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

#include "c_Memory.h"

// Your updated line tracing diagnostic macro
#define EXPECT_EQ(actual, expected, msg) \
    do { \
        if ((actual) != (expected)) { \
            printf("  [X] Assert Failed: %s (Expected %d, got %d) %s:%d\n", msg, (int)(expected), (int)(actual), __FILE__, __LINE__); \
            return C_FALSE; \
        } \
    } while(0)

c_bool_t test_inplace_msd_radix_sort_execution(void) {
    c_InPlaceMSDRadixSort_t sort;
    sort.R = 256; // Standard extended ASCII alphabet boundaries

    c_size_t n = 7;
    // Unsorted variable-length string test pool configurations
    char* test_data[] = {
        "she",
        "sells",
        "seashells",
        "by",
        "the",
        "sea",
        "shore"
    };

    // Allocate an array of modifiable pointers to replicate the application environment
    char** arr = (char**)C_ALLOC(n * sizeof(char*));
    if (arr == NULL) return C_FALSE;
    for (c_size_t i = 0; i < n; i++) arr[i] = test_data[i];

    printf("  [LOG] Launching space-optimized In-Place MSD Radix Sort...\n");
    c_err_t err = c_InPlaceMSDRadixSort_Sort(&sort, arr, n);

    EXPECT_EQ(err, C_ERR_OK, "In-place MSD sort engine returned unexpected runtime error code");

    // Mathematically sorted verification checkpoints list mapping:
    // Expected alphabetical sequence: by, sea, seashells, sells, she, shore, the
    EXPECT_EQ(strcmp(arr[0], "by"), 0, "Sorted position 0 incorrect");
    EXPECT_EQ(strcmp(arr[1], "sea"), 0, "Sorted position 1 incorrect");
    EXPECT_EQ(strcmp(arr[2], "seashells"), 0, "Sorted position 2 incorrect");
    EXPECT_EQ(strcmp(arr[3], "sells"), 0, "Sorted position 3 incorrect");
    EXPECT_EQ(strcmp(arr[4], "she"), 0, "Sorted position 4 incorrect");
    EXPECT_EQ(strcmp(arr[5], "shore"), 0, "Sorted position 5 incorrect");
    EXPECT_EQ(strcmp(arr[6], "the"), 0, "Sorted position 6 incorrect");

    // Checkpoint 2: Variable Length Validation check
    // "sea" must strictly precede its extended prefix branch form "seashells"
    EXPECT_EQ(strcmp(arr[1], "sea") == 0 && strcmp(arr[2], "seashells") == 0, C_TRUE, "Variable-length short-prefix ordering failed");

    printf("    [STAT] In-Place MSD Radix Sort verified successfully. Alphabetic Output: ");
    for (c_size_t i = 0; i < n; i++) {
        printf("%s ", arr[i]);
    }
    printf("\n");

    C_FREE(arr);
    return C_TRUE;
}

int main(void) {
    printf("=== Starting Framework Verification: In-Place MSD Radix Sort ===\n");
    if (test_inplace_msd_radix_sort_execution()) {
        printf("  [PASS] Variable-Length In-Place Cyclic Swap Permutations and Array Pointer Re-maps Verified.\n");
    } else {
        printf("  [FAIL] Radix Partition Tree In-Place Structural Analysis Anomalies Intercepted.\n");
    }
    return 0;
}