import getURL from "discourse-common/lib/get-url";
import I18n from "I18n";
import discourseComputed from "discourse-common/utils/decorators";
import { filter, or, gt, lt, not } from "@ember/object/computed";
import { iconHTML } from "discourse-common/lib/icon-library";
import { ajax } from "discourse/lib/ajax";
import { propertyNotEqual } from "discourse/lib/computed";
import { popupAjaxError } from "discourse/lib/ajax-error";
import Group from "discourse/models/group";
import DiscourseURL, { userPath } from "discourse/lib/url";
import { Promise } from "rsvp";
import User from "discourse/models/user";

const wrapAdmin = user => (user ? AdminUser.create(user) : null);

const AdminUser = User.extend({
  adminUserView: true,
  customGroups: filter("groups", g => !g.automatic && Group.create(g)),
  automaticGroups: filter("groups", g => g.automatic && Group.create(g)),

  canViewProfile: or("active", "staged"),

  @discourseComputed("bounce_score", "reset_bounce_score_after")
  bounceScore(bounce_score, reset_bounce_score_after) {
    if (bounce_score > 0) {
      return `${bounce_score} - ${moment(reset_bounce_score_after).format(
        "LL"
      )}`;
    } else {
      return bounce_score;
    }
  },

  @discourseComputed("bounce_score")
  bounceScoreExplanation(bounce_score) {
    if (bounce_score === 0) {
      return I18n.t("admin.user.bounce_score_explanation.none");
    } else if (bounce_score < Discourse.SiteSettings.bounce_score_threshold) {
      return I18n.t("admin.user.bounce_score_explanation.some");
    } else {
      return I18n.t("admin.user.bounce_score_explanation.threshold_reached");
    }
  },

  @discourseComputed
  bounceLink() {
    return getURL("/admin/email/bounced");
  },

  canResetBounceScore: gt("bounce_score", 0),

  resetBounceScore() {
    return ajax(`/admin/users/${this.id}/reset_bounce_score`, {
      type: "POST"
    }).then(() =>
      this.setProperties({
        bounce_score: 0,
        reset_bounce_score_after: null
      })
    );
  },

  groupAdded(added) {
    return ajax(`/admin/users/${this.id}/groups`, {
      type: "POST",
      data: { group_id: added.id }
    }).then(() => this.groups.pushObject(added));
  },

  groupRemoved(groupId) {
    return ajax(`/admin/users/${this.id}/groups/${groupId}`, {
      type: "DELETE"
    }).then(() => {
      this.set("groups.[]", this.groups.rejectBy("id", groupId));
      if (this.primary_group_id === groupId) {
        this.set("primary_group_id", null);
      }
    });
  },

  deleteAllPosts() {
    let deletedPosts = 0;
    const user = this;
    const message = I18n.messageFormat(
      "admin.user.delete_all_posts_confirm_MF",
      {
        POSTS: user.get("post_count"),
        TOPICS: user.get("topic_count")
      }
    );
    const buttons = [
      {
        label: I18n.t("composer.cancel"),
        class: "d-modal-cancel",
        link: true
      },
      {
        label:
          `${iconHTML("exclamation-triangle")} ` +
          I18n.t("admin.user.delete_all_posts"),
        class: "btn btn-danger",
        callback: () => {
          openProgressModal();
          performDelete();
        }
      }
    ];
    const openProgressModal = () => {
      bootbox.dialog(
        `<p>${I18n.t(
          "admin.user.delete_posts_progress"
        )}</p><div class='progress-bar'><span></span></div>`,
        [],
        { classes: "delete-posts-progress" }
      );
    };
    const performDelete = () => {
      let deletedPercentage = 0;
      return ajax(`/admin/users/${user.get("id")}/delete_posts_batch`, {
        type: "PUT"
      })
        .then(({ posts_deleted }) => {
          if (posts_deleted === 0) {
            user.set("post_count", 0);
            bootbox.hideAll();
          } else {
            deletedPosts += posts_deleted;
            deletedPercentage = Math.floor(
              (deletedPosts * 100) / user.get("post_count")
            );
            $(".delete-posts-progress .progress-bar > span").css({
              width: `${deletedPercentage}%`
            });
            performDelete();
          }
        })
        .catch(e => {
          bootbox.hideAll();
          let error;
          AdminUser.find(user.get("id")).then(u => user.setProperties(u));
          if (e.responseJSON && e.responseJSON.errors) {
            error = e.responseJSON.errors[0];
          }
          error = error || I18n.t("admin.user.delete_posts_failed");
          bootbox.alert(error);
        });
    };

