import { Colors } from "constants/Colors";
import { FontStyleTypes } from "constants/WidgetConstants";
import _, { isBoolean, isObject, uniq, without } from "lodash";
import tinycolor from "tinycolor2";
import {
  CellAlignmentTypes,
  CellLayoutProperties,
  ColumnProperties,
  TableStyles,
  VerticalAlignmentTypes,
} from "../component/Constants";
import {
  ColumnTypes,
  DEFAULT_BUTTON_COLOR,
  DEFAULT_COLUMN_WIDTH,
  ORIGINAL_INDEX_KEY,
} from "../constants";
import { SelectColumnOptionsValidations } from "./propertyUtils";
import { AppTheme } from "entities/AppTheming";
import { TableWidgetProps } from "../constants";
import { get } from "lodash";
import { getNextEntityName } from "utils/AppsmithUtils";
import {
  combineDynamicBindings,
  getDynamicBindings,
} from "utils/DynamicBindingUtils";
import { ButtonVariantTypes } from "components/constants";

type TableData = Array<Record<string, unknown>>;

/*
 * When the table data changes we need to find the new index of the
 * selectedRow by using the primary key
 */
export const getOriginalRowIndex = (
  prevTableData: TableData,
  tableData: TableData,
  selectedRowIndex: number | undefined,
  primaryColumnId: string,
) => {
  let primaryKey = "";
  let index = -1;

  if (
    !_.isNil(selectedRowIndex) &&
    prevTableData &&
    prevTableData[selectedRowIndex]
  ) {
    primaryKey = prevTableData[selectedRowIndex][primaryColumnId] as string;
  }

  if (!!primaryKey && tableData) {
    const selectedRow = tableData.find(
      (row) => row[primaryColumnId] === primaryKey,
    );

    if (selectedRow) {
      index = selectedRow[ORIGINAL_INDEX_KEY] as number;
    }
  }

  return index;
};

export const getSelectRowIndex = (
  prevTableData: TableData,
  tableData: TableData,
  defaultSelectedRowIndex: string | number | number[] | undefined,
  selectedRowIndex: number | undefined,
  primaryColumnId: string | undefined,
) => {
  let index = _.isNumber(defaultSelectedRowIndex)
    ? defaultSelectedRowIndex
    : -1;

  if (
    selectedRowIndex !== -1 &&
    !_.isNil(selectedRowIndex) &&
    primaryColumnId
  ) {
    index = getOriginalRowIndex(
      prevTableData,
      tableData,
      selectedRowIndex,
      primaryColumnId,
    );
  }

  return index;
};

export const getSelectRowIndices = (
  prevTableData: TableData,
  tableData: TableData,
  defaultSelectedRowIndices: string | number | number[] | undefined,
  selectedRowIndices: number[] | undefined,
  primaryColumnId: string | undefined,
) => {
  let indices: number[];

  if (primaryColumnId && _.isArray(selectedRowIndices)) {
    indices = selectedRowIndices;
  } else if (_.isArray(defaultSelectedRowIndices)) {
    indices = defaultSelectedRowIndices;
  } else {
    indices = [];
  }

  if (primaryColumnId) {
    return indices
      .map((index: number) =>
        getOriginalRowIndex(prevTableData, tableData, index, primaryColumnId),
      )
      .filter((index) => index !== -1);
  } else {
    return indices;
  }
};

//TODO(Balaji): we shouldn't replace special characters
export const removeSpecialChars = (value: string, limit?: number) => {
  const separatorRegex = /\W+/;
  return value
    .split(separatorRegex)
    .join("_")
    .slice(0, limit || 30);
};

/*
 * Function to get list of columns from the tabledata
 */
export const getAllTableColumnKeys = (
  tableData?: Array<Record<string, unknown>>,
) => {
  const columnKeys: Set<string> = new Set();

  if (_.isArray(tableData)) {
    tableData.forEach((row) => {
      Object.keys(row).forEach((key) => {
        columnKeys.add(key);
      });
    });
  }

  return Array.from(columnKeys);
};

export function getTableStyles(props: TableStyles) {
  return {
    textColor: props.textColor,
    textSize: props.textSize,
    fontStyle: props.fontStyle,
    cellBackground: props.cellBackground,
    verticalAlignment: props.verticalAlignment,
    horizontalAlignment: props.horizontalAlignment,
  };
}

export function escapeString(str: string) {
  /*
   * Match all the unescaped `"`
   *  match `"` that follows any character except `\`. ([^\\]\")
   */
  return str.replace(/[^\\]"/g, (match) => {
    return match.substr(0, match.length - 1) + `\"`;
  });
}

