REPORT {{p}}walker_stats.

DATA gv_walker TYPE {{p}}walk-walker.
DATA gv_date   TYPE {{p}}walk-walk_date.

SELECT-OPTIONS s_date FOR gv_date.
SELECT-OPTIONS s_walker FOR gv_walker.

CLASS lcl_report DEFINITION FINAL.
  PUBLIC SECTION.
    TYPES tt_line   TYPE STANDARD TABLE OF {{p}}walksum WITH EMPTY KEY.
    TYPES tt_walker TYPE RANGE OF {{p}}walk-walker.
    TYPES tt_date   TYPE RANGE OF {{p}}walk-walk_date.

    METHODS select_totals
      IMPORTING it_date         TYPE tt_date
                it_walker       TYPE tt_walker
      RETURNING VALUE(rt_lines) TYPE tt_line.

    METHODS display
      CHANGING ct_lines TYPE tt_line.
ENDCLASS.

CLASS lcl_report IMPLEMENTATION.
  METHOD select_totals.
    SELECT walker, SUM( dist_m ) AS dist_m, COUNT( * ) AS walks
      FROM {{p}}walk
      WHERE walk_date IN @it_date
        AND walker IN @it_walker
        AND status = 'F'
      GROUP BY walker
      HAVING COUNT( * ) >= 2
      INTO CORRESPONDING FIELDS OF TABLE @rt_lines.
    SORT rt_lines BY dist_m DESCENDING walker ASCENDING.
  ENDMETHOD.

  METHOD display.
    TRY.
        cl_salv_table=>factory( IMPORTING r_salv_table = DATA(lo_alv)
                                CHANGING  t_table      = ct_lines ).
        lo_alv->display( ).
      CATCH cx_salv_msg INTO DATA(lx_error).
        MESSAGE lx_error TYPE 'I' DISPLAY LIKE 'E'.
    ENDTRY.
  ENDMETHOD.
ENDCLASS.

START-OF-SELECTION.
  DATA(go_report) = NEW lcl_report( ).
  DATA(gt_lines) = go_report->select_totals( it_date = s_date[] it_walker = s_walker[] ).
  go_report->display( CHANGING ct_lines = gt_lines ).

CLASS ltc_report DEFINITION FINAL FOR TESTING DURATION SHORT RISK LEVEL HARMLESS.
  PRIVATE SECTION.
    CLASS-DATA go_env TYPE REF TO if_osql_test_environment.
    CLASS-METHODS class_setup.
    CLASS-METHODS class_teardown.
    METHODS totals_per_walker FOR TESTING.
    METHODS excludes_single FOR TESTING.
    METHODS ignores_cancelled FOR TESTING.
ENDCLASS.

CLASS ltc_report IMPLEMENTATION.
  METHOD class_setup.
    go_env = cl_osql_test_environment=>create( i_dependency_list = VALUE #( ( '{{P}}WALK' ) ) ).
    DATA lt_walk TYPE STANDARD TABLE OF {{p}}walk WITH EMPTY KEY.
    lt_walk = VALUE #(
      ( walk_id = 1 walker = 'A1' walk_date = '20260105' dist_m = 3000 status = 'F' )
      ( walk_id = 2 walker = 'A1' walk_date = '20260106' dist_m = 2500 status = 'F' )
      ( walk_id = 3 walker = 'B2' walk_date = '20260105' dist_m = 8000 status = 'F' )
      ( walk_id = 4 walker = 'B2' walk_date = '20260107' dist_m = 1000 status = 'X' )
      ( walk_id = 5 walker = 'B2' walk_date = '20260108' dist_m = 2000 status = 'F' )
      ( walk_id = 6 walker = 'C3' walk_date = '20260105' dist_m = 9000 status = 'F' ) ).
    go_env->insert_test_data( lt_walk ).
  ENDMETHOD.

  METHOD class_teardown.
    go_env->destroy( ).
  ENDMETHOD.

  METHOD totals_per_walker.
    DATA(lt_lines) = NEW lcl_report( )->select_totals( it_date = VALUE #( ) it_walker = VALUE #( ) ).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = lines( lt_lines ) ).
    cl_abap_unit_assert=>assert_equals( exp = 'B2' act = lt_lines[ 1 ]-walker ).
    cl_abap_unit_assert=>assert_equals( exp = CONV {{p}}walksum-dist_m( 10000 ) act = lt_lines[ 1 ]-dist_m ).
    cl_abap_unit_assert=>assert_equals( exp = CONV {{p}}walksum-walks( 2 ) act = lt_lines[ 1 ]-walks ).
    cl_abap_unit_assert=>assert_equals( exp = 'A1' act = lt_lines[ 2 ]-walker ).
    cl_abap_unit_assert=>assert_equals( exp = CONV {{p}}walksum-dist_m( 5500 ) act = lt_lines[ 2 ]-dist_m ).
  ENDMETHOD.

  METHOD excludes_single.
    DATA(lt_lines) = NEW lcl_report( )->select_totals(
      it_date   = VALUE #( )
      it_walker = VALUE #( ( sign = 'I' option = 'EQ' low = 'C3' ) ) ).
    cl_abap_unit_assert=>assert_equals( exp = 0 act = lines( lt_lines ) ).
  ENDMETHOD.

  METHOD ignores_cancelled.
    DATA(lt_lines) = NEW lcl_report( )->select_totals(
      it_date   = VALUE #( )
      it_walker = VALUE #( ( sign = 'I' option = 'EQ' low = 'B2' ) ) ).
    cl_abap_unit_assert=>assert_equals( exp = 1 act = lines( lt_lines ) ).
    cl_abap_unit_assert=>assert_equals( exp = CONV {{p}}walksum-dist_m( 10000 ) act = lt_lines[ 1 ]-dist_m ).
    cl_abap_unit_assert=>assert_equals( exp = CONV {{p}}walksum-walks( 2 ) act = lt_lines[ 1 ]-walks ).
  ENDMETHOD.
ENDCLASS.