import React, {Component, PropTypes} from 'react'
import {connect} from 'react-redux'
import {bindActionCreators} from 'redux'
import {Tab, Tabs, TabList, TabPanel} from 'react-tabs'

import Editor from '../components/base/Editor'
import Prompts from './Prompts'
import KeyValueEditor from '../components/base/KeyValueEditor'
import RequestBodyEditor from '../components/RequestBodyEditor'
import RequestAuthEditor from '../components/RequestAuthEditor'
import RequestUrlBar from '../components/RequestUrlBar'
import StatusTag from '../components/StatusTag'
import SizeTag from '../components/SizeTag'
import TimeTag from '../components/TimeTag'
import Sidebar from '../components/Sidebar'
import EnvironmentEditModal from '../components/EnvironmentEditModal'

import * as GlobalActions from '../redux/modules/global'
import * as RequestGroupActions from '../redux/modules/requestGroups'
import * as RequestActions from '../redux/modules/requests'
import * as ModalActions from '../redux/modules/modals'
import * as TabActions from '../redux/modules/tabs'

import * as db from '../database'

// Don't inject component styles (use our own)
Tabs.setUseDefaultStyles(false);

class App extends Component {
  constructor (props) {
    super(props);
    this.state = {
      activeResponse: null,
      activeRequest: null
    }
  }

  _renderRequestPanel (actions, activeRequest, tabs) {
    if (!activeRequest) {
      return (
        <section className="grid__cell section section--bordered grid--v grid--start">
          <header className="header bg-super-light section__header"></header>
          <div className="section__body grid__cell"></div>
        </section>
      )
    }

    return (
      <section className="grid__cell section section--bordered">
        <div className="grid--v wide">
          <div className="header section__header">
            <RequestUrlBar
              sendRequest={actions.requests.send}
              onUrlChange={url => {db.update(activeRequest, {url})}}
              onMethodChange={method => {db.update(activeRequest, {method})}}
              request={activeRequest}
            />
          </div>
          <Tabs className="grid__cell grid--v section__body"
                onSelect={i => actions.tabs.select('request', i)}
                selectedIndex={tabs.request || 0}>
            <TabList className="grid grid--start">
              <Tab><button>Body</button></Tab>
              <Tab>
                <button className="no-wrap">
                  Params {activeRequest.params.length ? `(${activeRequest.params.length})` : ''}
                </button>
              </Tab>
              <Tab><button>Auth</button></Tab>
              <Tab>
                <button className="no-wrap">
                  Headers {activeRequest.headers.length ? `(${activeRequest.headers.length})` : ''}
                </button>
              </Tab>
            </TabList>
            <TabPanel className="grid__cell editor-wrapper">
              <RequestBodyEditor
                onChange={body => {db.update(activeRequest, {body})}}
                request={activeRequest}/>
            </TabPanel>
            <TabPanel className="grid__cell grid__cell--scroll--v">
              <div>
                <KeyValueEditor
                  className="pad"
                  namePlaceholder="name"
                  valuePlaceholder="value"
                  uniquenessKey={activeRequest._id}
                  pairs={activeRequest.params}
                  onChange={params => {db.update(activeRequest, {params})}}
                />
              </div>
            </TabPanel>
            <TabPanel className="grid__cell grid__cell--scroll--v">
              <div>
                <RequestAuthEditor
                  className="pad"
                  request={activeRequest}
                  onChange={authentication => {db.update(activeRequest, {authentication})}}
                />
              </div>
            </TabPanel>
            <TabPanel className="grid__cell grid__cell--scroll--v">
              <div>
                <KeyValueEditor
                  className="pad"
                  namePlaceholder="My-Header"
                  valuePlaceholder="Value"
                  uniquenessKey={activeRequest._id}
                  pairs={activeRequest.headers}
                  onChange={headers => {db.update(activeRequest, {headers})}}
                />
              </div>
            </TabPanel>
          </Tabs>
        </div>
      </section>
    )
  }

  _renderResponsePanel (actions, activeResponse, tabs) {
    if (!activeResponse) {
      return (
        <section className="grid__cell section grid--v grid--start">
          <header className="header bg-light section__header"></header>
          <div className="section__body grid__cell"></div>
        </section>
      )
    }

