#include "StateUtilities_LogN.h"

// local constants
const int NAME_BLOCK_SIZE = 16;
const int POPULATION_BLOCK_SIZE = 12;
const int GROWTH_BLOCK_SIZE = 10;
// missing constants from assignment file
const int ITEM_BLOCK_SIZE = 6;
const int MAJORITY_BLOCK_SIZE = 10;
const char EQUALS = '=';
const char PLUS = '+';
const int TITLE_LENGTH = 38;

// all functions

/*
Name: addElementFromData
Process: adds all individual data values to StateDataType array,
         must check for resize before adding new element
Function input/parameters: pointer to data array type (StateArrayType *),
                           state name (const char *),
                           state population (int),
                           state growth (double),
                           state political majority (char)
Function output/parameters: updated data array (StateArrayType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed, including strcpy
*/
void addElementFromData( StateArrayType *stateArr,
                      const char *stateName, int statePop,
                                   double stateGrowth, char politicalMajority )
{
  printf("\nAdding Element(from data)\n");
  printf("\nSize is: %d\n", &stateArr->size);
  printf("\nCapacity is: %d\n", &stateArr->capacity);
  // check to see if the size will go over the capacity
    if(&stateArr->size < &stateArr->capacity)
    {
        printf("\nInside IF\n");
        // put in the data to the array
        // stateArr->array[stateArr.size] = parameter
        stateArr->array[&stateArr->size].population = statePop;
        stateArr->array[&stateArr->size].growth = stateGrowth;
        stateArr->array[&stateArr->size].majority = politicalMajority;
        // use strcpy(stateArr->array[stateArr.size].name, stateName)
        strcpy(stateArr->array[&stateArr->size].name, stateName);
        // increment size (stateArr.size = stateArr.size + 1)
        &stateArr->size = &stateArr->size + 1;
        printf("\nDONE IF\n");
    }
  // no return, void
}

/*
Name: addElementFromElement
Process: adds data from element to StateDataType array,
         uses supporting function
Function input/parameters: data array type (StateArrayType *)
                           source element (const StateDataType)
Function output/parameters: updated data array (StateArrayType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: addElementFromData - function uses one code statement
*/
void addElementFromElement( StateArrayType *stateArr,
                                                    const StateDataType state )
{
  printf("\nAdding Element\n");
  addElementFromData(stateArr, state.name, state.population, 
                                                  state.growth, state.majority);
  printf("\nAdded Element\n");
  // no return, void
}

/*
Name: checkForResize
Process: checks if array needs to be resized,
         resizes (increases capacity of) array to double capacity
         and moves data from previous array into new one
Function input/parameters: pointer to state array type (StateArrayType *)
Function output/parameters: updated pointer
                            to state array type (StateArrayType *)
                            if resize has taken place,
                            otherwise ADT is unchanged
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed, including malloc, free, keyword sizeof
*/
void checkForResize( StateArrayType *stateArray )
{
  // no return, void
}

/*
Name: clearStateArrayType
Process: deallocates dynamically allocated array from memory,
         deallocates dynamically allocated state data type,
         returns NULL
Function input/parameters: data array (StateDataType *)
Function output/parameters: none
Function output/returned: NULL
Device input/---: none
Device output/---: none
Dependencies: as needed, including free
*/
StateArrayType *clearStateArrayType( StateArrayType *stateArray )
{
  int stateIterator;
  for(stateIterator = 0; stateIterator < stateArray->size; stateIterator++)
  {
    // free the states from memory
    free(&stateArray->array[stateIterator]);
  }
  // free the array in the stateArray
  free(stateArray);
  // return NULL once complete
  return NULL;
}

/*
Name: copyArrayType
Process: copies state data array type from one array type to another
Function input/parameters: source array (const StateArrayType)
Function output/parameters: pointer to destination array (StateDataType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
void copyArrayType( StateArrayType *dest, const StateArrayType src )
{
  // no return, void
}

