//
// Angular file upload hack
//
// TODO modularize for reuse
function handleFiles(ev) {
  var selector = 'js-file-upload';
  var $scope;
  var vm;

  if ('INPUT' !== ev.target.tagName || 'file' !== ev.target.type || -1 === ev.target.className.indexOf(selector)) {
    return;
  }

  $scope  = angular.element(ev.target).scope();
  // 'vm' is the Controller As name.
  vm = $scope.vm;
  vm.currentFiles = ev.target.files;
  console.log('vm.currentFiles', vm.currentFiles);
}
window.document.body.addEventListener('change', handleFiles);

app.controller('websiteCtrl', [
  '$scope', '$q', 'Auth', 'azp@oauth3.org'
, function ($scope, $q, Auth, Oauth3) {

  var vm = this;
  vm.domains = [];

  Auth.api = function (apiname, opts) {
    var els = [];

    return $q.all(Auth.sessions.map(function (session) {

      return Auth.select(session).then(function (oauth3) {

        return oauth3.api(apiname, {}).then(function (collection) {

          if (collection.error) {
            // not all tokens support all apis
            return;
          }

          if (!Array.isArray(collection)) {
            console.error('collection is not an array');
            console.error(collection);
            return;
          }

          collection.forEach(function (el) {
            els.push(el);
            el.session = session.token.sub + '@' + session.token.iss;
          });

        });
      });
    })).then(function (results) {
      return els;
    });
  };

  vm.getDomains = function () {
    return Auth.oauth3.api('domains.list', {}).then(function (result) {
      vm.domains = result.registrations || result;
    });
  };

  vm.setDomain = function () {
    if (!vm.domains || !vm.domains.length) {
      vm.domain = { domain: vm.newDomain };
      return;
    }

    vm.domains.some(function (domain) {
      if (domain.domain === vm.newDomain) {
        vm.domain = domain;
        return true;
      }
    });

    if (!vm.domain) {
      vm.domain = { domain: vm.newDomain };
    }
  };

  vm.selectDomain = function (domain) {
    vm.domain = domain;
    vm.newDomain = domain.domain;

    return Auth.api('dns.list', { }).then(function (records) {
      records = records.filter(function (r) {
        return /^A(AAA)?$/i.test(r.type) && ((r.sld + '.' + r.tld) === domain || r.zone === domain.domain);
      });
      vm.records = records;
      records.forEach(function (record) {
        if (!record.sub) {
          record.sub = record.host.replace('.' + record.zone, '');
          if (record.host === record.zone) {
            record.sub = '@';
          }
        }
      });
      console.log('dns records', records);
    });
  };

  vm.selectRecord = function (record) {
    vm.record = record;
    vm.newRecord = record.sub;
    vm.currentHost = record.host; // .replace(new RegExp('\\.' + vm.domain.domain.replace(/\./g, '\\.') + '$', ''));
  };

  vm._createWebsite = function (pkg) {
    return pkg.add({
      hostname: vm.currentHost
    , domain: vm.currentHost
    , tld: vm.domain.tld
    , sld: vm.domain.sld
    //, sub: vm.record.sub
    , multipart: { site: vm.currentFiles[0] }
    }).then(function (result) {
      window.alert(JSON.stringify(result));
    });
  };

  vm._isSubDomain = function (sub, domain) {
    return -1 === ('.' + sub).indexOf(('.' + domain));
  };

  vm.createWebsite = function () {
    var pkg = Auth.oauth3.pkg('www@daplie.com');
    var parts;
    var sub;
    var sld;
    var tld;

    console.log('Auth.oauth3', Auth.oauth3);

    //vm.unlock('webpreneur');
    if (!vm.currentFiles || !vm.currentFiles.length) {
      window.alert('No files chosen.');
      return;
    }
    if (1 !== vm.currentFiles.length) {
      window.alert('Too many files chosen.');
      return;
    }
    if (!vm.currentHost) {
      window.alert('No hostname chosen.');
      return;
    }

    // already validated
    if (vm.sites.some(function (r) {
      return -1 !== ('.' + vm.currentHost).indexOf(('.' + r.domain));
    })) {
      vm._createWebsite(pkg);
    }

    if (vm.domain) {
      parts = vm.domain.domain.split('.');
      sld = parts.shift();
      tld = parts.join('.');
    } else {
      parts = vm.currentHost.split('.');
      // TODO get list of tlds
      tld = parts.pop();
      sld = parts.pop();
      sub = parts.join('.');
    }

    // We're making a request to claim a domain
    // (because two users could both claim a single domain)
    // We're claiming it at the top level (i.e. example.com)
    // but we could also claim it at the subdomain level (needs UI update)
    return pkg.request({ sld: sld, tld: tld, sub: undefined }).then(function (result) {
      var sess;
      var prom;
      var def;
      console.log('[pkg www] request domain');
      console.log(result);

      // can validate automatically
      if (vm.domain.session && vm._isSubDomain(vm.currentHost, vm.domain.domain)) {
        // this should always succeed
        Auth.sessions.some(function (session) {
          if (vm.domain.session === (session.token.sub + '@' + session.token.iss)) {
            sess = session;
            return session;
          }
        });

        if (sess) {
          prom = Auth.select(sess).then(function (oauth3) {
            return oauth3.api('dns.set', { sld: sld, tld: tld, sub: ('' + result.data.prefix), type: 'TXT', ttl: 300, value: result.data.challenge });
          });
        }
      }

      if (!prom) {
        def = $q.defer();
        // must validate manually
        window.alert(
          "Please set a TXT record for '"
        + ('' + result.data.prefix) + '.' + sld + '.' + tld
        + "' with the value '" + result.data.challenge + "' and then continue."
        );
        def.resolve();
        prom = def.promise;
      }

      return prom.then(function () {
        vm._createWebsite(pkg);
      });

    });
  };

  vm.listSites = function () {
    var sites = [];

    return $q.all(Auth.sessions.map(function (session) {

      console.log('[www] select');
      return Auth.select(session).then(function (oauth3) {
        console.log('[www] oauth3', oauth3._resourceProviderDirectives);
        var pkg = oauth3.pkg('www@daplie.com');
        console.log('[www] post pkg', oauth3._resourceProviderDirectives);

        return pkg.list().then(function (result) {
          var sites = result.data;

          if (Array.isArray(sites)) {
            sites = sites.concat(sites);
            return;
          }

          console.error('sites is not an array');
          console.error(sites);
        }, function (err) {
          console.error('sites had an error');
          console.error(err);
        });
      });
    })).then(function () {
      vm.sites = sites;
    });
  };

  //vm.getDomains();
  Auth.api('domains.list', {}).then(function (els) {
    console.log('domains.list els', els);
    vm.domains = els;
  });
  vm.listSites();


  $scope.domain = [
    { domainName: "jon.lambson.daplie.com" },
    { domainName: "music.daplie.me" },
    { domainName: "jon.daplie.me" }
  ];

  $scope.localDomainSearch = function(str, domain) {
    var matches = [];
    domain.forEach(function(domain) {
      if ((domain.domainName.toLowerCase().indexOf(str.toString().toLowerCase()) >= 0)) {
        matches.push(domain);
      }
    });
    return matches;
  };
}]);