import {
  ENTITY_TYPE,
  Log,
  PLATFORM_ERROR,
  Severity,
} from "entities/AppsmithConsole";
import { DataTree } from "entities/DataTree/dataTreeFactory";
import {
  DataTreeDiff,
  DataTreeDiffEvent,
  getDataTreeWithoutPrivateWidgets,
  getEntityNameAndPropertyPath,
  isAction,
  isJSAction,
  isWidget,
} from "workers/Evaluation/evaluationUtils";
import {
  EvalError,
  EvalErrorTypes,
  EvaluationError,
  getEvalErrorPath,
  getEvalValuePath,
} from "utils/DynamicBindingUtils";
import { find, get, some } from "lodash";
import LOG_TYPE from "entities/AppsmithConsole/logtype";
import { put, select } from "redux-saga/effects";
import { AnyReduxAction } from "@appsmith/constants/ReduxActionConstants";
import { Toaster, Variant } from "design-system";
import AppsmithConsole from "utils/AppsmithConsole";
import * as Sentry from "@sentry/react";
import AnalyticsUtil from "utils/AnalyticsUtil";
import {
  createMessage,
  ERROR_EVAL_ERROR_GENERIC,
  JS_OBJECT_BODY_INVALID,
  VALUE_IS_INVALID,
  JS_EXECUTION_FAILURE,
} from "@appsmith/constants/messages";
import log from "loglevel";
import { AppState } from "@appsmith/reducers";
import { getAppMode } from "selectors/applicationSelectors";
import { APP_MODE } from "entities/App";
import { dataTreeTypeDefCreator } from "utils/autocomplete/dataTreeTypeDefCreator";
import CodemirrorTernService from "utils/autocomplete/CodemirrorTernService";
import { selectFeatureFlags } from "selectors/usersSelectors";
import FeatureFlags from "entities/FeatureFlags";
import { JSAction } from "entities/JSCollection";
import { isWidgetPropertyNamePath } from "utils/widgetEvalUtils";

const getDebuggerErrors = (state: AppState) => state.ui.debugger.errors;

function logLatestEvalPropertyErrors(
  currentDebuggerErrors: Record<string, Log>,
  dataTree: DataTree,
  evaluationOrder: Array<string>,
) {
  const updatedDebuggerErrors: Record<string, Log> = {
    ...currentDebuggerErrors,
  };

  for (const evaluatedPath of evaluationOrder) {
    const { entityName, propertyPath } = getEntityNameAndPropertyPath(
      evaluatedPath,
    );
    const entity = dataTree[entityName];
    if (isWidget(entity) || isAction(entity) || isJSAction(entity)) {
      if (entity.logBlackList && propertyPath in entity.logBlackList) {
        continue;
      }
      const allEvalErrors: EvaluationError[] = get(
        entity,
        getEvalErrorPath(evaluatedPath, {
          fullPath: false,
          isPopulated: false,
        }),
        [],
      );

      const evaluatedValue = get(
        entity,
        getEvalValuePath(evaluatedPath, {
          isPopulated: false,
          fullPath: false,
        }),
      );
      const evalErrors: EvaluationError[] = [];
      const evalWarnings: EvaluationError[] = [];

      for (const err of allEvalErrors) {
        if (err.severity === Severity.WARNING) {
          evalWarnings.push(err);
        }
        if (err.severity === Severity.ERROR) {
          evalErrors.push(err);
        }
      }

      const idField = isWidget(entity) ? entity.widgetId : entity.actionId;
      const nameField = isWidget(entity) ? entity.widgetName : entity.name;
      const entityType = isWidget(entity)
        ? ENTITY_TYPE.WIDGET
        : isAction(entity)
        ? ENTITY_TYPE.ACTION
        : ENTITY_TYPE.JSACTION;
      const debuggerKeys = [
        {
          key: `${idField}-${propertyPath}`,
          errors: evalErrors,
        },
        {
          key: `${idField}-${propertyPath}-warning`,
          errors: evalWarnings,
          isWarning: true,
        },
      ];

      for (const { errors, isWarning, key: debuggerKey } of debuggerKeys) {
        // if dataTree has error but debugger does not -> add
        // if debugger has error and data tree has error -> update error
        // if debugger has error but data tree does not -> remove
        // if debugger or data tree does not have an error -> no change