/*
Name: createStateArrayType
Process: dynamically allocates memory for array type,
         dynamically allocates memory for array,
         initializes size and capacity
Function input/parameters: initial capacity (int)
Function output/parameters: none
Function output/returned: pointer to newly created array type (StateArrayType *)
Device input/---: none
Device output/---: none
Dependencies: as needed, including function malloc and keyword sizeof
*/
StateArrayType *createStateArrayType( int initialCapacity )
{
  // return NULL (temporarily)
  return NULL;
}

/*
Name: deepCopy
Process: copies all individual values from StateDataType source
         to StateDataType destination
Function input/parameters: source element (const StateDataType)
Function output/parameters: pointer to destination value (StateDataType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed, including strcpy
*/
void deepCopy( StateDataType *dest, const StateDataType src )
{
  // no return, void
}

/*
Name: displayData
Process: displays element data in array type as table
         if array is not empty,
         otherwise displays "Data not found - Display aborted",
         allows for subtitle to be added to "Display Data - "
Function input/parameters: state data array type (const StateArrayType *),
                                                         subtitle (const char *)
Function output/parameters: none
Function output/returned: none
Device input/---: none
Device output/monitor: data displayed as specified
Dependencies: as needed
*/
void displayData( const StateArrayType arrayType, const char *subTitle )
{
  // no return, void
}

/*
Name: reverseArray
Process: reverses values in array
Function input/parameters: pointer to state array type (StateArrayType *)
Function output/parameters: none
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
void reverseArray( StateArrayType *stateArray )
{
  // no return, void
}

/*
Name: runMerge
Process: merges StateArrayType ADT subsets brought in between a low, middle,
         and high index segment of the StateArrayType ADT,
         must dynamically create (and release) one internal array
         must use three array transfer loops
Function input/parameters: pointer to state array type (StateArrayType *),
                           low index, middle index, high index (int)
Function output/parameters: pointer to updated state array type
                                                              (StateArrayType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
void runMerge( StateArrayType *stateArray,
                                  int lowIndex, int middleIndex, int highIndex )
{
  // no return, void
}

/*
Name: runMergeSortByName
Process: sorts StateArrayType ADT using merge sort algorithm,
         calls helper function with appropriate indices
Function input/parameters: pointer to state array type (StateArrayType *)
Function output/parameters: pointer to updated state array type
                                                            (StateArrayType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
void runMergeSortByName( StateArrayType *stateArray )
{
  // no return, void
}

/*
Name: runMergeSortHelper
Process: recursively breaks given StateArrayType ADT segments down
         to smaller segments between lowIndex and highIndex (inclusive),
         then sorts data using merge operation for segments created
Function input/parameters: pointer to state array type (StateArrayType *),
                           low & high inclusive indices (int)
Function output/parameters: pointer to updated state array type
                                                            (StateArrayType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
void runMergeSortHelper( StateArrayType *stateArray,
                                                  int lowIndex, int highIndex )
{
  // no return, void
}

/*
Name: runPartition
Process: partitions StateArrayType ADT
         must use the first value as the partition value;
         when this function is complete the partition value is
         in the correct location in the array;
         main loop must iterate from left to right
Function input/parameters: pointer to state array type (StateArrayType *)
Function output/parameters: pointer to updated state array type
                                                            (StateArrayType *)
Function output/returned: partition value index within array
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
int runPartition( StateArrayType *stateArray, int lowIndex, int highIndex )
{
  // return zero (temporarily)
  return 0;
}

/*
Name: runQuickSortByPopulation
Process: sorts StateArrayType ADT using quick sort algorithm,
         calls helper with appropriate indices to implement sort
Function input/parameters: pointer to state array type (StateArrayType *)
Function output/parameters: pointer to updated state array type
                                                            (StateArrayType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
void runQuickSortByPopulation( StateArrayType *stateArray )
{
  // no return, void
}

