@echo off
setlocal EnableExtensions DisableDelayedExpansion

if "%~1"=="" goto :usage
if "%~2"=="" goto :usage
if "%~3"=="" goto :usage
if "%~4"=="" goto :usage
if "%~5"=="" goto :usage
if "%~6"=="" goto :usage

set "REPO_ROOT=%~f1"
set "SQL_SERVER=%~2"
set "DATABASE=%~3"
set "START_UTC=%~4"
set "OUTPUT_DIR=%~f5"
set "LOG_DIR=%~f6"
set "SQL_FILE=%~dp0shadow-v3-export.sql"
set "WAREHOUSE_ID=%FORTUCKY_ALGORITHM_WAREHOUSE_ID%"
if not defined WAREHOUSE_ID set "WAREHOUSE_ID=01"
if "%WAREHOUSE_ID%"=="1" set "WAREHOUSE_ID=01"
rem FORTUCKY_SHADOW_ variables are collected by the FORTUCKY_ prefix scan below.

if not "%WAREHOUSE_ID%"=="01" (call :fail "FORTUCKY_ALGORITHM_WAREHOUSE_ID must be 01" & exit /b 1)
if not exist "%REPO_ROOT%\.git" (call :fail "REPO_ROOT is not a Git repository" & exit /b 1)
if not exist "%LOG_DIR%" (call :fail "LOG_DIR does not exist" & exit /b 1)
if not exist "%SQL_FILE%" (call :fail "export SQL file is missing" & exit /b 1)
where git >nul 2>nul
if errorlevel 1 (call :fail "git is not available on PATH" & exit /b 1)
where jps >nul 2>nul
if errorlevel 1 (call :fail "jps is not available on PATH" & exit /b 1)
where sqlcmd >nul 2>nul
if errorlevel 1 (call :fail "sqlcmd is not available on PATH" & exit /b 1)

if exist "%OUTPUT_DIR%" (
  dir /a /b "%OUTPUT_DIR%" >nul 2>nul
  if not errorlevel 1 (call :fail "OUTPUT_DIR already exists and is not empty" & exit /b 1)
) else (
  mkdir "%OUTPUT_DIR%"
  if errorlevel 1 (call :fail "cannot create OUTPUT_DIR" & exit /b 1)
)

pushd "%REPO_ROOT%" >nul
if errorlevel 1 (call :fail "cannot enter REPO_ROOT" & exit /b 1)
(
  echo export_started_utc=%DATE% %TIME%
  echo expected_branch=test/ft546wms-shadow-v3-20260903
  git branch --show-current
  git rev-parse HEAD
  git status --porcelain
) > "%OUTPUT_DIR%\deployment.txt" 2>&1
if errorlevel 1 (call :fail "cannot collect Git deployment evidence" & exit /b 1)
popd >nul

jps -lv > "%OUTPUT_DIR%\runtime-processes.txt" 2>&1
if errorlevel 1 (call :fail "cannot collect JVM process evidence" & exit /b 1)

(
  for /f "tokens=1 delims==" %%E in ('set FORTUCKY_ 2^>nul') do echo %%E
) > "%OUTPUT_DIR%\environment-variable-names.txt"
if errorlevel 1 (call :fail "cannot collect environment variable evidence" & exit /b 1)
call :require_output "environment-variable-names.txt"
if errorlevel 1 exit /b 1

sqlcmd -S "%SQL_SERVER%" -d "%DATABASE%" -E -b -r1 -w 65535 -y 0 -Y 0 -v WarehouseId="%WAREHOUSE_ID%" StartUtc="%START_UTC%" OutputDir="%OUTPUT_DIR%" -i "%SQL_FILE%"
if errorlevel 1 (call :fail "read-only SQL export failed" & exit /b 1)

set "LOG_CANDIDATE="
for /f "delims=" %%L in ('dir /s /b "%LOG_DIR%\*.log" "%LOG_DIR%\*.txt" 2^>nul') do set "LOG_CANDIDATE=%%L"
if not defined LOG_CANDIDATE (call :fail "LOG_DIR has no readable .log or .txt candidate" & exit /b 1)
findstr /S /I /N /C:"shadow_failure" "%LOG_DIR%\*.log" "%LOG_DIR%\*.txt" > "%OUTPUT_DIR%\shadow-warnings.txt" 2>nul
if errorlevel 2 (call :fail "cannot read log sources" & exit /b 1)

call :require_output "sql-diagnostics.txt"
if errorlevel 1 exit /b 1
call :require_output "comparison-detail.txt"
if errorlevel 1 exit /b 1
call :require_output "runtime-metrics.txt"
if errorlevel 1 exit /b 1
call :require_output "inventory-parity.txt"
if errorlevel 1 exit /b 1
call :require_output "shadow-warnings.txt"
if errorlevel 1 exit /b 1

echo EXPORT_OK output=%OUTPUT_DIR%
exit /b 0

:require_output
if not exist "%OUTPUT_DIR%\%~1" (call :fail "expected export file is missing" & exit /b 1)
exit /b 0

:usage
echo Usage: %~nx0 REPO_ROOT SQL_SERVER DATABASE START_UTC OUTPUT_DIR LOG_DIR 1>&2
exit /b 2

:fail
echo EXPORT_FAILED %~1 1>&2
popd >nul 2>nul
exit /b 1