{-# LANGUAGE OverloadedRecordDot #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE OverloadedStrings #-}

module RiskWeaver.Cmd.Core where

import Control.Monad
import Data.ByteString qualified as BS
import Data.FileEmbed (embedFile)
import Data.Text qualified as T
import Options.Applicative
import RiskWeaver.Display
import RiskWeaver.Format.Coco
import Data.Text qualified as T
import Data.Text.Encoding qualified as T

data CocoCommand
  = ListImages {cocoFile :: FilePath}
  | ListCategories {cocoFile :: FilePath}
  | ListAnnotations {cocoFile :: FilePath}
  | ListCocoResult {cocoResultFile :: FilePath}
  | ShowImage
      { cocoFile :: FilePath,
        imageFile :: FilePath,
        enableBoundingBox :: Bool
      }
  | ShowDetectionImage
      { cocoFile :: FilePath,
        cocoResultFile :: FilePath,
        imageFile :: FilePath,
        iouThreshold :: Maybe Double,
        scoreThreshold :: Maybe Double
      }
  | Evaluate
      { cocoFile :: FilePath,
        cocoResultFile :: FilePath,
        iouThreshold :: Maybe Double,
        scoreThreshold :: Maybe Double
      }
  | ShowRisk
      { cocoFile :: FilePath,
        cocoResultFile :: FilePath,
        iouThreshold :: Maybe Double,
        scoreThreshold :: Maybe Double
      }
  | ShowRiskWithError
      { cocoFile :: FilePath,
        cocoResultFile :: FilePath,
        iouThreshold :: Maybe Double,
        scoreThreshold :: Maybe Double
      }
  | GenerateRiskWeightedDataset
      { cocoFile :: FilePath,
        cocoResultFile :: FilePath,
        cocoOutputFile :: FilePath,
        iouThreshold :: Maybe Double,
        scoreThreshold :: Maybe Double
      }
  | BashCompletion
  | GenerateTemplate
  deriving (Show, Eq)

data RiskCommands = RiskCommands
  { showRisk :: CocoMap -> Maybe Double -> Maybe Double -> IO (),
    showRiskWithError :: CocoMap -> Maybe Double -> Maybe Double -> IO (),
    generateRiskWeightedDataset :: CocoMap -> FilePath -> Maybe Double -> Maybe Double -> IO (),
    showDetectionImage :: CocoMap -> FilePath -> Maybe Double -> Maybe Double -> IO (),
    evaluate :: CocoMap -> Maybe Double -> Maybe Double -> IO ()
  }

listImages :: Coco -> IO ()
listImages coco = do
  putStrLn "-- list images --"
  -- first column is image id
  -- second column is image file name
  -- third column is image width
  -- fourth column is image height
  -- fifth column is image license
  -- sixth column is image date captured
  putStrLn "id\tfile_name\twidth\theight\tlicense\tdate_captured"
  forM_ (cocoImages coco) $ \CocoImage {..} -> do
    putStrLn $ show (unImageId cocoImageId) ++ "\t" ++ T.unpack cocoImageFileName ++ "\t" ++ show cocoImageWidth ++ "\t" ++ show cocoImageHeight ++ "\t" ++ show cocoImageLicense ++ "\t" ++ show cocoImageDateCoco

listCategories :: Coco -> IO ()
listCategories coco = do
  putStrLn "-- list categories --"
  -- first column is category id
  -- second column is category name
  -- third column is category supercategory
  putStrLn "id\tname\tsupercategory"
  forM_ (cocoCategories coco) $ \CocoCategory {..} -> do
    putStrLn $ show cocoCategoryId ++ "\t" ++ T.unpack cocoCategoryName ++ "\t" ++ T.unpack cocoCategorySupercategory