        if (errors.length) {
          // TODO Rank and set the most critical error
          // const error = evalErrors[0];
          // Reformatting eval errors here to a format usable by the debugger
          const errorMessages = errors.map((e) => {
            // Error format required for the debugger
            return {
              message: e.errorMessage,
              type: e.errorType,
            };
          });

          const analyticsData = isWidget(entity)
            ? {
                widgetType: entity.type,
              }
            : {};
          const logPropertyPath = !isJSAction(entity)
            ? propertyPath
            : entityName;
          // Add or update
          if (
            !isJSAction(entity) ||
            (isJSAction(entity) && propertyPath === "body")
          ) {
            AppsmithConsole.addError(
              {
                id: debuggerKey,
                logType: isWarning
                  ? LOG_TYPE.EVAL_WARNING
                  : LOG_TYPE.EVAL_ERROR,
                // Unless the intention is to change the message shown in the debugger please do not
                // change the text shown here
                text: isJSAction(entity)
                  ? createMessage(JS_OBJECT_BODY_INVALID)
                  : createMessage(VALUE_IS_INVALID, propertyPath),
                messages: errorMessages,
                source: {
                  id: idField,
                  name: nameField,
                  type: entityType,
                  propertyPath: logPropertyPath,
                },
                state: {
                  [logPropertyPath]: evaluatedValue,
                },
                analytics: analyticsData,
              },
              isWarning ? Severity.WARNING : Severity.ERROR,
            );
          }
        } else if (debuggerKey in updatedDebuggerErrors) {
          AppsmithConsole.deleteError(debuggerKey);
        }
      }
    }
  }
}

export function* evalErrorHandler(
  errors: EvalError[],
  dataTree?: DataTree,
  evaluationOrder?: Array<string>,
): any {
  if (dataTree && evaluationOrder) {
    const currentDebuggerErrors: Record<string, Log> = yield select(
      getDebuggerErrors,
    );
    // Update latest errors to the debugger
    logLatestEvalPropertyErrors(
      currentDebuggerErrors,
      dataTree,
      evaluationOrder,
    );
  }

  errors.forEach((error) => {
    switch (error.type) {
      case EvalErrorTypes.CYCLICAL_DEPENDENCY_ERROR: {
        if (error.context) {
          // Add more info about node for the toast
          const { dependencyMap, diffs, entityType, node } = error.context;
          Toaster.show({
            text: `${error.message} Node was: ${node}`,
            variant: Variant.danger,
          });
          AppsmithConsole.error({
            text: `${error.message} Node was: ${node}`,
          });
          // Send the generic error message to sentry for better grouping
          Sentry.captureException(new Error(error.message), {
            tags: {
              node,
              entityType,
            },
            extra: {
              dependencyMap,
              diffs,
            },
            // Level is warning because it could be a user error
            level: Sentry.Severity.Warning,
          });
          // Log an analytics event for cyclical dep errors
          AnalyticsUtil.logEvent("CYCLICAL_DEPENDENCY_ERROR", {
            node,
            entityType,
            // Level is warning because it could be a user error
            level: Sentry.Severity.Warning,
          });
        }

        break;
      }
      case EvalErrorTypes.EVAL_TREE_ERROR: {
        Toaster.show({
          text: createMessage(ERROR_EVAL_ERROR_GENERIC),
          variant: Variant.danger,
        });
        break;
      }
      case EvalErrorTypes.BAD_UNEVAL_TREE_ERROR: {
        Sentry.captureException(error);
        break;
      }
      case EvalErrorTypes.EVAL_PROPERTY_ERROR: {
        log.debug(error);
        break;
      }
      case EvalErrorTypes.CLONE_ERROR: {
        Sentry.captureException(new Error(error.message), {
          extra: {
            request: error.context,
          },
        });
        break;
      }
      case EvalErrorTypes.PARSE_JS_ERROR: {
        Toaster.show({
          text: `${error.message} at: ${error.context?.entity.name}`,
          variant: Variant.danger,
        });
        AppsmithConsole.error({
          text: `${error.message} at: ${error.context?.propertyPath}`,
        });
        break;
      }
      case EvalErrorTypes.EXTRACT_DEPENDENCY_ERROR: {
        Sentry.captureException(new Error(error.message), {
          extra: error.context,
        });
        break;
      }
      default: {
        Sentry.captureException(error);
        log.debug(error);
      }
    }
  });
}