export function getDefaultColumnProperties(
  id: string,
  sanitizedId: string,
  index: number,
  widgetName: string,
  isDerived?: boolean,
): ColumnProperties {
  const columnProps = {
    allowCellWrapping: false,
    index: index,
    width: DEFAULT_COLUMN_WIDTH,
    originalId: id,
    id: sanitizedId,
    alias: id,
    horizontalAlignment: CellAlignmentTypes.LEFT,
    verticalAlignment: VerticalAlignmentTypes.CENTER,
    columnType: ColumnTypes.TEXT,
    textColor: Colors.THUNDER,
    textSize: "0.875rem",
    fontStyle: FontStyleTypes.REGULAR,
    enableFilter: true,
    enableSort: true,
    isVisible: true,
    isDisabled: false,
    isCellEditable: false,
    isEditable: false,
    isCellVisible: true,
    isDerived: !!isDerived,
    label: id,
    isSaveVisible: true,
    isDiscardVisible: true,
    computedValue: isDerived
      ? ""
      : `{{${widgetName}.processedTableData.map((currentRow, currentIndex) => ( currentRow["${escapeString(
          id,
        )}"]))}}`,
    validation: {},
  };

  return columnProps;
}

/*
 * Function to extract derived columns from the primary columns
 */
export function getDerivedColumns(
  primaryColumns: Record<string, ColumnProperties>,
): Record<string, ColumnProperties> {
  const derivedColumns: Record<string, ColumnProperties> = {};

  if (primaryColumns) {
    Object.keys(primaryColumns).forEach((columnId) => {
      if (primaryColumns[columnId] && primaryColumns[columnId].isDerived) {
        derivedColumns[columnId] = primaryColumns[columnId];
      }
    });
  }

  return derivedColumns;
}

export const getPropertyValue = (
  value: any,
  index: number,
  preserveCase = false,
) => {
  if (value && isObject(value) && !Array.isArray(value)) {
    return value;
  }
  if (value && Array.isArray(value) && value[index]) {
    return preserveCase
      ? value[index].toString()
      : value[index].toString().toUpperCase();
  } else if (value) {
    return preserveCase ? value.toString() : value.toString().toUpperCase();
  } else {
    return value;
  }
};
export const getBooleanPropertyValue = (value: any, index: number) => {
  if (isBoolean(value)) {
    return value;
  }
  if (Array.isArray(value) && isBoolean(value[index])) {
    return value[index];
  }
  return !!value;
};

