// Top class
class testbench_env extends uvm_component;
    string name;
    virtual testbench_if tb_if;

    agent_reset rst_agt;
    sequencer_tb tb_sequencer;

    `uvm_component_utils(testbench_env)

    function new(string name, uvm_component parent);
        super.new(name, parent);
        `uvm_info("new", $sformatf("Initialized testbench %s", name), UVM_LOW)
    endfunction

    function void build_phase(uvm_phase phase);
        super.build_phase(phase);

        rst_agt = agent_reset::type_id::create("reset_agent", this);
        tb_sequencer  = sequencer_tb::type_id::create("tb_sequencer", this);
    endfunction

    function void connect_phase(uvm_phase phase);
        super.connect_phase(phase);

        if (!uvm_config_db#(virtual testbench_if)::get(this, "", "tb_vif", tb_if)) begin
            `uvm_fatal("CFG_DB_FAIL", $sformatf("Failed to fetch interface for %0s", get_full_name()))
        end

        `uvm_info("connect_phase", $sformatf("Build phase complete"), UVM_LOW)
    endfunction

    function uvm_sequencer get_tb_sequencer();
        return tb_sequencer;
    endfunction

    function uvm_sequencer get_rst_sequencer();
        return rst_agt.sequencer;
    endfunction
endclass