    return (
      <section className="grid__cell section">
        <div className="grid--v wide">
          <header
            className="grid grid--center header text-center bg-super-light txt-sm section__header">
            {!activeResponse ? null : (
              <div>
                <StatusTag
                  statusCode={activeResponse.statusCode}
                  statusMessage={activeResponse.statusMessage}
                />
                <TimeTag milliseconds={activeResponse.millis}/>
                <SizeTag bytes={activeResponse.bytes}/>
              </div>
            )}
          </header>
          <Tabs className="grid__cell grid--v section__body"
                onSelect={i => actions.tabs.select('response', i)}
                selectedIndex={tabs.response || 0}>
            <TabList className="grid grid--start">
              <Tab><button>Preview</button></Tab>
              <Tab><button>Raw</button></Tab>
              <Tab><button>Headers</button></Tab>
            </TabList>
            <TabPanel className="grid__cell editor-wrapper">
              <Editor
                value={activeResponse && activeResponse.body || ''}
                prettify={true}
                options={{
                    mode: activeResponse && activeResponse.contentType || 'text/plain',
                    readOnly: true,
                    placeholder: 'nothing yet...'
                  }}
              />
            </TabPanel>
            <TabPanel className="grid__cell editor-wrapper">
              <Editor
                value={activeResponse && activeResponse.body || ''}
                options={{
                    lineWrapping: true,
                    mode: 'text/plain',
                    readOnly: true,
                    placeholder: 'nothing yet...'
                  }}
              />
            </TabPanel>
            <TabPanel className="grid__cell grid__cell--scroll--v">
              <div className="wide">
                <div className="grid--v grid--start pad">
                  {!activeResponse ? null : activeResponse.headers.map((h, i) => (
                    <div className="grid grid__cell grid__cell--no-flex selectable" key={i}>
                      <div className="grid__cell">{h.name}</div>
                      <div className="grid__cell">{h.value}</div>
                    </div>
                  ))}
                </div>
              </div>
            </TabPanel>
          </Tabs>
        </div>
      </section>
    )
  }

  render () {
    const {actions, requests, responses, requestGroups, tabs, modals} = this.props;
    const activeRequest = requests.all.find(r => r._id === requests.active);
    const activeResponse = activeRequest ? responses[activeRequest._id] : undefined;

    return (
      <div className="grid bg-super-dark tall">
        <Sidebar
          activateRequest={actions.requests.activate}
          changeFilter={actions.requests.changeFilter}
          addRequestToRequestGroup={requestGroup => db.requestCreate({parent: requestGroup._id})}
          toggleRequestGroup={requestGroup => db.update(requestGroup, {collapsed: !requestGroup.collapsed})}
          activeRequest={activeRequest}
          activeFilter={requests.filter}
          requestGroups={requestGroups.all}
          requests={requests.all}/>
        <div className="grid wide grid--collapse">
          {this._renderRequestPanel(actions, activeRequest, tabs)}
          {this._renderResponsePanel(actions, activeResponse, tabs)}
        </div>
        <Prompts />
        {modals.map(m => {
          if (m.id === EnvironmentEditModal.defaultProps.id) {
            return (
              <EnvironmentEditModal
                key={m.id}
                requestGroup={m.data.requestGroup}
                onClose={() => actions.modals.hide(m.id)}
                onChange={rg => db.update(m.data.requestGroup, {environment: rg.environment})}
              />
            )
          } else {
            return null;
          }
        })}
      </div>
    )
  }
}

App.propTypes = {
  actions: PropTypes.shape({
    requests: PropTypes.shape({
      activate: PropTypes.func.isRequired,
      update: PropTypes.func.isRequired,
      remove: PropTypes.func.isRequired,
      send: PropTypes.func.isRequired,
      changeFilter: PropTypes.func.isRequired
    }),
    requestGroups: PropTypes.shape({
      remove: PropTypes.func.isRequired,
      update: PropTypes.func.isRequired,
      toggle: PropTypes.func.isRequired
    }),
    modals: PropTypes.shape({
      hide: PropTypes.func.isRequired
    }),
    tabs: PropTypes.shape({
      select: PropTypes.func.isRequired
    })
  }).isRequired,
  requestGroups: PropTypes.shape({
    all: PropTypes.array.isRequired
  }).isRequired,
  requests: PropTypes.shape({
    all: PropTypes.array.isRequired,
    active: PropTypes.string // "required" but can be null
  }).isRequired,
  responses: PropTypes.object.isRequired,
  tabs: PropTypes.object.isRequired,
  modals: PropTypes.array.isRequired
};

function mapStateToProps (state) {
  return {
    actions: state.actions,
    requests: state.requests,
    requestGroups: state.requestGroups,
    responses: state.responses,
    tabs: state.tabs,
    modals: state.modals
  };
}

function mapDispatchToProps (dispatch) {
  return {
    actions: {
      global: bindActionCreators(GlobalActions, dispatch),
      tabs: bindActionCreators(TabActions, dispatch),
      modals: bindActionCreators(ModalActions, dispatch),
      requestGroups: bindActionCreators(RequestGroupActions, dispatch),
      requests: bindActionCreators(RequestActions, dispatch)
    }
  }
}

export default connect(
  mapStateToProps,
  mapDispatchToProps
)(App);