package de.jottyfan.bico.modules;

import java.security.Principal;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.oauth2.client.authentication.OAuth2AuthenticationToken;
import org.springframework.security.oauth2.core.user.OAuth2User;
import org.springframework.web.bind.annotation.ModelAttribute;

import de.jottyfan.bico.Main;
import de.jottyfan.bico.modules.profile.ProfileService;

/**
 *
 * @author jotty
 *
 */
public abstract class CommonController {
	private static final List<String> admins = List.of("andre.sieber", "tobias.kuehne", "jotty");

	@Autowired
	private ProfileService profileService;

	@Value("${spring.security.oauth2.client.provider.nextcloud.issuer-uri}")
	private String nextcloudUrl;

	@ModelAttribute("isCampAdmin")
	public Boolean isCampAdmin(Principal principal) {
		return principal == null ? false : admins.contains(principal.getName());
	}

	@ModelAttribute("hasBUrole")
	public Boolean hasBURole(Principal principal) {
		OAuth2AuthenticationToken token = (OAuth2AuthenticationToken) principal;
		if (token != null) {
			OAuth2User user = token.getPrincipal();
			@SuppressWarnings("unchecked")
			List<String> roles = (List<String>) user.getAttributes().get("roles");
			return roles.contains("Bibelunterricht");
		} else {
			Main.LOGGER.warn("token is null, no roles can be detected");
			return false;
		}
	}

	@ModelAttribute("hasDateRole")
	public Boolean hasDateRole(Principal principal) {
		OAuth2AuthenticationToken token = (OAuth2AuthenticationToken) principal;
		if (token != null) {
			OAuth2User user = token.getPrincipal();
			@SuppressWarnings("unchecked")
			List<String> roles = (List<String>) user.getAttributes().get("roles");
			return roles.contains("Kinderstunde klein");
		} else {
			Main.LOGGER.warn("token is null, no roles can be detected");
			return false;
		}
	}

	@ModelAttribute("hasAnyRole")
	public Boolean hasAnyRole(Principal principal) {
		OAuth2AuthenticationToken token = (OAuth2AuthenticationToken) principal;
		if (token != null) {
			OAuth2User user = token.getPrincipal();
			@SuppressWarnings("unchecked")
			List<String> roles = (List<String>) user.getAttributes().get("roles");
			return roles.size() > 0;
		} else {
			Main.LOGGER.warn("token is null, no roles can be detected");
			return false;
		}
	}

	/**
	 * get the theme for the current session
	 *
	 * @return the theme; light or dark at the moment
	 */
	@ModelAttribute("theme")
	public String getTheme() {
		String username = SecurityContextHolder.getContext().getAuthentication().getName();
		return profileService.getTheme(username);
	}

	@ModelAttribute("nextcloudUrl")
	public String getNextcloudUrl() {
		return nextcloudUrl;
	}
}