#include <stdio.h>
#include <stdlib.h>

// -------------- By: Anisha KC | ID: 805536562---------------- //



// ---------------- Creating the structs --------------------------- //
// Cell struct (node)
typedef struct cell {
    char  *data;
    struct cell *left;
    struct cell *right;
} cell;

// Moving commands struct (state machines)
typedef struct stateMachine {
    int currentState;
    char readVal;
    char writeVal;
    char moveDirection;
    int newState;
} stateMachine;
// ----------------- Done creating structs ------------------------- //



// ----------------------------- Main function ------------------------------ //
int main() {
    // Variables
    char *pInitialTape, initialTape[50];pInitialTape = initialTape;
    int *pNumOfStates, numOfStates; pNumOfStates = &numOfStates;
    int *pStartState, startState; pStartState = &startState;
    int *pEndState, endState; pEndState = &endState;

    // Ask for input file
    FILE *fp;
    char fileName [500];
    printf("Input file path: ");
    scanf("%s", &fileName);

    // Open the input file
    fp = fopen(fileName,"r");

    // File is not found
    if(fp ==  NULL) {
        printf("File not found \n");
        return (1);
    }

    // Read the file
    // Get initial tape, number of states, start state and end state
    fscanf(fp, "%s \n %d \n %d \n %d \n", pInitialTape, &pNumOfStates, &pStartState, &pEndState);
    cell start = {"A", NULL, NULL};
    printf("Initial tape: %s, # of States: %d, Start State: %d, End State: %d \n", pInitialTape, pNumOfStates, pStartState, pEndState);

    // Read rest of the file and get state machines (if any)
    char * line = NULL;
    size_t len = 0;
    ssize_t read;
    stateMachine *pTempSM, tempSM;
    pTempSM = &tempSM;
    while ((read = getline(&line, &len, fp)) != -1) {
        fscanf(fp, "(%d,%c)->(%c,%c,%d", &pTempSM->currentState, &pTempSM->readVal, &pTempSM->writeVal, &pTempSM->moveDirection, &pTempSM->newState);
        printf("(%d,%c)->(%c,%c,%d)\n",pTempSM->currentState, pTempSM->readVal, pTempSM->writeVal, pTempSM->moveDirection, pTempSM->newState);

    }

    // Closing the file
    fclose(fp);

    return 0;
}
// ----------------------------- End of main function ------------------------------ //