drop function if exists mmt_staging2.fn_IHTEMT_STD_block;
CREATE OR REPLACE FUNCTION mmt_staging2.fn_IHTEMT_STD_block(p_client_id int,p_function_id int, p_file_format text,
p_sheet_mnemonic text, p_file_syspk int)
   RETURNS text AS $$
   declare __make text;
   declare __model text;
   
   declare __client_id int :=p_client_id;
   declare __function_id int :=p_function_id;
   declare __file_format text  :=p_file_format;
   declare __sheet_mnemonic text :=p_sheet_mnemonic;
   declare __file_syspk int :=p_file_syspk;
  declare v_state   text;
   declare v_msg     text;
   declare v_detail  text;
   declare v_hint    text;
   declare v_context text;   
   declare _error int;
   declare v_block text;
   
 begin

/************************************************************ 
Function Name:fn_IHTEMT_STD_block
Function Desc: This function populates data into staging 2 block
File Format: IHTEMT
Sheet Format: IHTEMT_STD
Creation Date: March 25 2021
Updation Date:
Author: compegence team
Function Call: select mmt_staging2.fn_IHTEMT_STD_block(p_client_id,p_function_id, p_file_format,
p_sheet_mnemonic, p_file_syspk)
Function call ex: select mmt_staging2.fn_IHTEMT_STD_block(1,2,'IHTEMT','IHTEMT_STD',456)
***************************************************************/


SET search_path TO  mmt_staging2;

/* to process multiple files - re-runnability*/

truncate table mmt_staging2.IHTEMT_STD_RAW_Data_Block;
truncate table mmt_staging2.stg_specific_table_IHTEMT_STD;
truncate table mmt_staging2.stg_process_table_IHTEMT_STD;


execute 'delete from mmt_ods.fw_jobctrl_file_sheet_block_run_schedule where file_syspk='||p_file_syspk||' and sheet_mnemonic='''||p_sheet_mnemonic||'''';


execute 'update mmt_ods.mmt_config a
set row_number_start=null,
row_previous_number=null,
row_read_end=null,
run_time=null
where   a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

/* transfer data from generic to specific for IHTEMT */
execute 'insert into  mmt_staging2.stg_specific_table_IHTEMT_STD 
select * from mmt_staging1.mmt_staging_generic_table a
where   a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''
and a.file_syspk='||p_file_syspk||'';


/* trimming data */
update mmt_staging2.stg_specific_table_IHTEMT_STD set column1 =  TRIM (TRAILING FROM column1 );
update mmt_staging2.stg_specific_table_IHTEMT_STD set column1 =  TRIM (LEADING FROM column1 );

update mmt_ods.mmt_config set F1_modified =  TRIM (TRAILING FROM F1_modified) ;
update mmt_ods.mmt_config set F1_modified =  TRIM (LEADING FROM F1_modified) ;
update mmt_ods.mmt_config set F1_source=F1_modified ;
update mmt_ods.mmt_config set F1_source =  TRIM (TRAILING FROM F1_source);
update mmt_ods.mmt_config set F1_source =  TRIM (LEADING FROM F1_source);

/* keyword match in config table*/
execute 'update mmt_ods.mmt_config a  
set row_number_start=(select min(b.row_number)
from mmt_staging2.stg_specific_table_IHTEMT_STD  b
where trim(upper(F1_modified))=trim(upper(column1))
and b.is_rownumber_fetched is null)
where a.row_number_start is null
and a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

/* reverese update in process table for match*/
execute 'update mmt_staging2.stg_specific_table_IHTEMT_STD  a  
set is_rownumber_fetched=1
from mmt_ods.mmt_config  b
where trim(upper(F1_modified))=trim(upper(column1))
and b.row_number_start=a.row_number
and is_rownumber_fetched is null
and a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

execute 'update mmt_ods.mmt_config a set row_previous_number=row_number_start-1
where a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

/*  update config files for row numbers start, end */
execute 'update mmt_ods.mmt_config a
set row_read_end= (select b.row_number_start
from mmt_ods.mmt_config b 
where b.syspk=a.syspk+1 and file_format='''||p_file_format||''' and sheet_mnemonic='''||p_sheet_mnemonic||''' ) 
where a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

/* config file last field update as null otherwise it picks up next format row number*/
execute 'update mmt_ods.mmt_config a 
set row_read_end = null ,run_time=current_timestamp
where f1_modified =''Steering effort RAW data'' 
and a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

/* tagging ranks*/
execute 'insert into mmt_staging2.stg_process_table_IHTEMT_STD
select a.* , RANK () OVER ( ORDER BY row_number) as rank,b.rank_tag as rank_tag
from  mmt_staging2.stg_specific_table_IHTEMT_STD  a
join mmt_ods.mmt_config b 
on a.row_number >=row_number_start 
and (a.row_number< row_read_end or row_read_end is null)
and f1_modified=''Steering effort RAW data''
and  b.file_format='''||p_file_format||''' and b.sheet_mnemonic='''||p_sheet_mnemonic||'''';


/*block starts - IHTEMT_STD_H1_BLOCK */

perform mmt_staging2.fn_jobctrl_block_begin(__client_id,__function_id,__file_syspk,
'IHTEMT_STD_RAW_Data_Block',__file_format,__sheet_mnemonic,1);

v_block:='IHTEMT_STD_RAW_Data_Block';
insert into mmt_staging2.IHTEMT_STD_RAW_Data_Block (Time_s,Steering_Angle,Effort,rank)
select a.column1,column2,column3,rank from  mmt_staging2.stg_process_table_IHTEMT_STD a 
where rank_tag='IHTEMT_STD_RAW_Data';


execute 'update   mmt_staging2.IHTEMT_STD_RAW_Data_Block set
client_id='||p_client_id||',
function_id='||p_function_id||',
file_syspk='||p_file_syspk||',
file_format='''||p_file_format||''',
sheet_mnemonic='''||p_sheet_mnemonic||'''';

update mmt_staging2.IHTEMT_STD_RAW_Data_Block set ods_record =0 where rank in (1,2,3);

perform mmt_staging2.fn_jobctrl_block_end(__file_syspk,'IHTEMT_STD_RAW_Data_Block'); 
v_context := '';
perform  mmt_staging2.mmt_insert_db_error ( __client_id, __function_id, 1001, 'Compegence', __file_syspk ,__file_format,__sheet_mnemonic ,null,'stg2', 'fn_IHTEMT_STD_Block', v_state, v_msg, v_detail, v_hint, v_context,'success');
return v_context;	
EXCEPTION when OTHERS then 
	
GET STACKED DIAGNOSTICS 
       v_state   = returned_sqlstate,
       v_msg     = message_text,
       v_detail  = pg_exception_detail,
       v_hint    = pg_exception_hint,
       v_context = pg_exception_context;

	   perform  mmt_staging2.mmt_insert_db_error ( __client_id, __function_id, 1001, 'Compegence', __file_syspk ,__file_format,__sheet_mnemonic ,v_block,'stg2', 'fn_IHTEMT_STD_Block', v_state, v_msg, v_detail, v_hint, v_context,'error');
	  return v_context;
end
$$ LANGUAGE plpgsql;

select mmt_staging2.fn_IHTEMT_STD_block(20,1,'IHTEMT','IHTEMT_STD',888);