    bootbox.dialog(message, buttons, { classes: "delete-all-posts" });
  },

  revokeAdmin() {
    return ajax(`/admin/users/${this.id}/revoke_admin`, {
      type: "PUT"
    }).then(() => {
      this.setProperties({
        admin: false,
        can_grant_admin: true,
        can_revoke_admin: false
      });
    });
  },

  grantAdmin() {
    return ajax(`/admin/users/${this.id}/grant_admin`, {
      type: "PUT"
    })
      .then(() => {
        bootbox.alert(I18n.t("admin.user.grant_admin_confirm"));
      })
      .catch(popupAjaxError);
  },

  revokeModeration() {
    return ajax(`/admin/users/${this.id}/revoke_moderation`, {
      type: "PUT"
    })
      .then(() => {
        this.setProperties({
          moderator: false,
          can_grant_moderation: true,
          can_revoke_moderation: false
        });
      })
      .catch(popupAjaxError);
  },

  grantModeration() {
    return ajax(`/admin/users/${this.id}/grant_moderation`, {
      type: "PUT"
    })
      .then(() => {
        this.setProperties({
          moderator: true,
          can_grant_moderation: false,
          can_revoke_moderation: true
        });
      })
      .catch(popupAjaxError);
  },

  disableSecondFactor() {
    return ajax(`/admin/users/${this.id}/disable_second_factor`, {
      type: "PUT"
    })
      .then(() => {
        this.set("second_factor_enabled", false);
      })
      .catch(popupAjaxError);
  },

  approve(approvedBy) {
    return ajax(`/admin/users/${this.id}/approve`, {
      type: "PUT"
    }).then(() => {
      this.setProperties({
        can_approve: false,
        approved: true,
        approved_by: approvedBy
      });
    });
  },

  setOriginalTrustLevel() {
    this.set("originalTrustLevel", this.trust_level);
  },

  dirty: propertyNotEqual("originalTrustLevel", "trust_level"),

  saveTrustLevel() {
    return ajax(`/admin/users/${this.id}/trust_level`, {
      type: "PUT",
      data: { level: this.trust_level }
    })
      .then(() => window.location.reload())
      .catch(e => {
        let error;
        if (e.responseJSON && e.responseJSON.errors) {
          error = e.responseJSON.errors[0];
        }
        error =
          error ||
          I18n.t("admin.user.trust_level_change_failed", {
            error: this._formatError(e)
          });
        bootbox.alert(error);
      });
  },

  restoreTrustLevel() {
    this.set("trust_level", this.originalTrustLevel);
  },

  lockTrustLevel(locked) {
    return ajax(`/admin/users/${this.id}/trust_level_lock`, {
      type: "PUT",
      data: { locked: !!locked }
    })
      .then(() => window.location.reload())
      .catch(e => {
        let error;
        if (e.responseJSON && e.responseJSON.errors) {
          error = e.responseJSON.errors[0];
        }
        error =
          error ||
          I18n.t("admin.user.trust_level_change_failed", {
            error: this._formatError(e)
          });
        bootbox.alert(error);
      });
  },

  canLockTrustLevel: lt("trust_level", 4),

  canSuspend: not("staff"),

  @discourseComputed("suspended_till", "suspended_at")
  suspendDuration(suspendedTill, suspendedAt) {
    suspendedAt = moment(suspendedAt);
    suspendedTill = moment(suspendedTill);
    return suspendedAt.format("L") + " - " + suspendedTill.format("L");
  },

