// Copyright 2021 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import React from "react";
import Loading from "./common/Loading";
import {Button, Card, Col, Input, Row, Select, Switch} from "antd";
import * as OrganizationBackend from "./backend/OrganizationBackend";
import * as UserBackend from "./backend/UserBackend";
import * as GroupBackend from "./backend/GroupBackend";
import * as RoleBackend from "./backend/RoleBackend";
import * as Setting from "./Setting";
import i18next from "i18next";
import PaginateSelect from "./common/PaginateSelect";

class RoleEditPage extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      classes: props,
      organizationName: props.organizationName !== undefined ? props.organizationName : props.match.params.organizationName,
      roleName: decodeURIComponent(props.match.params.roleName),
      role: null,
      organizations: [],
      mode: props.location.mode !== undefined ? props.location.mode : "edit",
    };
  }

  UNSAFE_componentWillMount() {
    this.getRole();
    this.getOrganizations();
  }

  getRole() {
    RoleBackend.getRole(this.state.organizationName, this.state.roleName)
      .then((res) => {
        if (res.data === null) {
          this.props.history.push("/404");
          return;
        }
        if (res.status === "error") {
          Setting.showMessage("error", res.msg);
          return;
        }

        this.setState({
          role: res.data,
        });
      });
  }

  getOrganizations() {
    OrganizationBackend.getOrganizations("admin")
      .then((res) => {
        this.setState({
          organizations: res.data || [],
        });
      });
  }

  parseRoleField(key, value) {
    if ([""].includes(key)) {
      value = Setting.myParseInt(value);
    }
    return value;
  }

  updateRoleField(key, value) {
    value = this.parseRoleField(key, value);

    const role = this.state.role;
    role[key] = value;
    this.setState({
      role: role,
    });
  }

  renderRole() {
    return (
      <Card size="small" title={
        <div>
          {this.state.mode === "add" ? i18next.t("role:New Role") : i18next.t("role:Edit Role")}&nbsp;&nbsp;&nbsp;&nbsp;
          <Button onClick={() => this.submitRoleEdit(false)}>{i18next.t("general:Save")}</Button>
          <Button style={{marginLeft: "20px"}} type="primary" onClick={() => this.submitRoleEdit(true)}>{i18next.t("general:Save & Exit")}</Button>
          {this.state.mode === "add" ? <Button style={{marginLeft: "20px"}} onClick={() => this.deleteRole()}>{i18next.t("general:Cancel")}</Button> : null}
        </div>
      } style={(Setting.isMobile()) ? {margin: "5px"} : {}} type="inner">
        <Row style={{marginTop: "10px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
            {Setting.getLabel(i18next.t("general:Organization"), i18next.t("general:Organization - Tooltip"))} :
          </Col>
          <Col span={22} >
            <Select virtual={false} style={{width: "100%"}} disabled={!Setting.isAdminUser(this.props.account)} value={this.state.role.owner} onChange={(value => {this.updateRoleField("owner", value);})}
              options={this.state.organizations.map((organization) => Setting.getOption(organization.name, organization.name))
              } />
          </Col>
        </Row>
        <Row style={{marginTop: "20px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
            {Setting.getLabel(i18next.t("general:Name"), i18next.t("general:Name - Tooltip"))} :
          </Col>
          <Col span={22} >
            <Input value={this.state.role.name} onChange={e => {
              this.updateRoleField("name", e.target.value);
            }} />
          </Col>
        </Row>
        <Row style={{marginTop: "20px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
            {Setting.getLabel(i18next.t("general:Display name"), i18next.t("general:Display name - Tooltip"))} :
          </Col>
          <Col span={22} >
            <Input value={this.state.role.displayName} onChange={e => {
              this.updateRoleField("displayName", e.target.value);
            }} />
          </Col>
        </Row>
        <Row style={{marginTop: "20px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
            {Setting.getLabel(i18next.t("general:Description"), i18next.t("general:Description - Tooltip"))} :
          </Col>
          <Col span={22} >
            <Input value={this.state.role.description} onChange={e => {
              this.updateRoleField("description", e.target.value);
            }} />
          </Col>
        </Row>
        <Row style={{marginTop: "20px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
            {Setting.getLabel(i18next.t("role:Sub users"), i18next.t("role:Sub users - Tooltip"))} :
          </Col>
          <Col span={22} >
            <PaginateSelect
              virtual
              mode="multiple"
              style={{width: "100%"}}
              value={this.state.role.users}
              fetchPage={UserBackend.getUsers}
              buildFetchArgs={({page, pageSize, searchText}) => {
                const field = searchText ? "name" : "";
                return [this.state.role.owner, page, pageSize, field, searchText];
              }}
              reloadKey={this.state.role.owner}
              optionMapper={(user) => Setting.getOption(`${user.owner}/${user.name}`, `${user.owner}/${user.name}`)}
              filterOption={false}
              onChange={(value => {this.updateRoleField("users", value);})}
            />
          </Col>
        </Row>
        <Row style={{marginTop: "20px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
            {Setting.getLabel(i18next.t("role:Sub groups"), i18next.t("role:Sub groups - Tooltip"))} :
          </Col>
          <Col span={22} >
            <PaginateSelect
              mode="multiple"
              style={{width: "100%"}}
              value={this.state.role.groups}
              fetchPage={GroupBackend.getGroups}
              buildFetchArgs={({page, pageSize, searchText}) => {
                const field = searchText ? "name" : "";
                return [this.state.role.owner, false, page, pageSize, field, searchText, "", ""];
              }}
              reloadKey={this.state.role.owner}
              optionMapper={(group) => Setting.getOption(`${group.owner}/${group.name}`, `${group.owner}/${group.name}`)}
              filterOption={false}
              onChange={(value => {this.updateRoleField("groups", value);})}
            />
          </Col>
        </Row>
        <Row style={{marginTop: "20px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
            {Setting.getLabel(i18next.t("role:Sub roles"), i18next.t("role:Sub roles - Tooltip"))} :
          </Col>
          <Col span={22} >
            <PaginateSelect
              mode="multiple"
              style={{width: "100%"}}
              value={this.state.role.roles}
              fetchPage={RoleBackend.getRoles}
              buildFetchArgs={({page, pageSize, searchText}) => {
                const field = searchText ? "name" : "";
                return [this.state.role.owner, page, pageSize, field, searchText, "", ""];
              }}
              reloadKey={`${this.state.role.owner}/${this.state.role.name}`}
              optionMapper={(role) => {
                if (role.owner === this.state.role.owner && role.name === this.state.role.name) {
                  return null;
                }
                return Setting.getOption(`${role.owner}/${role.name}`, `${role.owner}/${role.name}`);
              }}
              filterOption={false}
              onChange={(value => {this.updateRoleField("roles", value);})}
            />
          </Col>
        </Row>
        <Row style={{marginTop: "20px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
            {Setting.getLabel(i18next.t("role:Sub domains"), i18next.t("role:Sub domains - Tooltip"))} :
          </Col>
          <Col span={22} >
            <Select virtual={false} mode="tags" style={{width: "100%"}} value={this.state.role.domains} onChange={(value => {
              this.updateRoleField("domains", value);
            })}
            options={this.state.role.domains?.map((domain) => Setting.getOption(domain, domain))
            } />
          </Col>
        </Row>
        <Row style={{marginTop: "20px"}} >
          <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 19 : 2}>
            {Setting.getLabel(i18next.t("general:Is enabled"), i18next.t("general:Is enabled - Tooltip"))} :
          </Col>
          <Col span={1} >
            <Switch checked={this.state.role.isEnabled} onChange={checked => {
              this.updateRoleField("isEnabled", checked);
            }} />
          </Col>
        </Row>
      </Card>
    );
  }

