class Ejdb < Formula
  desc "Embeddable JSON Database engine C11 library"
  homepage "https://ejdb.org"
  url "https://github.com/Softmotions/ejdb/archive/v2.0.36.tar.gz"
  sha256 "e14a412a7db1ffa4b092233c126de85eeed86c056368581deeed476f44e49457"
  head "https://github.com/Softmotions/ejdb.git"

  bottle do
    cellar :any
    sha256 "bfa55f256d0b003d469684b5e85aad7b0ece4d2a347d98f3ef328df96b5602d0" => :catalina
    sha256 "0c6770d5bd7be0b2383f35f0f04a62fcbe905c6d2949a0992dc50667b8efffb0" => :mojave
    sha256 "316a18de54f648ac3e48cb27020b97c286b8a09f35bd740e138ebedc4df93431" => :high_sierra
  end

  depends_on "cmake" => :build

  def install
    mkdir "build" do
      system "cmake", "..", *std_cmake_args
      system "make", "install"
    end
  end

  test do
    (testpath/"test.c").write <<~EOS
      #include <ejdb2/ejdb2.h>

      #define RCHECK(rc_)          \\
        if (rc_) {                 \\
          iwlog_ecode_error3(rc_); \\
          return 1;                \\
        }

      static iwrc documents_visitor(EJDB_EXEC *ctx, const EJDB_DOC doc, int64_t *step) {
        // Print document to stderr
        return jbl_as_json(doc->raw, jbl_fstream_json_printer, stderr, JBL_PRINT_PRETTY);
      }

      int main() {

        EJDB_OPTS opts = {
          .kv = {
            .path = "testdb.db",
            .oflags = IWKV_TRUNC
          }
        };
        EJDB db;     // EJDB2 storage handle
        int64_t id;  // Document id placeholder
        JQL q = 0;   // Query instance
        JBL jbl = 0; // Json document

        iwrc rc = ejdb_init();
        RCHECK(rc);

        rc = ejdb_open(&opts, &db);
        RCHECK(rc);

        // First record
        rc = jbl_from_json(&jbl, "{\\"name\\":\\"Bianca\\", \\"age\\":4}");
        RCGO(rc, finish);
        rc = ejdb_put_new(db, "parrots", jbl, &id);
        RCGO(rc, finish);
        jbl_destroy(&jbl);

        // Second record
        rc = jbl_from_json(&jbl, "{\\"name\\":\\"Darko\\", \\"age\\":8}");
        RCGO(rc, finish);
        rc = ejdb_put_new(db, "parrots", jbl, &id);
        RCGO(rc, finish);
        jbl_destroy(&jbl);

        // Now execute a query
        rc =  jql_create(&q, "parrots", "/[age > :age]");
        RCGO(rc, finish);

        EJDB_EXEC ux = {
          .db = db,
          .q = q,
          .visitor = documents_visitor
        };

        // Set query placeholder value.
        // Actual query will be /[age > 3]
        rc = jql_set_i64(q, "age", 0, 3);
        RCGO(rc, finish);

        // Now execute the query
        rc = ejdb_exec(&ux);

      finish:
        if (q) jql_destroy(&q);
        if (jbl) jbl_destroy(&jbl);
        ejdb_close(&db);
        RCHECK(rc);
        return 0;
      }
    EOS
    system ENV.cc, "-I#{include}", "test.c", "-L#{lib}", "-lejdb2", "-o", testpath/"test"
    system "./test"
  end
end