/*
Name: runQuickSortHelper
Process: helper function run with parameters that partition arrays
         on a given (first) element of an array segment,
         then recursively sort left and right sides of given partition value
Function input/parameters: pointer to state array type (StateArrayType *)
         low & high inclusive indices (int)
Function output/parameters: pointer to updated state array type
                                                            (StateArrayType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
void runQuickSortHelper( StateArrayType *stateArray,
                                                  int lowIndex, int highIndex )
{
  // no return, void
}

/*
Name: setEmptyElementData
Process: sets state data type to empty or default values,
         name to empty string, population and growth to zero,
         and majority to 'x'
Function input/parameters: none
Function output/parameters: state data value (StateDataType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: none
*/
void setEmptyElementData( StateDataType *element )
{
  // set the element's name to ""
  strcpy(element->name, "");
  // set the element's population and growth to 0
  element->population = 0;
  element->growth = 0.0;
  // set the element's majority to 'x'
  element->majority = 'x';
  // no return, void
}

/*
Name: showTitle
Process: displays program title with thick underline,
         "Data Management with Log N Sorting"
Function input/parameters: none
Function output/parameters: none
Function output/returned: none
Device input/---: none
Device output/monitor: displays title as specified
Dependencies: as needed
*/
void showTitle()
{
  // use console io utilities to display the string
  printString("Data Management with Log N Sorting");
  // print endline
  printEndline();
  // use console io utilities to display 38 '='
  printCharacters(TITLE_LENGTH, EQUALS);
  // print an endline
  printEndline();
  // no return, void
}

/*
Name: swapElements
Process: swaps state data elements within an array
Function input/parameters: given array (StateDataType *),
                           left and right indices to be swapped (int)
Function output/parameters: updated array with swapped values (StateDataType *)
Function output/returned: none
Device input/---: none
Device output/---: none
Dependencies: as needed
*/
void swapElements( StateDataType *array, int leftIndex, int rightIndex )
{
  // no return, void
}

/*
Name: uploadStateData
Process: uploads data from given file to state data array,
         ignores first (title) line in .csv file,
         then captures comma-delimited state name, population, growth,
         and political majority data on each row,
         returns true if upload successful, false otherwise
Function input/parameters: file name (const char *)
Function output/parameters: updated array with uploaded values (StateDataType *)
Function output/returned: Boolean result of upload operation
Device input/HD: data uploaded from text file as specified
Device output/---: none
Dependencies: as needed
*/
bool uploadStateData( StateArrayType *arrayType, const char *fileName )
{
  // setup a counter and other variables
    int stateNum = 0;
    StateDataType stateUpload;
    bool fileOpenCheck;
    char currentString[STD_STR_LEN];
    // int populationUpload;
    // double growthUpload;
    // char majorityUpload;
    // open file
    setEmptyElementData(&stateUpload);
    fileOpenCheck = openInputFile(fileName);
    if(fileOpenCheck)
    {
        // read in the four strings/starting line 
                                            // (use readStringToLineEndFromFile)
        readStringToLineEndFromFile(currentString);
        while(!checkForEndOfInputFile())
        {
            // repeat these steps: (use readStringToDelimiterFromFile)
                // read in the state name, store
            readStringToDelimiterFromFile(COMMA, currentString);
            strcpy(stateUpload.name, currentString);
                // read in the population, store (cast from string to int)
            stateUpload.population = readIntegerFromFile();
            readCharacterFromFile();
                // read in the growth, store (cast from string to double)
            stateUpload.growth = readDoubleFromFile();
                // read in the majority, store
            readCharacterFromFile();
            stateUpload.majority = readCharacterFromFile();
            // use the addElementFromElement function to add the data to array
            printf("\nElement: %d uploaded\n", stateNum);
            stateNum = stateNum + 1;
            addElementFromElement(arrayType, stateUpload);
            // do until end of the file is reached.
        }
        // return true when completely finished
        return true;
    }
  // return false
  return false;
}