#include "test.h"
#include "store_mdb.h"
#include "assets.h"


static char *path = "/tmp/testdb";


static void rmdb() {
    char data_path[32], lock_path[32];
    sprintf(data_path, "%s/data.mdb", path);
    sprintf(lock_path, "%s/lock.mdb", path);

    printf("Removing %s\n", data_path);
    remove(data_path);
    printf("Removing %s\n", lock_path);
    remove(lock_path);
    printf("Removing %s\n", path);
    remove(path);
}


/** @brief Test triple store.
 */
static int test_triple_store()
{
    rmdb();
    EXPECT_PASS(LSUP_mdbstore_setup(&path));

    LSUP_MDBStore *store = LSUP_mdbstore_new(path, NULL); // triple store.
    ASSERT(store != NULL, "Error initializing store!");

    LSUP_Triple *trp = create_triples();
    LSUP_Buffer sterms[NUM_TRP][3];
    LSUP_SerTriple ser_trp[NUM_TRP];

    for (int i = 0; i < NUM_TRP; i++) {
        ser_trp[i].s = sterms[i];
        ser_trp[i].p = sterms[i] + 1;
        ser_trp[i].o = sterms[i] + 2;
        for (int j = 0; j < 3; j++) {
            LSUP_term_serialize(
                    LSUP_triple_pos(trp + i, j),
                    LSUP_striple_pos(ser_trp + i, j));
        }
    }

    // Test adding.
    size_t ins;
    EXPECT_PASS(LSUP_mdbstore_add(store, NULL, ser_trp, NUM_TRP, &ins));
    EXPECT_INT_EQ(ins, 8);
    EXPECT_INT_EQ(LSUP_mdbstore_size(store), 8);

    // Test lookups.
    LSUP_SerTriple lut[12] = {
        {NULL, NULL, NULL},

        {ser_trp[0].s, NULL, NULL},
        {ser_trp[2].s, NULL, NULL},
        {NULL, ser_trp[0].p, NULL},
        {NULL, ser_trp[0].s, NULL},
        {NULL, NULL, ser_trp[6].o},

        {ser_trp[4].s, ser_trp[4].p, NULL},
        {NULL, ser_trp[7].p, ser_trp[7].o},
        {ser_trp[5].s, NULL, ser_trp[5].o},
        {ser_trp[5].s, NULL, ser_trp[5].o},

        {ser_trp[4].s, ser_trp[4].p, ser_trp[4].o},
        {ser_trp[4].s, ser_trp[4].p, ser_trp[6].o},
    };

    LSUP_Buffer *luc[12] = {
        NULL,

        NULL,
        ser_trp[2].s,
        NULL,
        NULL,
        NULL,

        NULL,
        NULL,
        NULL,
        ser_trp[2].s,

        NULL,
        NULL,
    };

    size_t results[12] = {
        8,
        5, 1, 1, 0, 1,
        2, 1, 2, 2,
        1, 0,
    };

    for (int i = 0; i < 12; i++) {
        size_t ct;
        TRACE("Testing triple lookup #%d.\n", i);

        LSUP_MDBIterator *it = LSUP_mdbstore_lookup(
                store, lut + i, luc[i], &ct);
        EXPECT_INT_EQ(ct, results[i]);

        LSUP_mdbiter_free(it);
    }

    for (int i = 0; i < NUM_TRP; i++) {
        LSUP_buffer_done(ser_trp[i].s);
        LSUP_buffer_done(ser_trp[i].p);
        LSUP_buffer_done(ser_trp[i].o);
    }

    LSUP_mdbstore_free(store);
    free_triples(trp);

    return 0;
}


/** @brief Test quad store.
 *
 * Insert the same triple set twice with different contexts.
 */
static int test_quad_store()
{
    rmdb();
    EXPECT_PASS(LSUP_mdbstore_setup(&path));

    LSUP_Term *ctx1 = LSUP_uri_new("urn:c:1");
    LSUP_Buffer sc1_s;
    LSUP_Buffer *sc1 = &sc1_s;
    LSUP_term_serialize(ctx1, sc1);

    LSUP_MDBStore *store = LSUP_mdbstore_new(path, sc1); // quad store.
    ASSERT(store != NULL, "Error initializing store!");