export const getCellProperties = (
  columnProperties: ColumnProperties,
  rowIndex: number,
) => {
  if (columnProperties) {
    return {
      horizontalAlignment: getPropertyValue(
        columnProperties.horizontalAlignment,
        rowIndex,
      ),
      verticalAlignment: getPropertyValue(
        columnProperties.verticalAlignment,
        rowIndex,
      ),
      cellBackground: getPropertyValue(
        columnProperties.cellBackground,
        rowIndex,
      ),
      buttonColor: getPropertyValue(columnProperties.buttonColor, rowIndex),
      buttonLabel: getPropertyValue(
        columnProperties.buttonLabel,
        rowIndex,
        true,
      ),
      menuButtonLabel: getPropertyValue(
        columnProperties.menuButtonLabel,
        rowIndex,
        true,
      ),
      iconName: getPropertyValue(columnProperties.iconName, rowIndex, true),
      menuButtoniconName: getPropertyValue(
        columnProperties.menuButtoniconName,
        rowIndex,
        true,
      ),
      buttonVariant: getPropertyValue(
        columnProperties.buttonVariant,
        rowIndex,
        true,
      ),
      borderRadius: getPropertyValue(
        columnProperties.borderRadius,
        rowIndex,
        true,
      ),
      boxShadow: getPropertyValue(columnProperties.boxShadow, rowIndex, true),
      iconButtonStyle: getPropertyValue(
        columnProperties.iconButtonStyle,
        rowIndex,
        true,
      ),
      textSize: getPropertyValue(columnProperties.textSize, rowIndex),
      textColor: getPropertyValue(columnProperties.textColor, rowIndex),
      fontStyle: getPropertyValue(columnProperties.fontStyle, rowIndex), //Fix this
      isVisible: getBooleanPropertyValue(columnProperties.isVisible, rowIndex),
      isDisabled: getBooleanPropertyValue(
        columnProperties.isDisabled,
        rowIndex,
      ),
      isCellVisible: getBooleanPropertyValue(
        columnProperties.isCellVisible,
        rowIndex,
      ),
      displayText: getPropertyValue(
        columnProperties.displayText,
        rowIndex,
        true,
      ),
      iconAlign: getPropertyValue(columnProperties.iconAlign, rowIndex, true),
      isCompact: getPropertyValue(columnProperties.isCompact, rowIndex),
      menuColor: getPropertyValue(columnProperties.menuColor, rowIndex, true),
      menuItems: getPropertyValue(columnProperties.menuItems, rowIndex),
      menuVariant: getPropertyValue(
        columnProperties.menuVariant,
        rowIndex,
        true,
      ),
      isCellEditable: getBooleanPropertyValue(
        columnProperties.isCellEditable,
        rowIndex,
      ),
      allowCellWrapping: getBooleanPropertyValue(
        columnProperties.allowCellWrapping,
        rowIndex,
      ),
      // EditActions related properties
      saveButtonVariant: getPropertyValue(
        columnProperties.saveButtonVariant,
        rowIndex,
        true,
      ),
      saveButtonColor: getPropertyValue(
        columnProperties.saveButtonColor,
        rowIndex,
        true,
      ),
      saveIconAlign: getPropertyValue(
        columnProperties.saveIconAlign,
        rowIndex,
        true,
      ),
      saveBorderRadius: getPropertyValue(
        columnProperties.saveBorderRadius,
        rowIndex,
        true,
      ),
      saveActionLabel: getPropertyValue(
        columnProperties.saveActionLabel,
        rowIndex,
        true,
      ),
      saveActionIconName: getPropertyValue(
        columnProperties.saveActionIconName,
        rowIndex,
        true,
      ),
      isSaveVisible: getBooleanPropertyValue(
        columnProperties.isSaveVisible,
        rowIndex,
      ),
      isSaveDisabled: getBooleanPropertyValue(
        columnProperties.isSaveDisabled,
        rowIndex,
      ),
      discardButtonVariant: getPropertyValue(
        columnProperties.discardButtonVariant,
        rowIndex,
        true,
      ),
      discardButtonColor: getPropertyValue(
        columnProperties.discardButtonColor,
        rowIndex,
        true,
      ),
      discardIconAlign: getPropertyValue(
        columnProperties.discardIconAlign,
        rowIndex,
        true,
      ),
      discardBorderRadius: getPropertyValue(
        columnProperties.discardBorderRadius,
        rowIndex,
        true,
      ),
      discardActionLabel: getPropertyValue(
        columnProperties.discardActionLabel,
        rowIndex,
        true,
      ),
      discardActionIconName: getPropertyValue(
        columnProperties.discardActionIconName,
        rowIndex,
        true,
      ),
      isDiscardVisible: getBooleanPropertyValue(
        columnProperties.isDiscardVisible,
        rowIndex,
      ),
      isDiscardDisabled: getBooleanPropertyValue(
        columnProperties.isDiscardDisabled,
        rowIndex,
      ),
    } as CellLayoutProperties;
  }
  return {} as CellLayoutProperties;
};

const EdtiableColumnTypes: string[] = [
  ColumnTypes.TEXT,
  ColumnTypes.NUMBER,
  ColumnTypes.SELECT,
  ColumnTypes.CHECKBOX,
  ColumnTypes.SWITCH,
];

export function isColumnTypeEditable(columnType: string) {
  return EdtiableColumnTypes.includes(columnType);
}

/*
 * Nested propeties are not validated when application is refreshed
 * TODO(Balai): Should confirm and create an issue to address this.
 */
export function getSelectColumnTypeOptions(value: unknown) {
  const result = SelectColumnOptionsValidations(value, {}, _);
  return result.parsed;
}

/**
 * returns selected row bg color
 *
 * if the color is dark, use 80% lighter color for selected row
 * if color is light, use 10% darker color for selected row
 *
 * @param accentColor
 */
export const getSelectedRowBgColor = (accentColor: string) => {
  const tinyAccentColor = tinycolor(accentColor);
  const brightness = tinycolor(accentColor)
    .greyscale()
    .getBrightness();

  const percentageBrightness = (brightness / 255) * 100;
  let nextBrightness = 0;

  switch (true) {
    case percentageBrightness > 70:
      nextBrightness = 10;
      break;
    case percentageBrightness > 50:
      nextBrightness = 35;
      break;
    case percentageBrightness > 50:
      nextBrightness = 55;
      break;
    default:
      nextBrightness = 60;
  }

  if (brightness > 180) {
    return tinyAccentColor.darken(10).toString();
  } else {
    return tinyAccentColor.lighten(nextBrightness).toString();
  }
};