export function* logSuccessfulBindings(
  unEvalTree: DataTree,
  dataTree: DataTree,
  evaluationOrder: string[],
  isCreateFirstTree: boolean,
) {
  const appMode: APP_MODE | undefined = yield select(getAppMode);
  if (appMode === APP_MODE.PUBLISHED) return;
  if (!evaluationOrder) return;

  if (isCreateFirstTree) {
    // we only aim to log binding success which were added by user
    // for first evaluation, bindings are not added by user hence skipping it.
    return;
  }
  evaluationOrder.forEach((evaluatedPath) => {
    const { entityName, propertyPath } = getEntityNameAndPropertyPath(
      evaluatedPath,
    );
    const entity = dataTree[entityName];
    if (isAction(entity) || isWidget(entity)) {
      const unevalValue = get(unEvalTree, evaluatedPath);
      const entityType = isAction(entity) ? entity.pluginType : entity.type;
      const isABinding = find(entity.dynamicBindingPathList, {
        key: propertyPath,
      });

      const logBlackList = entity.logBlackList;
      const errors: EvaluationError[] = get(
        dataTree,
        getEvalErrorPath(evaluatedPath),
        [],
      ) as EvaluationError[];

      const hasErrors = errors.length > 0;

      if (isABinding && !hasErrors && !(propertyPath in logBlackList)) {
        AnalyticsUtil.logEvent("BINDING_SUCCESS", {
          unevalValue,
          entityType,
          propertyPath,
        });
      }
    }
  });
}

export function* postEvalActionDispatcher(actions: Array<AnyReduxAction>) {
  for (const action of actions) {
    yield put(action);
  }
}

// We update the data tree definition after every eval so that autocomplete
// is accurate
export function* updateTernDefinitions(
  dataTree: DataTree,
  updates: DataTreeDiff[],
  isCreateFirstTree: boolean,
) {
  const shouldUpdate: boolean =
    isCreateFirstTree ||
    some(updates, (update) => {
      if (update.event === DataTreeDiffEvent.NEW) return true;
      if (update.event === DataTreeDiffEvent.DELETE) return true;
      if (update.event === DataTreeDiffEvent.EDIT) return false;
      const { entityName } = getEntityNameAndPropertyPath(
        update.payload.propertyPath,
      );
      const entity = dataTree[entityName];
      if (!entity || !isWidget(entity)) return false;
      return isWidgetPropertyNamePath(entity, update.payload.propertyPath);
    });

  if (!shouldUpdate) return;
  const start = performance.now();
  // remove private widgets from dataTree used for autocompletion
  const treeWithoutPrivateWidgets = getDataTreeWithoutPrivateWidgets(dataTree);
  const featureFlags: FeatureFlags = yield select(selectFeatureFlags);
  const { def, entityInfo } = dataTreeTypeDefCreator(
    treeWithoutPrivateWidgets,
    !!featureFlags.JS_EDITOR,
  );
  CodemirrorTernService.updateDef("DATA_TREE", def, entityInfo);
  const end = performance.now();
  log.debug("Tern", { updates });
  log.debug("Tern definitions updated took ", (end - start).toFixed(2));
}

export function* handleJSFunctionExecutionErrorLog(
  collectionId: string,
  collectionName: string,
  action: JSAction,
  errors: any[],
) {
  errors.length
    ? AppsmithConsole.addError({
        id: `${collectionId}-${action.id}`,
        logType: LOG_TYPE.EVAL_ERROR,
        text: `${createMessage(JS_EXECUTION_FAILURE)}: ${collectionName}.${
          action.name
        }`,
        messages: errors.map((error) => ({
          message: error.errorMessage || error.message,
          type: PLATFORM_ERROR.JS_FUNCTION_EXECUTION,
          subType: error.errorType,
        })),
        source: {
          id: action.id,
          name: `${collectionName}.${action.name}`,
          type: ENTITY_TYPE.JSACTION,
          propertyPath: `${collectionName}.${action.name}`,
        },
      })
    : AppsmithConsole.deleteError(`${collectionId}-${action.id}`);
}