  submitRoleEdit(exitAfterSave) {
    const role = Setting.deepCopy(this.state.role);
    RoleBackend.updateRole(this.state.organizationName, this.state.roleName, role)
      .then((res) => {
        if (res.status === "ok") {
          Setting.showMessage("success", i18next.t("general:Successfully saved"));
          this.setState({
            roleName: this.state.role.name,
          });

          if (exitAfterSave) {
            this.props.history.push("/roles");
          } else {
            this.props.history.push(`/roles/${this.state.role.owner}/${encodeURIComponent(this.state.role.name)}`);
          }
        } else {
          Setting.showMessage("error", `${i18next.t("general:Failed to save")}: ${res.msg}`);
          this.updateRoleField("name", this.state.roleName);
        }
      })
      .catch(error => {
        Setting.showMessage("error", `${i18next.t("general:Failed to connect to server")}: ${error}`);
      });
  }

  deleteRole() {
    RoleBackend.deleteRole(this.state.role)
      .then((res) => {
        if (res.status === "ok") {
          this.props.history.push("/roles");
        } else {
          Setting.showMessage("error", `${i18next.t("general:Failed to delete")}: ${res.msg}`);
        }
      })
      .catch(error => {
        Setting.showMessage("error", `${i18next.t("general:Failed to connect to server")}: ${error}`);
      });
  }

  render() {
    return (
      <div>
        {
          this.state.role !== null ? this.renderRole() : <Loading type="page" tip={i18next.t("login:Loading")} />
        }
        <div style={{marginTop: "20px", marginLeft: "40px"}}>
          <Button size="large" onClick={() => this.submitRoleEdit(false)}>{i18next.t("general:Save")}</Button>
          <Button style={{marginLeft: "20px"}} type="primary" size="large" onClick={() => this.submitRoleEdit(true)}>{i18next.t("general:Save & Exit")}</Button>
          {this.state.mode === "add" ? <Button style={{marginLeft: "20px"}} size="large" onClick={() => this.deleteRole()}>{i18next.t("general:Cancel")}</Button> : null}
        </div>
      </div>
    );
  }
}

export default RoleEditPage;
