import { API_URL } from '$env/static/private';

import type { Actions, PageServerLoad } from './$types';

import type { Chapter, Group } from '$lib/types';
import { redirect } from '@sveltejs/kit';

export const load = (async ({ locals: { user }, fetch, cookies, params: { chapterId } }) => {

  if (!user) redirect(302, '/login');

  const session = cookies.get('session');

  let res = await fetch(`${API_URL}/chapter/${chapterId}`, {
    headers: {
      Authorization: `Bearer ${session}`
    }
  });

  if (!res.ok) {
    redirect(302, '/chapters');
  }

  const chapter = (await res.json()) as Chapter;

  if (!chapter || !chapter.show && !(chapter.start && chapter.end)) {
    redirect(302, '/chapters');
  }

  res = await fetch(`${API_URL}/groups/${chapter.id}`, {
    headers:
    {
      Authorization: `Bearer ${session}`
    }
  });

  if (!res.ok) {
    redirect(302, `/chapters/${chapterId}`);
  }

  const groups = (await res.json()) as Group[];

  return {
    title: `${chapter.name} - Groups`,
    chapter,
    groups
  };
}) satisfies PageServerLoad;


export const actions: Actions = {
  join: async ({ fetch, params: { chapterId }, cookies, request }) => {

    const data = await request.formData();

    const name = data.get('name') as string;

    const session = cookies.get('session');

    const res = await fetch(`${API_URL}/groupJoin`, {
      method: 'POST',
      headers: {
        Authorization: `Bearer ${session}`
      },
      body: JSON.stringify({
        name,
        chapter: parseInt(chapterId),
      })
    });

    if (res.ok) {
      return {
        success: true,
        message: 'Vous avez rejoint le groupe'
      }
    }

    if (res.status === 403) {
      return {
        success: false,
        message: 'Vous êtes déjà dans un groupe'
      };
    }

    if (res.status === 423) {
      return {
        success: false,
        message: 'Vous ne pouvez plus rejoindre de groupe'
      };
    }

    return {
      success: false,
      message: "Une erreur s'est produite"
    };
  },
  leave: async ({ fetch, params: { chapterId }, cookies, request }) => {

    const data = await request.formData();

    const name = data.get('name') as string;

    const session = cookies.get('session');

    const res = await fetch(`${API_URL}/groupQuit`, {
      method: 'POST',
      headers: {
        Authorization: `Bearer ${session}`
      },
      body: JSON.stringify({
        name,
        chapter: parseInt(chapterId),
      })
    });

    if (res.ok) {
      return {
        success: true,
        message: 'Vous avez quitté le groupe'
      }
    }

    if (res.status === 403) {
      return {
        success: false,
        message: "Vous n'êtes pas dans ce groupe"
      };
    }

    if (res.status === 423) {
      return {
        success: false,
        message: "Vous ne pouvez pas quitter ce groupe maintenant"
      };
    }

    return {
      success: false,
      message: "Une erreur s'est produite"
    };
  }
};