  suspend(data) {
    return ajax(`/admin/users/${this.id}/suspend`, {
      type: "PUT",
      data
    }).then(result => this.setProperties(result.suspension));
  },

  unsuspend() {
    return ajax(`/admin/users/${this.id}/unsuspend`, {
      type: "PUT"
    }).then(result => this.setProperties(result.suspension));
  },

  logOut() {
    return ajax("/admin/users/" + this.id + "/log_out", {
      type: "POST",
      data: { username_or_email: this.username }
    }).then(() => bootbox.alert(I18n.t("admin.user.logged_out")));
  },

  impersonate() {
    return ajax("/admin/impersonate", {
      type: "POST",
      data: { username_or_email: this.username }
    })
      .then(() => (document.location = getURL("/")))
      .catch(e => {
        if (e.status === 404) {
          bootbox.alert(I18n.t("admin.impersonate.not_found"));
        } else {
          bootbox.alert(I18n.t("admin.impersonate.invalid"));
        }
      });
  },

  activate() {
    return ajax(`/admin/users/${this.id}/activate`, {
      type: "PUT"
    })
      .then(() => window.location.reload())
      .catch(e => {
        const error = I18n.t("admin.user.activate_failed", {
          error: this._formatError(e)
        });
        bootbox.alert(error);
      });
  },

  deactivate() {
    return ajax(`/admin/users/${this.id}/deactivate`, {
      type: "PUT",
      data: { context: document.location.pathname }
    })
      .then(() => window.location.reload())
      .catch(e => {
        const error = I18n.t("admin.user.deactivate_failed", {
          error: this._formatError(e)
        });
        bootbox.alert(error);
      });
  },

  unsilence() {
    this.set("silencingUser", true);

    return ajax(`/admin/users/${this.id}/unsilence`, {
      type: "PUT"
    })
      .then(result => this.setProperties(result.unsilence))
      .catch(e => {
        const error = I18n.t("admin.user.unsilence_failed", {
          error: this._formatError(e)
        });
        bootbox.alert(error);
      })
      .finally(() => this.set("silencingUser", false));
  },

  silence(data) {
    this.set("silencingUser", true);
    return ajax(`/admin/users/${this.id}/silence`, {
      type: "PUT",
      data
    })
      .then(result => this.setProperties(result.silence))
      .catch(e => {
        const error = I18n.t("admin.user.silence_failed", {
          error: this._formatError(e)
        });
        bootbox.alert(error);
      })
      .finally(() => this.set("silencingUser", false));
  },

  sendActivationEmail() {
    return ajax(userPath("action/send_activation_email"), {
      type: "POST",
      data: { username: this.username }
    })
      .then(() => bootbox.alert(I18n.t("admin.user.activation_email_sent")))
      .catch(popupAjaxError);
  },

  anonymize() {
    const user = this;
    const message = I18n.t("admin.user.anonymize_confirm");

    const performAnonymize = function() {
      return ajax(`/admin/users/${user.get("id")}/anonymize.json`, {
        type: "PUT"
      })
        .then(function(data) {
          if (data.success) {
            if (data.username) {
              document.location = getURL(
                `/admin/users/${user.get("id")}/${data.username}`
              );
            } else {
              document.location = getURL("/admin/users/list/active");
            }
          } else {
            bootbox.alert(I18n.t("admin.user.anonymize_failed"));
            if (data.user) {
              user.setProperties(data.user);
            }
          }
        })
        .catch(() => bootbox.alert(I18n.t("admin.user.anonymize_failed")));
    };

    const buttons = [
      {
        label: I18n.t("composer.cancel"),
        class: "cancel",
        link: true
      },
      {
        label:
          `${iconHTML("exclamation-triangle")} ` +
          I18n.t("admin.user.anonymize_yes"),
        class: "btn btn-danger",
        callback: function() {
          performAnonymize();
        }
      }
    ];

