package handlers

import (
	"fmt"
	"strconv"

	"github.com/gofiber/fiber/v3"
	"lmika.dev/lmika/weiro/models"
	"lmika.dev/lmika/weiro/services/posts"
)

type PostsHandler struct {
	PostService *posts.Service
}

func (ph PostsHandler) Index(c fiber.Ctx) error {
	posts, err := ph.PostService.ListPosts(c.Context())
	if err != nil {
		return err
	}

	return c.Render("posts/index", fiber.Map{
		"posts": posts,
	})
}

func (ph PostsHandler) New(c fiber.Ctx) error {
	p := models.Post{
		GUID: models.NewNanoID(),
	}

	return c.Render("posts/edit", fiber.Map{
		"post": p,
	})
}

func (ph PostsHandler) Edit(c fiber.Ctx) error {
	postIDStr := c.Params("postID")
	if postIDStr == "" {
		return fiber.ErrBadRequest
	}
	postID, err := strconv.ParseInt(postIDStr, 10, 64)
	if err != nil {
		return fiber.ErrBadRequest
	}

	post, err := ph.PostService.GetPost(c.Context(), postID)
	if err != nil {
		return err
	}

	return c.Render("posts/edit", fiber.Map{
		"post": post,
	})
}

func (ph PostsHandler) Update(c fiber.Ctx) error {
	var req posts.CreatePostParams
	if err := c.Bind().Body(&req); err != nil {
		return err
	}

	post, err := ph.PostService.PublishPost(c.Context(), req)
	if err != nil {
		return err
	}

	return c.Redirect().To(fmt.Sprintf("/sites/%v/posts", post.SiteID))
}