      p.Body,
		State:     dbq.PostState(p.State),
		Props:     []byte(`{}`),
		PostDate:  pgtype.Timestamptz{Time: p.PostDate, Valid: !p.PostDate.IsZero()},
		CreatedAt: pgtype.Timestamp{Time: p.CreatedAt, Valid: !p.CreatedAt.IsZero()},
	})
	if err != nil {
		return err
	}

	p.ID = res
	return nil
}

func (db *DB) UpdatePost(ctx context.Context, p *models.Post) error {
	return db.q.UpdatePost(ctx, dbq.UpdatePostParams{
		ID:       p.ID,
		SiteID:   p.SiteID,
		Title:    pgtype.Text{String: p.Title, Valid: p.Title != ""},
		Body:     p.Body,
		State:    dbq.PostState(p.State),
		Props:    []byte(`{}`),
		PostDate: pgtype.Timestamptz{Time: p.PostDate, Valid: !p.PostDate.IsZero()},
		//CreatedAt: pgtype.Timestamp{Time: p.CreatedAt, Valid: !p.CreatedAt.IsZero()},
	})
}

func dbPostToPost(p dbq.Post) models.Post {
	return models.Post{
		ID:        p.ID,
		SiteID:    p.SiteID,
		Title:     p.Title.String,
		Body:      p.Body,
		State:     models.PostState(p.State),
		PostDate:  p.PostDate.Time,
		CreatedAt: p.CreatedAt.Time,
	}
}