/**
 * this is a getter function to get stylesheet value of the property from the config
 *
 * @param props
 * @param propertyPath
 * @param widgetStylesheet
 * @returns
 */
export const getStylesheetValue = (
  props: TableWidgetProps,
  propertyPath: string,
  widgetStylesheet?: AppTheme["stylesheet"][string],
) => {
  const propertyName = propertyPath.split(".").slice(-1)[0];
  const columnName = propertyPath.split(".").slice(-2)[0];
  const columnType = get(props, `primaryColumns.${columnName}.columnType`);

  return get(widgetStylesheet, `childStylesheet.${columnType}.${propertyName}`);
};

export const reorderColumns = (
  columns: Record<string, ColumnProperties>,
  columnOrder: string[],
) => {
  const newColumnsInOrder: Record<string, ColumnProperties> = {};
  uniq(columnOrder).forEach((id: string, index: number) => {
    if (columns[id]) newColumnsInOrder[id] = { ...columns[id], index };
  });
  const remaining = without(
    Object.keys(columns),
    ...Object.keys(newColumnsInOrder),
  );
  const len = Object.keys(newColumnsInOrder).length;
  if (remaining && remaining.length > 0) {
    remaining.forEach((id: string, index: number) => {
      newColumnsInOrder[id] = { ...columns[id], index: len + index };
    });
  }
  return newColumnsInOrder;
};

export const getEditActionColumnProperties = () => ({
  isSaveVisible: true,
  isDiscardVisible: true,
  saveIconAlign: "left",
  discardIconAlign: "left",
  saveActionLabel: "Save",
  discardActionLabel: "Discard",
  saveButtonColor: Colors.GREEN,
  discardButtonColor: Colors.GREEN,
});

export const getEditActionColumnDynamicProperties = (widgetName: string) => ({
  isSaveDisabled: `{{${widgetName}.processedTableData.map((currentRow, currentIndex) => ( !${widgetName}.updatedRowIndices.includes(currentIndex)))}}`,
  isDiscardDisabled: `{{${widgetName}.processedTableData.map((currentRow, currentIndex) => ( !${widgetName}.updatedRowIndices.includes(currentIndex)))}}`,
});

export const createColumn = (props: TableWidgetProps, baseName: string) => {
  const columns = props.primaryColumns || {};
  const columnsArray = Object.values(columns);
  const columnIds = columnsArray.map((column) => column.originalId);
  const newColumnName = getNextEntityName(baseName, columnIds);
  const lastItemIndex = columnsArray
    .map((column) => column.index)
    .sort()
    .pop();
  const nextIndex = lastItemIndex ? lastItemIndex + 1 : columnIds.length;

  return {
    ...getDefaultColumnProperties(
      newColumnName,
      newColumnName,
      nextIndex,
      props.widgetName,
      true,
    ),
    buttonStyle: DEFAULT_BUTTON_COLOR,
    isDisabled: false,
    ...getTableStyles(props),
  };
};

export const createEditActionColumn = (props: TableWidgetProps) => {
  const themeProps: Record<string, string> = {};

  if (props.childStylesheet[ColumnTypes.EDIT_ACTIONS]) {
    Object.entries(props.childStylesheet[ColumnTypes.EDIT_ACTIONS]).forEach(
      ([key, value]) => {
        const { jsSnippets, stringSegments } = getDynamicBindings(
          value as string,
        );

        const js = combineDynamicBindings(jsSnippets, stringSegments);

        themeProps[
          key
        ] = `{{${props.widgetName}.processedTableData.map((currentRow, currentIndex) => ( ${js}))}}`;
      },
    );
  }

  const column = {
    ...createColumn(props, "EditActions"),
    ...getEditActionColumnProperties(),
    ...themeProps,
    columnType: ColumnTypes.EDIT_ACTIONS,
    label: "Save / Discard",
    discardButtonVariant: ButtonVariantTypes.TERTIARY,
    discardButtonColor: Colors.DANGER_SOLID,
  };
  const columnOrder = props.columnOrder || [];
  const editActionDynamicProperties = getEditActionColumnDynamicProperties(
    props.widgetName,
  );

  return [
    {
      propertyPath: `primaryColumns.${column.id}`,
      propertyValue: {
        ...column,
        ...editActionDynamicProperties,
      },
    },
    {
      propertyPath: `columnOrder`,
      propertyValue: [...columnOrder, column.id],
    },
    ...Object.entries(editActionDynamicProperties).map(([key, value]) => ({
      propertyPath: `primaryColumns.${column.id}.${key}`,
      propertyValue: value,
      isDynamicPropertyPath: true,
    })),
  ];
};