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PayloadAction,
CaseReducer,
SliceCaseReducers,
} from "@reduxjs/toolkit";
import { EntitiesState } from "shared/lib/entities/entitiesTypes";
import {
applyReparentEntityToCollection,
applyReparentFolderToCollection,
genEntitySymbol,
} from "shared/lib/entities/entitiesHelpers";
import { variablesAdapter } from "store/features/entities/adapters";
import { v4 as uuid } from "uuid";
import { localVariableSelectTotal } from "store/features/entities/helpers";
import { Variable, VariableType } from "shared/lib/resources/types";
import { toValidSymbol } from "shared/lib/helpers/symbols";
type AddVariablePayload = {
variableId?: string;
name?: string;
type?: VariableType;
length?: number;
flags?: Record<string, string>;
};
type PreparedAddVariablePayload = AddVariablePayload & {
variableId: string;
};
const clampLength = (length: number | undefined) =>
Math.max(1, Math.floor(length || 1));
const addVariable: CaseReducer<
EntitiesState,
PayloadAction<PreparedAddVariablePayload>
> = (state, action) => {
const numVariables = localVariableSelectTotal(state);
const name = action.payload.name ?? "";
const type = action.payload.type ?? "number";
const symbol = genEntitySymbol(
state,
name ? `var_${name}` : `var_${numVariables + 1}`,
);
const newVariable: Variable =
type === "array"
? {
id: action.payload.variableId,
name,
symbol,
type,
length: clampLength(action.payload.length),
...(action.payload.flags !== undefined
? { flags: action.payload.flags }
: {}),
}
: {
id: action.payload.variableId,
name,
symbol,
type,
...(action.payload.flags !== undefined
? { flags: action.payload.flags }
: {}),
};
variablesAdapter.addOne(state.variables, newVariable);
};
const setVariableType: CaseReducer<
EntitiesState,
PayloadAction<{ variableId: string; type: VariableType }>
> = (state, action) => {
const existingVariable = state.variables.entities[action.payload.variableId];
Iif (!existingVariable) {
return;
}
const baseVariable = {
id: existingVariable.id,
name: existingVariable.name,
symbol: existingVariable.symbol,
flags: existingVariable.flags,
};
const updatedVariable: Variable =
action.payload.type === "array"
? {
...baseVariable,
type: "array",
length:
existingVariable.type === "array"
? clampLength(existingVariable.length)
: 1,
}
: {
...baseVariable,
type: "number",
};
variablesAdapter.setOne(state.variables, updatedVariable);
};
const setVariableLength: CaseReducer<
EntitiesState,
PayloadAction<{ variableId: string; length: number }>
> = (state, action) => {
const existingVariable = state.variables.entities[action.payload.variableId];
if (!existingVariable || existingVariable.type !== "array") {
return;
}
variablesAdapter.updateOne(state.variables, {
id: action.payload.variableId,
changes: {
length: clampLength(action.payload.length),
},
});
};
const renameVariable: CaseReducer<
EntitiesState,
PayloadAction<{ variableId: string; name: string }>
> = (state, action) => {
const existingVariable = state.variables.entities[action.payload.variableId];
if (existingVariable?.name === action.payload.name) {
return;
} else if (existingVariable) {
const preferredSymbol = `var_${action.payload.name}`;
variablesAdapter.updateOne(state.variables, {
id: action.payload.variableId,
changes: {
name: action.payload.name,
symbol:
action.payload.name.length > 0
? toValidSymbol(preferredSymbol) === existingVariable.symbol
? existingVariable.symbol
: genEntitySymbol(state, preferredSymbol)
: existingVariable.symbol,
},
});
} else Eif (action.payload.name.length > 0) {
variablesAdapter.addOne(state.variables, {
id: action.payload.variableId,
name: action.payload.name,
symbol: genEntitySymbol(state, `var_${action.payload.name}`),
type: "number",
});
}
};
const renameVariableFlags: CaseReducer<
EntitiesState,
PayloadAction<{ variableId: string; flags: Record<string, string> }>
> = (state, action) => {
const existingVariable = state.variables.entities[action.payload.variableId];
const numFlags = Object.values(action.payload.flags).length;
if (existingVariable) {
variablesAdapter.updateOne(state.variables, {
id: action.payload.variableId,
changes: {
flags: action.payload.flags,
},
});
} else Eif (numFlags > 0) {
variablesAdapter.addOne(state.variables, {
id: action.payload.variableId,
name: "",
symbol: "",
type: "number",
flags: action.payload.flags,
});
}
};
const removeVariable: CaseReducer<
EntitiesState,
PayloadAction<{ variableId: string }>
> = (state, action) => {
variablesAdapter.removeOne(state.variables, action.payload.variableId);
};
const reparentVariablesFolder: CaseReducer<
EntitiesState,
PayloadAction<{
fromPath: string;
toPath: string;
}>
> = (state, action) => {
applyReparentFolderToCollection(
state.variables.entities,
action.payload.fromPath,
action.payload.toPath,
);
};
const reparentVariable: CaseReducer<
EntitiesState,
PayloadAction<{
variableId: string;
toPath: string;
}>
> = (state, action) => {
applyReparentEntityToCollection(
state.variables.entities,
action.payload.variableId,
action.payload.toPath,
);
};
const variablesReducers = {
addVariable: {
reducer: addVariable,
prepare: (payload: AddVariablePayload = {}) => {
return {
payload: {
...payload,
variableId: payload?.variableId ?? uuid(),
},
};
},
},
renameVariable,
renameVariableFlags,
removeVariable,
setVariableType,
setVariableLength,
reparentVariablesFolder,
reparentVariable,
} satisfies SliceCaseReducers<EntitiesState>;
export default variablesReducers;
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