package main

import (
	"errors"
	"fmt"
	"net/http"

	"git.32bit.cafe/32bitcafe/guestbook/internal/forms"
	"git.32bit.cafe/32bitcafe/guestbook/internal/models"
	"git.32bit.cafe/32bitcafe/guestbook/internal/validator"
	"git.32bit.cafe/32bitcafe/guestbook/ui/views"
)

func (app *application) getGuestbookCreate(w http.ResponseWriter, r *http.Request) {
	data := app.newCommonData(r)
	views.GuestbookCreate("New Guestbook", data).Render(r.Context(), w)
}

func (app *application) postGuestbookCreate(w http.ResponseWriter, r *http.Request) {
	userId := app.sessionManager.GetInt64(r.Context(), "authenticatedUserId")
	err := r.ParseForm()
	if err != nil {
		app.serverError(w, r, err)
		return
	}
	siteUrl := r.Form.Get("siteurl")
	shortId := app.createShortId()
	_, err = app.guestbooks.Insert(shortId, siteUrl, userId)
	if err != nil {
		app.serverError(w, r, err)
		return
	}
	app.sessionManager.Put(r.Context(), "flash", "Guestbook successfully created!")
	if r.Header.Get("HX-Request") == "true" {
		w.Header().Add("HX-Trigger", "newGuestbook")
		data := app.newTemplateData(r)
		app.renderHTMX(w, r, http.StatusOK, "guestbookcreatebutton.part.html", data)
		return
	}
	http.Redirect(w, r, fmt.Sprintf("/guestbooks/%s", shortIdToSlug(shortId)), http.StatusSeeOther)
}

func (app *application) getGuestbookList(w http.ResponseWriter, r *http.Request) {
	userId := app.sessionManager.GetInt64(r.Context(), "authenticatedUserId")
	guestbooks, err := app.guestbooks.GetAll(userId)
	if err != nil {
		app.serverError(w, r, err)
		return
	}
	data := app.newCommonData(r)
	views.GuestbookList("Guestbooks", data, guestbooks).Render(r.Context(), w)
}

func (app *application) getGuestbook(w http.ResponseWriter, r *http.Request) {
	slug := r.PathValue("id")
	guestbook, err := app.guestbooks.Get(slugToShortId(slug))
	if err != nil {
		if errors.Is(err, models.ErrNoRecord) {
			http.NotFound(w, r)
		} else {
			app.serverError(w, r, err)
		}
		return
	}
	comments, err := app.guestbookComments.GetAll(guestbook.ID)
	if err != nil {
		app.serverError(w, r, err)
		return
	}
	data := app.newCommonData(r)
	views.GuestbookView("Guestbook", data, guestbook, comments, forms.CommentCreateForm{}).Render(r.Context(), w)
}

func (app *application) getGuestbookDashboard(w http.ResponseWriter, r *http.Request) {
	slug := r.PathValue("id")
	guestbook, err := app.guestbooks.Get(slugToShortId(slug))
	if err != nil {
		if errors.Is(err, models.ErrNoRecord) {
			http.NotFound(w, r)
		} else {
			app.serverError(w, r, err)
		}
		return
	}
	user := app.getCurrentUser(r)
	if user.ID != guestbook.UserId {
		app.clientError(w, http.StatusUnauthorized)
	}
	comments, err := app.guestbookComments.GetAll(guestbook.ID)
	if err != nil {
		app.serverError(w, r, err)
		return
	}
	data := app.newCommonData(r)
	views.GuestbookDashboardView("Guestbook", data, guestbook, comments).Render(r.Context(), w)
}

func (app *application) getGuestbookComments(w http.ResponseWriter, r *http.Request) {
	slug := r.PathValue("id")
	guestbook, err := app.guestbooks.Get(slugToShortId(slug))
	if err != nil {
		if errors.Is(err, models.ErrNoRecord) {
			http.NotFound(w, r)
		} else {
			app.serverError(w, r, err)
		}
		return
	}
	comments, err := app.guestbookComments.GetAll(guestbook.ID)
	if err != nil {
		app.serverError(w, r, err)
		return
	}
	data := app.newCommonData(r)
	views.GuestbookDashboardCommentsView("Comments", data, guestbook, comments).Render(r.Context(), w)
}