    LSUP_Triple *trp = create_triples();
    LSUP_Buffer sterms[NUM_TRP][3];
    LSUP_SerTriple ser_trp[NUM_TRP];

    for (int i = 0; i < NUM_TRP; i++) {
        ser_trp[i].s = sterms[i];
        ser_trp[i].p = sterms[i] + 1;
        ser_trp[i].o = sterms[i] + 2;
        for (int j = 0; j < 3; j++) {
            LSUP_term_serialize(
                    LSUP_triple_pos(trp + i, j),
                    LSUP_striple_pos(ser_trp + i, j));
        }
    }

    // Only triples 0÷5 in default context.
    size_t ct;
    EXPECT_PASS(LSUP_mdbstore_add(store, NULL, ser_trp, 6, &ct));
    EXPECT_INT_EQ(ct, 6);

    LSUP_Term *ctx2 = LSUP_uri_new("urn:c:2");
    LSUP_Buffer sc2_s;
    LSUP_Buffer *sc2 = &sc2_s;
    LSUP_term_serialize(ctx2, sc2);

    // Only triples 4÷9 in default context.
    EXPECT_PASS(LSUP_mdbstore_add(store, &sc2_s, ser_trp + 4, 6, &ct));
    EXPECT_INT_EQ(ct, 4);

    // 6 triples in ctx1 + 6 in ctx2 - 2 duplicates
    EXPECT_INT_EQ(LSUP_mdbstore_size(store), 10);

    // Test lookups.
    // This context is not with any triple.
    LSUP_Term *ctx3 = LSUP_uri_new("urn:c:3");
    LSUP_Buffer sc3_s;
    LSUP_Buffer *sc3 = &sc3_s;
    LSUP_term_serialize(ctx3, sc3);

    LSUP_SerTriple lut[41] = {
        // Any context
        {NULL, NULL, NULL},                                 // #0

        {ser_trp[0].s, NULL, NULL},                         // #1
        {NULL, ser_trp[0].p, NULL},                         // #2
        {NULL, ser_trp[0].s, NULL},                         // #3
        {NULL, NULL, ser_trp[6].o},                         // #4

        {ser_trp[4].s, ser_trp[4].p, NULL},                 // #5
        {NULL, ser_trp[7].p, ser_trp[7].o},                 // #6
        {ser_trp[5].s, NULL, ser_trp[5].o},                 // #7

        {ser_trp[4].s, ser_trp[4].p, ser_trp[4].o},         // #8
        {ser_trp[2].s, ser_trp[4].p, ser_trp[5].o},         // #9

        // Context 1 (trp[0÷5])
        {NULL, NULL, NULL},                                 // #10

        {ser_trp[0].s, NULL, NULL},                         // #11
        {ser_trp[2].s, NULL, NULL},                         // #12
        {NULL, ser_trp[0].p, NULL},                         // #13
        {NULL, ser_trp[6].p, NULL},                         // #14
        {NULL, NULL, ser_trp[6].o},                         // #15

        {ser_trp[4].s, ser_trp[4].p, NULL},                 // #16
        {NULL, ser_trp[7].p, ser_trp[7].o},                 // #17
        {ser_trp[5].s, NULL, ser_trp[5].o},                 // #18

        {ser_trp[4].s, ser_trp[4].p, ser_trp[4].o},         // #19
        {ser_trp[6].s, ser_trp[6].p, ser_trp[6].o},         // #20


        // Context 2 (trp[4÷9])
        {NULL, NULL, NULL},                                 // #21

        {ser_trp[0].s, NULL, NULL},                         // #22
        {NULL, ser_trp[0].p, NULL},                         // #23
        {NULL, ser_trp[0].s, NULL},                         // #24
        {NULL, NULL, ser_trp[6].o},                         // #25

        {ser_trp[4].s, ser_trp[4].p, NULL},                 // #26
        {NULL, ser_trp[7].p, ser_trp[7].o},                 // #27
        {ser_trp[5].s, NULL, ser_trp[5].o},                 // #28

