/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict-local
 * @format
 */

'use strict';

const Platform = require('Platform');
const React = require('React');
const ScrollView = require('ScrollView');
const StyleSheet = require('StyleSheet');
const Text = require('Text');
const View = require('View');
const YellowBoxCategory = require('YellowBoxCategory');
const YellowBoxInspectorFooter = require('YellowBoxInspectorFooter');
const YellowBoxInspectorHeader = require('YellowBoxInspectorHeader');
const YellowBoxInspectorSourceMapStatus = require('YellowBoxInspectorSourceMapStatus');
const YellowBoxInspectorStackFrame = require('YellowBoxInspectorStackFrame');
const YellowBoxStyle = require('YellowBoxStyle');

const openFileInEditor = require('openFileInEditor');

import type YellowBoxWarning from 'YellowBoxWarning';
import type {SymbolicationRequest} from 'YellowBoxWarning';

type Props = $ReadOnly<{|
  onDismiss: () => void,
  onMinimize: () => void,
  warnings: $ReadOnlyArray<YellowBoxWarning>,
|}>;

type State = {|
  selectedIndex: number,
|};

class YellowBoxInspector extends React.Component<Props, State> {
  _symbolication: ?SymbolicationRequest;

  state = {
    selectedIndex: 0,
  };

  render(): React.Node {
    const {warnings} = this.props;
    const {selectedIndex} = this.state;

    const warning = warnings[selectedIndex];

    return (
      <View style={styles.root}>
        <YellowBoxInspectorHeader
          onSelectIndex={this._handleSelectIndex}
          selectedIndex={selectedIndex}
          warnings={warnings}
        />
        <ScrollView
          contentContainerStyle={styles.bodyContent}
          key={selectedIndex}
          style={styles.body}>
          <View>
            <View style={styles.bodyHeading}>
              <Text style={styles.bodyHeadingText}>Warning</Text>
            </View>
            <Text style={styles.bodyText}>
              {YellowBoxCategory.render(
                warning.message,
                styles.substitutionText,
              )}
            </Text>
          </View>
          <View style={styles.bodySection}>
            <View style={styles.bodyHeading}>
              <Text style={styles.bodyHeadingText}>Stack</Text>
              <YellowBoxInspectorSourceMapStatus
                status={warning.symbolicated.status}
              />
            </View>
            {warning.getAvailableStack().map((frame, index) => (
              <YellowBoxInspectorStackFrame
                key={index}
                frame={frame}
                onPress={
                  warning.symbolicated.status === 'COMPLETE'
                    ? () => {
                        openFileInEditor(frame.file, frame.lineNumber);
                      }
                    : null
                }
              />
            ))}
          </View>
        </ScrollView>
        <YellowBoxInspectorFooter
          onDismiss={this.props.onDismiss}
          onMinimize={this.props.onMinimize}
        />
      </View>
    );
  }

  componentDidMount(): void {
    this._handleSymbolication();
  }

  componentDidUpdate(prevProps: Props, prevState: State): void {
    if (
      prevProps.warnings !== this.props.warnings ||
      prevState.selectedIndex !== this.state.selectedIndex
    ) {
      this._cancelSymbolication();
      this._handleSymbolication();
    }
  }

  componentWillUnmount(): void {
    this._cancelSymbolication();
  }

  _handleSymbolication(): void {
    const warning = this.props.warnings[this.state.selectedIndex];
    if (warning.symbolicated.status !== 'COMPLETE') {
      this._symbolication = warning.symbolicate(() => {
        this.forceUpdate();
      });
    }
  }

  _cancelSymbolication(): void {
    if (this._symbolication != null) {
      this._symbolication.abort();
      this._symbolication = null;
    }
  }

  _handleSelectIndex = (selectedIndex: number): void => {
    this.setState({selectedIndex});
  };
}

const styles = StyleSheet.create({
  root: {
    elevation: Platform.OS === 'android' ? Number.MAX_SAFE_INTEGER : undefined,
    height: '100%',
  },
  body: {
    backgroundColor: YellowBoxStyle.getBackgroundColor(0.95),
    borderBottomColor: YellowBoxStyle.getDividerColor(0.95),
    borderBottomWidth: StyleSheet.hairlineWidth,
    borderTopColor: YellowBoxStyle.getDividerColor(0.95),
    borderTopWidth: StyleSheet.hairlineWidth,
    flex: 1,
  },
  bodyContent: {
    paddingVertical: 12,
  },
  bodyHeading: {
    alignItems: 'center',
    flexDirection: 'row',
    marginBottom: 6,
    paddingHorizontal: 12,
  },
  bodyHeadingText: {
    color: YellowBoxStyle.getTextColor(1),
    flex: 1,
    fontSize: 20,
    fontWeight: '600',
    includeFontPadding: false,
    lineHeight: 28,
  },
  bodyText: {
    color: YellowBoxStyle.getTextColor(1),
    fontSize: 14,
    includeFontPadding: false,
    lineHeight: 18,
    paddingHorizontal: 12,
  },
  substitutionText: {
    color: YellowBoxStyle.getTextColor(0.6),
  },
  bodySection: {
    marginTop: 20,
  },
});

module.exports = YellowBoxInspector;