func (app *application) getGuestbookCommentCreate(w http.ResponseWriter, r *http.Request) {
	// TODO: This will be the embeddable form
	slug := r.PathValue("id")
	guestbook, err := app.guestbooks.Get(slugToShortId(slug))
	if err != nil {
		if errors.Is(err, models.ErrNoRecord) {
			http.NotFound(w, r)
		} else {
			app.serverError(w, r, err)
		}
		return
	}
	data := app.newTemplateData(r)
	data.Guestbook = guestbook
	data.Form = forms.CommentCreateForm{}
	app.render(w, r, http.StatusOK, "commentcreate.view.tmpl.html", data)
}

func (app *application) postGuestbookCommentCreate(w http.ResponseWriter, r *http.Request) {
	guestbookSlug := r.PathValue("id")
	guestbook, err := app.guestbooks.Get(slugToShortId(guestbookSlug))
	if err != nil {
		if errors.Is(err, models.ErrNoRecord) {
			http.NotFound(w, r)
		} else {
			app.serverError(w, r, err)
		}
		return
	}

	var form forms.CommentCreateForm
	err = app.decodePostForm(r, &form)
	if err != nil {
		app.clientError(w, http.StatusBadRequest)
		return
	}

	form.CheckField(validator.NotBlank(form.AuthorName), "authorName", "This field cannot be blank")
	form.CheckField(validator.MaxChars(form.AuthorName, 256), "authorName", "This field cannot be more than 256 characters long")
	form.CheckField(validator.NotBlank(form.AuthorEmail), "authorEmail", "This field cannot be blank")
	form.CheckField(validator.MaxChars(form.AuthorEmail, 256), "authorEmail", "This field cannot be more than 256 characters long")
	form.CheckField(validator.NotBlank(form.AuthorSite), "authorSite", "This field cannot be blank")
	form.CheckField(validator.MaxChars(form.AuthorSite, 256), "authorSite", "This field cannot be more than 256 characters long")
	form.CheckField(validator.NotBlank(form.Content), "content", "This field cannot be blank")

	if !form.Valid() {
		data := app.newTemplateData(r)
		data.Guestbook = guestbook
		data.Form = form
		app.render(w, r, http.StatusUnprocessableEntity, "commentcreate.view.tmpl.html", data)
		return
	}

	shortId := app.createShortId()
	_, err = app.guestbookComments.Insert(shortId, guestbook.ID, 0, form.AuthorName, form.AuthorEmail, form.AuthorSite, form.Content, "", true)
	if err != nil {
		app.serverError(w, r, err)
		return
	}
	// app.sessionManager.Put(r.Context(), "flash", "Comment successfully posted!")
	http.Redirect(w, r, fmt.Sprintf("/guestbooks/%s", guestbookSlug), http.StatusSeeOther)
}

func (app *application) updateGuestbookComment(w http.ResponseWriter, r *http.Request) {
}

func (app *application) deleteGuestbookComment(w http.ResponseWriter, r *http.Request) {
	// slug := r.PathValue("id")
	// shortId := slugToShortId(slug)
	// app.guestbookComments.Delete(shortId)
}

func (app *application) getCommentQueue(w http.ResponseWriter, r *http.Request) {
	guestbookSlug := r.PathValue("id")
	guestbook, err := app.guestbooks.Get(slugToShortId(guestbookSlug))
	if err != nil {
		if errors.Is(err, models.ErrNoRecord) {
			http.NotFound(w, r)
		} else {
			app.serverError(w, r, err)
		}
		return
	}

	comments, err := app.guestbookComments.GetQueue(guestbook.ID)
	if err != nil {
		if errors.Is(err, models.ErrNoRecord) {
			http.NotFound(w, r)
		} else {
			app.serverError(w, r, err)
		}
		return
	}

	data := app.newCommonData(r)
	views.GuestbookDashboardCommentsView("Message Queue", data, guestbook, comments).Render(r.Context(), w)
}

func (app *application) putHideGuestbookComment(w http.ResponseWriter, r *http.Request) {

}

func (app *application) putDeleteGuestbookComment(w http.ResponseWriter, r *http.Request) {
}