drop function if exists staging2.fn_IHTEMT_STD_block;
CREATE OR REPLACE FUNCTION staging2.fn_IHTEMT_STD_block(p_client_id int,p_function_id int, p_file_mnemonic text,p_file_sheet_mnemonic text, p_file_syspk int)
 RETURNS void
 LANGUAGE plpgsql
AS $function$
   declare __make text;
   declare __model text;
   
   declare __client_id int :=p_client_id;
   declare __function_id int :=p_function_id;
   declare __file_mnemonic text  :=p_file_mnemonic;
   declare __file_sheet_mnemonic text :=p_file_sheet_mnemonic;
   declare __file_syspk int :=p_file_syspk;
   declare err_state   text;
   declare err_msg     text;
   declare err_detail  text;
   declare err_hint    text;
   declare err_context text;   
   declare err_query int;
   declare err_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 staging2.fn_IHTEMT_STD_block(p_client_id,p_function_id, p_file_mnemonic,
p_file_sheet_mnemonic, p_file_syspk)
Function call ex: select staging2.fn_IHTEMT_STD_block(1,2,'IHTEMT','IHTEMT_STD',456)
***************************************************************/


SET search_path TO  staging2;

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

truncate table staging2.IHTEMT_STD_RAW_Data_Block;
truncate table staging2.stg_specific_table_IHTEMT_STD;
truncate table staging2.stg_process_table_IHTEMT_STD;


execute 'delete from fw_core.fw_jobctl_file_sheet_block_run_schedule where file_syspk='||p_file_syspk||' and file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';


execute 'update transactional.source_config a
set row_number_start=null,
row_previous_number=null,
row_read_end=null,
run_time=null
where   a.file_mnemonic='''||p_file_mnemonic||''' and a.file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';

/* transfer data from generic to specific for IHTEMT */
execute 'insert into  staging2.stg_specific_table_IHTEMT_STD 
select * from staging1.staging_generic_table a
where   a.file_mnemonic='''||p_file_mnemonic||''' and a.file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''
and a.file_syspk='||p_file_syspk||'';

select count(*) into err_query from staging2.stg_specific_table_IHTEMT_STD;

if err_query=0 then
err_context := 'data not present';
	raise exception using 
	      message = 'No Data for IHTEMT STD',
          detail = 'No data in table stg_specific_table_IHTEMT_STD',  
          errcode = '42704', 
          hint = 'check sheet mnemonic in generic table, if it is null update it';
end if;	

update transactional.source_config set F1_source=F1_modified ;


/* keyword match in config table*/
execute 'update transactional.source_config a  
set row_number_start=(select min(b.row_number)
from staging2.stg_specific_table_IHTEMT_STD  b
where upper(F1_modified)=upper(column1)
and b.is_rownumber_fetched is null)
where a.row_number_start is null
and a.file_mnemonic='''||p_file_mnemonic||''' and a.file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';

/* reverese update in process table for match*/
execute 'update staging2.stg_specific_table_IHTEMT_STD  a  
set is_rownumber_fetched=1
from transactional.source_config  b
where upper(F1_modified)=upper(column1)
and b.row_number_start=a.row_number
and is_rownumber_fetched is null
and a.file_mnemonic='''||p_file_mnemonic||''' and a.file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';

execute 'update transactional.source_config a set row_previous_number=row_number_start-1
where a.file_mnemonic='''||p_file_mnemonic||''' and a.file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';

/*  update config files for row numbers start, end */
execute 'update transactional.source_config a
set row_read_end= (select b.row_number_start
from transactional.source_config b 
where b.syspk=a.syspk+1 and file_mnemonic='''||p_file_mnemonic||''' and file_sheet_mnemonic='''||p_file_sheet_mnemonic||''' ) 
where a.file_mnemonic='''||p_file_mnemonic||''' and a.file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';

/* config file last field update as null otherwise it picks up next format row number*/
execute 'update transactional.source_config a 
set row_read_end = null ,run_time=current_timestamp
where f1_modified =''Steering effort RAW data'' 
and a.file_mnemonic='''||p_file_mnemonic||''' and a.file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';

/* tagging block_row_numbers*/
execute 'insert into staging2.stg_process_table_IHTEMT_STD
select a.* , RANK () OVER ( ORDER BY row_number) as block_row_number,b.block_tag as block_tag
from  staging2.stg_specific_table_IHTEMT_STD  a
join transactional.source_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_mnemonic='''||p_file_mnemonic||''' and b.file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';


/*block starts - IHTEMT_STD_H1_BLOCK */

perform fw_core.fn_jobctl_block_begin(__client_id,__function_id,__file_syspk,
'IHTEMT_STD_RAW_Data_Block',__file_mnemonic,__file_sheet_mnemonic,1);

err_block:='IHTEMT_STD_RAW_Data_Block';
insert into staging2.IHTEMT_STD_RAW_Data_Block (time_s,Steering_Angle,Effort,block_row_number)
select a.column1,column2,column3,block_row_number from  staging2.stg_process_table_IHTEMT_STD a 
where block_tag='IHTEMT_STD_RAW_Data';


execute 'update   staging2.IHTEMT_STD_RAW_Data_Block set
client_id='||p_client_id||',
function_id='||p_function_id||',
file_syspk='||p_file_syspk||',
file_mnemonic='''||p_file_mnemonic||''',
file_sheet_mnemonic='''||p_file_sheet_mnemonic||'''';

update staging2.IHTEMT_STD_RAW_Data_Block set trx_record =0 where block_row_number in (1,2,3);

perform fw_core.fn_jobctl_block_end(__file_syspk,'IHTEMT_STD_RAW_Data_Block'); 
perform  fw_core.fn_insert_db_error ( __client_id, __function_id, 1001, 'Compegence', __file_syspk ,__file_mnemonic,__file_sheet_mnemonic ,null,'stg2', 'fn_IHTEMT_STD_block', err_state, err_msg, err_detail, err_hint, err_context,'success');

end
$function$
;