#include "test.h"
#include "graph.h"

#define NUM_TRP 10

static int _create_triples(LSUP_Triple *trp)
{
    // These constitute overall 10 individual triples, 8 unique.

    trp[0].s = LSUP_term_new(LSUP_TERM_URI, "urn:s:0", NULL, NULL);
    trp[0].p = LSUP_term_new(LSUP_TERM_URI, "urn:p:0", NULL, NULL);
    trp[0].o = LSUP_term_new(LSUP_TERM_URI, "urn:o:0", NULL, NULL);

    trp[1].s = LSUP_term_new(LSUP_TERM_URI, "urn:s:1", NULL, NULL);
    trp[1].p = LSUP_term_new(LSUP_TERM_URI, "urn:p:1", NULL, NULL);
    trp[1].o = LSUP_term_new(LSUP_TERM_URI, "urn:o:1", NULL, NULL);

    trp[2].s = LSUP_term_new(LSUP_TERM_URI, "urn:s:2", NULL, NULL);
    trp[2].p = LSUP_term_new(LSUP_TERM_URI, "urn:p:2", NULL, NULL);
    trp[2].o = LSUP_term_new(LSUP_TERM_URI, "urn:o:2", NULL, NULL);

    trp[3].s = LSUP_term_new(LSUP_TERM_URI, "urn:s:0", NULL, NULL);
    trp[3].p = LSUP_term_new(LSUP_TERM_URI, "urn:p:1", NULL, NULL);
    trp[3].o = LSUP_term_new(LSUP_TERM_URI, "urn:o:2", NULL, NULL);

    trp[4].s = LSUP_term_new(LSUP_TERM_URI, "urn:s:0", NULL, NULL);
    trp[4].p = LSUP_term_new(LSUP_TERM_URI, "urn:p:2", NULL, NULL);
    trp[4].o = LSUP_term_new(
            LSUP_TERM_LITERAL, "String 1", NULL, NULL);

    trp[5].s = LSUP_term_new(LSUP_TERM_URI, "urn:s:0", NULL, NULL);
    trp[5].p = LSUP_term_new(LSUP_TERM_URI, "urn:p:5", NULL, NULL);
    trp[5].o = LSUP_term_new(
            LSUP_TERM_LITERAL, "String 2", "xsd:string", NULL);

    trp[6].s = LSUP_term_new(LSUP_TERM_URI, "urn:s:1", NULL, NULL);
    trp[6].p = LSUP_term_new(LSUP_TERM_URI, "urn:p:6", NULL, NULL);
    trp[6].o = LSUP_term_new(
            LSUP_TERM_LITERAL, "String 3", "xsd:string", "es-ES");

    // Let's reuse pointers. Do not double-free.
    trp[7].s = trp[0].s; // <urn:s:0>
    trp[7].p = trp[2].p; // <urn:p:2>
    trp[7].o = trp[5].o; // "String 2"^^xsd:string

    // Duplicate of trp[7]. Do not double-free.
    trp[8].s = trp[0].s;
    trp[8].p = trp[2].p;
    trp[8].o = trp[5].o;

    // Duplicate of trp[7] from different pointers with same value.
    // Do not double-free.
    trp[9].s = trp[5].s;
    trp[9].p = trp[4].p;
    trp[9].o = trp[5].o;

    return 0;
}


static void _free_triples(LSUP_Triple *trp)
{
    // Last three triples are second pointers.
    for(int i=0; i < NUM_TRP - 3; i++) {
        LSUP_term_free(trp[i].s);
        LSUP_term_free(trp[i].p);
        LSUP_term_free(trp[i].o);
    }

    free(trp);
}


static int test_graph_heap()
{
    LSUP_Graph *gr = LSUP_graph_new(10, "urn:gr:1", LSUP_STORE_MEM);

    ASSERT(strcmp(LSUP_graph_uri(gr)->data, "urn:gr:1") == 0, "Graph URI mismatch!");
    EXPECT_INT_EQ(LSUP_graph_size(gr), 0);

    LSUP_graph_free(gr);

    return 0;
}


static int test_graph_add()
{
    LSUP_Triple *trp = malloc(NUM_TRP * sizeof(LSUP_Triple));
    _create_triples(trp);

    LSUP_Graph *gr = LSUP_graph_new(NUM_TRP + 2, "urn:gr:2", LSUP_STORE_MEM);

    LSUP_graph_add(gr, trp, NUM_TRP);

    for (int i = 0; i < sizeof(trp); i++) {
        printf("checking triple #%d... ", i);
        ASSERT(LSUP_graph_contains(gr, trp + i), "Triple not in graph!");
        printf("OK.\n");
    }

    _free_triples(trp); // gr copied data.

    EXPECT_INT_EQ(LSUP_graph_size(gr), 8);

    LSUP_graph_free(gr);

    return 0;
}


int graph_tests()
{
    RUN(test_graph_heap);
    RUN(test_graph_add);
    return 0;
}