    bootbox.dialog(message, buttons, { classes: "delete-user-modal" });
  },

  destroy(opts) {
    const user = this;
    const message = I18n.t("admin.user.delete_confirm");
    const location = document.location.pathname;

    const performDestroy = function(block) {
      bootbox.dialog(I18n.t("admin.user.deleting_user"));
      let formData = { context: location };
      if (block) {
        formData["block_email"] = true;
        formData["block_urls"] = true;
        formData["block_ip"] = true;
      }
      if (opts && opts.deletePosts) {
        formData["delete_posts"] = true;
      }
      return ajax(`/admin/users/${user.get("id")}.json`, {
        type: "DELETE",
        data: formData
      })
        .then(function(data) {
          if (data.deleted) {
            if (/^\/admin\/users\/list\//.test(location)) {
              document.location = location;
            } else {
              document.location = getURL("/admin/users/list/active");
            }
          } else {
            bootbox.alert(I18n.t("admin.user.delete_failed"));
            if (data.user) {
              user.setProperties(data.user);
            }
          }
        })
        .catch(function() {
          AdminUser.find(user.get("id")).then(u => user.setProperties(u));
          bootbox.alert(I18n.t("admin.user.delete_failed"));
        });
    };

    const buttons = [
      {
        label: I18n.t("composer.cancel"),
        class: "btn",
        link: true
      },
      {
        label:
          `${iconHTML("exclamation-triangle")} ` +
          I18n.t("admin.user.delete_and_block"),
        class: "btn btn-danger",
        callback: function() {
          performDestroy(true);
        }
      },
      {
        label: I18n.t("admin.user.delete_dont_block"),
        class: "btn btn-primary",
        callback: function() {
          performDestroy(false);
        }
      }
    ];

    bootbox.dialog(message, buttons, { classes: "delete-user-modal" });
  },

  merge(opts) {
    const user = this;
    const location = document.location.pathname;

    bootbox.dialog(I18n.t("admin.user.merging_user"));
    let formData = { context: location };

    if (opts && opts.targetUsername) {
      formData["target_username"] = opts.targetUsername;
    }

    return ajax(`/admin/users/${user.id}/merge.json`, {
      type: "POST",
      data: formData
    })
      .then(data => {
        if (data.merged) {
          if (/^\/admin\/users\/list\//.test(location)) {
            DiscourseURL.redirectTo(location);
          } else {
            DiscourseURL.redirectTo(
              `/admin/users/${data.user.id}/${data.user.username}`
            );
          }
        } else {
          bootbox.alert(I18n.t("admin.user.merge_failed"));
          if (data.user) {
            user.setProperties(data.user);
          }
        }
      })
      .catch(() => {
        AdminUser.find(user.id).then(u => user.setProperties(u));
        bootbox.alert(I18n.t("admin.user.merge_failed"));
      });
  },

  loadDetails() {
    if (this.loadedDetails) {
      return Promise.resolve(this);
    }

    return AdminUser.find(this.id).then(result => {
      const userProperties = Object.assign(result, { loadedDetails: true });
      this.setProperties(userProperties);
    });
  },

  @discourseComputed("tl3_requirements")
  tl3Requirements(requirements) {
    if (requirements) {
      return this.store.createRecord("tl3Requirements", requirements);
    }
  },

  @discourseComputed("suspended_by")
  suspendedBy: wrapAdmin,

  @discourseComputed("silenced_by")
  silencedBy: wrapAdmin,

  @discourseComputed("approved_by")
  approvedBy: wrapAdmin,

  _formatError(event) {
    return `http: ${event.status} - ${event.body}`;
  }
});

AdminUser.reopenClass({
  find(user_id) {
    return ajax(`/admin/users/${user_id}.json`).then(result => {
      result.loadedDetails = true;
      return AdminUser.create(result);
    });
  },

  findAll(query, userFilter) {
    return ajax(`/admin/users/list/${query}.json`, {
      data: userFilter
    }).then(users => users.map(u => AdminUser.create(u)));
  }
});

export default AdminUser;