import {State} from "../states/State";
import {ScriptAccountAction} from "../actions/ScriptAccountAction";
import {ScriptAccount} from "../../scriptAccounts/ScriptAccount";
import {ScriptAccountCondition} from "../conditions/ScriptAccountCondition";

export abstract class Transition<S extends State<any>> {
  startingState: S
  endingState: S

  scriptAccountActions: ScriptAccountAction[] = [];
  scriptAccountConditions: ScriptAccountCondition[] = [];

  constructor(startingState: S, endingState: S) {
    this.startingState = startingState;
    this.endingState = endingState;

    this.startingState.addOutgoingTransition(this);
    this.endingState.addIncomingTransition(this);
  }

  addScriptAccountAction(scriptAccountAction: ScriptAccountAction) {
    if(scriptAccountAction != undefined) {
      const searchedScriptAccount = this.findScriptAccountActionByScriptAccount(scriptAccountAction.scriptAccount);
      if(searchedScriptAccount == undefined) {
        this.scriptAccountActions.push(scriptAccountAction)
      } else {
        searchedScriptAccount.changingValue += scriptAccountAction.changingValue;
      }
    }
  }

  removeScriptAccountAction(scriptAccount: ScriptAccount) {
    if(scriptAccount != undefined) {
      this.scriptAccountActions = this.scriptAccountActions.filter(sA => sA.scriptAccount.componentName !== scriptAccount.componentName);
    }
  }

  findScriptAccountActionByScriptAccount(scriptAccount: ScriptAccount) {
    return this.scriptAccountActions.find(sA => sA.scriptAccount.componentName === scriptAccount.componentName);
  }

  addScriptAccountCondition(scriptAccountCondition: ScriptAccountCondition) {
    const existingScriptAccountCondition = this.findScriptAccountConditionByScriptAccount(scriptAccountCondition.scriptAccount);
    if(existingScriptAccountCondition != undefined) {
      if(!existingScriptAccountCondition.isContradicting(scriptAccountCondition)) {
        existingScriptAccountCondition.extendCondition(scriptAccountCondition)
      }
    } else {
      this.scriptAccountConditions.push(scriptAccountCondition);
    }
  }

  removeScriptAccountCondition(scriptAccount: ScriptAccount) {
    this.scriptAccountConditions = this.scriptAccountConditions.filter(condition => condition.scriptAccount !== scriptAccount);
  }

  findScriptAccountConditionByScriptAccount(scriptAccount: ScriptAccount): ScriptAccountCondition | undefined {
    return this.scriptAccountConditions.find(condition => condition.scriptAccount === scriptAccount);
  }
}