        {ser_trp[4].s, ser_trp[4].p, ser_trp[4].o},         // #29
        {ser_trp[6].s, ser_trp[6].p, ser_trp[6].o},         // #30


        // Non-existing context
        {NULL, NULL, NULL},                                 // #31

        {ser_trp[0].s, NULL, NULL},                         // #32
        {NULL, ser_trp[0].p, NULL},                         // #33
        {NULL, ser_trp[0].s, NULL},                         // #34
        {NULL, NULL, ser_trp[6].o},                         // #35

        {ser_trp[4].s, ser_trp[4].p, NULL},                 // #36
        {NULL, ser_trp[7].p, ser_trp[7].o},                 // #37
        {ser_trp[5].s, NULL, ser_trp[5].o},                 // #38

        {ser_trp[4].s, ser_trp[4].p, ser_trp[4].o},         // #39
        {ser_trp[6].s, ser_trp[6].p, ser_trp[6].o},         // #40
    };

    LSUP_Buffer *luc[41] = {
        // Any context
        NULL,                                               // #0
        NULL, NULL, NULL, NULL,                             // #1-#4
        NULL, NULL, NULL,                                   // #5-#7
        NULL, NULL,                                         // #8-#9

        // Context 1 (trp[0÷5])
        sc1,                                                // #10
        sc1, sc1, sc1, sc1, sc1,                            // #11-#15
        sc1, sc1, sc1,                                      // #16-#18
        sc1, sc1,                                           // #19-#20

        // Context 2 (trp[4÷9])
        sc2,                                                // #21
        sc2, sc2, sc2, sc2,                                 // #22-#25
        sc2, sc2, sc2,                                      // #26-#28
        sc2, sc2,                                           // #29-#30

        // Non-existing context
        sc3,                                                // #31
        sc3, sc3, sc3, sc3,                                 // #32-#35
        sc3, sc3, sc3,                                      // #36-#38
        sc3, sc3,                                           // #39-#40
    };

    size_t results[41] = {
        // NULL ctx
        8,                      // #0
        5, 1, 0, 1,             // #1-#4
        2, 1, 2,                // #5-#7
        1, 0,                   // #8-#9

        // ctx1
        6,                      // #10
        4, 1, 1, 0, 0,          // #11-#15
        1, 0, 1,                // #16-#18
        1, 0,                   // #19-#20

        // ctx2
        4,                      // #21
        3, 0, 0, 1,             // #22-#25
        2, 1, 2,                // #26-#28
        1, 1,                   // #29-#30

        // ctx3
        0,                      // #31-#32
        0, 0, 0, 0,             // #33-#36
        0, 0, 0,                // #37-#39
        0, 0,                   // #40
    };

    for (int i = 0; i < 41; i++) {
        size_t ct;

        printf("Testing triple lookup #%d: {", i);

        if(lut[i].s) LSUP_buffer_print(lut[i].s);
        else printf("NULL");
        printf(", ");

        if(lut[i].p) LSUP_buffer_print(lut[i].p);
        else printf("NULL");
        printf(", ");

        if(lut[i].o) LSUP_buffer_print(lut[i].o);
        else printf("NULL");
        printf(", ");

        if(luc[i]) LSUP_buffer_print(luc[i]);
        else printf("NULL");
        printf("}\n");

        LSUP_MDBIterator *it = LSUP_mdbstore_lookup(
                store, lut + i, luc[i], &ct);
        ASSERT(it != NULL, "Lookup error!");
        EXPECT_INT_EQ(ct, results[i]);

        LSUP_mdbiter_free(it);
    }

    for (int i = 0; i < NUM_TRP; i++) {
        LSUP_buffer_done(ser_trp[i].s);
        LSUP_buffer_done(ser_trp[i].p);
        LSUP_buffer_done(ser_trp[i].o);
    }

    LSUP_term_free(ctx1);
    LSUP_term_free(ctx2);
    LSUP_term_free(ctx3);
    LSUP_buffer_done(&sc1_s);
    LSUP_buffer_done(&sc2_s);
    free_triples(trp);

    LSUP_mdbstore_free(store);

    return 0;
}


int store_mdb_test()
{
    RUN(test_triple_store);
    RUN(test_quad_store);
    return 0;
}