package builder

import (
	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
	"strconv"
)

type PostsBuilder interface {
	Tags(tags string) PostsBuilder
	PageAfter(postID int) PostsBuilder
	pageBefore(postID int) PostsBuilder
	SetLimit(limitUser int) PostsBuilder
	Execute() ([]model.Post, error)
}

func NewGetPostsBuilder(requestContext model.RequestContext) PostsBuilder {
	return &getPosts{
		requestContext: requestContext,
		query:          make(map[string]string),
	}
}

type getPosts struct {
	requestContext model.RequestContext
	query          map[string]string
}

func (g *getPosts) Tags(tags string) PostsBuilder {
	g.query["tags"] = tags
	return g
}

func (g *getPosts) PageAfter(postID int) PostsBuilder {
	g.query["page"] = "a" + strconv.Itoa(postID)
	return g
}

func (g *getPosts) pageBefore(postID int) PostsBuilder {
	g.query["page"] = "b" + strconv.Itoa(postID)
	return g
}

func (g *getPosts) SetLimit(limitUser int) PostsBuilder {
	g.query["limit"] = strconv.Itoa(limitUser)
	return g
}

func (g *getPosts) Execute() ([]model.Post, error) {
	posts, err := endpoints.GetPosts(g.requestContext, g.query)
	if err != nil {

		return nil, err
	}
	return posts, err
}