listAnnotations :: Coco -> IO ()
listAnnotations coco = do
  putStrLn "-- list annotations --"
  -- first column is annotation id
  -- second column is annotation image id
  -- third column is annotation category id
  -- fourth column is annotation segmentation
  -- fifth column is annotation area
  -- sixth column is annotation bbox
  -- seventh column is annotation iscrowd
  putStrLn "id\timage_id\tcategory_id\tsegmentation\tarea\tbbox\tiscrowd"
  forM_ (cocoAnnotations coco) $ \CocoAnnotation {..} -> do
    putStrLn $ show cocoAnnotationId ++ "\t" ++ show cocoAnnotationImageId ++ "\t" ++ show cocoAnnotationCategory ++ "\t" ++ show cocoAnnotationSegment ++ "\t" ++ show cocoAnnotationArea ++ "\t" ++ show cocoAnnotationBbox ++ "\t" ++ show cocoAnnotationIsCrowd

listCocoResult :: [CocoResult] -> IO ()
listCocoResult cocoResults = do
  putStrLn "-- list coco result --"
  -- first column is image id
  -- second column is category id
  -- third column is score
  -- fourth column is bbox
  putStrLn "image_id\tcategory_id\tscore\tbbox"
  forM_ cocoResults $ \cocoResult -> do
    putStrLn $ show (cocoResultImageId cocoResult) ++ "\t" ++ show (cocoResultCategory cocoResult) ++ "\t" ++ show (cocoResultScore cocoResult) ++ "\t" ++ show (cocoResultBbox cocoResult)

bashCompletion :: IO ()
bashCompletion = do
  -- Read from bash_completion.d/risk-weaver-exe and write to stdout
  -- Inline the file content by tepmlate haskell
  let file = $(embedFile "bash_completion.d/risk-weaver-exe")
  BS.putStr file

-- | Generate template codes to define own risk environment from BDD.
generateTemplate :: IO ()
generateTemplate = do
  -- Read from bash_completion.d/risk-weaver-exe and write to stdout
  -- Inline the file content by tepmlate haskell
  let orgDslFile = $(embedFile "src/RiskWeaver/DSL/BDD.hs")
      orgCmdFile = $(embedFile "src/RiskWeaver/Cmd/BDD.hs")
      mainLine = "main = baseMain bddCommand\n"
      mergedFile = orgDslFile <> orgCmdFile <> mainLine
      extraceLangExtFromMergedFile = -- Extract all '{-# LANGUAGE .. #-}' lines
        let langExts = T.unlines $ filter (T.isPrefixOf "{-# LANGUAGE") $ T.lines $ T.decodeUtf8 mergedFile
         in T.encodeUtf8 langExts
      extractImportLines = -- Extract all 'import ..' lines
        let importLines = T.unlines $ filter (T.isPrefixOf "import") $ T.lines $ T.decodeUtf8 mergedFile
         in T.encodeUtf8 importLines
      removeModuleAndLangExtAndImport = -- Remove module and language extension and import lines
        let removedModule = T.unlines $ filter (not . T.isPrefixOf "module") $ T.lines $ T.decodeUtf8 mergedFile
            removedLangExt = T.unlines $ filter (not . T.isPrefixOf "{-# LANGUAGE") $ T.lines removedModule
            removedImport = T.unlines $ filter (not . T.isPrefixOf "import") $ T.lines removedLangExt
         in T.encodeUtf8 removedImport
      output = -- Concat all of them(extraceLangExtFromMergedFile, extractImportLines, removeModuleAndLangExtAndImport)
        extraceLangExtFromMergedFile <> "\n" <> extractImportLines <> "\n" <> removeModuleAndLangExtAndImport
  BS.putStr output


opts :: Parser CocoCommand
opts =
  subparser
    ( command "list-images" (info (ListImages <$> argument str (metavar "FILE")) (progDesc "list all images of coco file"))
        <> command "list-categories" (info (ListCategories <$> argument str (metavar "FILE")) (progDesc "list all categories of coco file"))
        <> command "list-annotations" (info (ListAnnotations <$> argument str (metavar "FILE")) (progDesc "list all annotations of coco file"))
        <> command "list-coco-result" (info (ListCocoResult <$> argument str (metavar "FILE")) (progDesc "list all coco result"))
        <> command "show-image" (info (ShowImage <$> argument str (metavar "FILE") <*> argument str (metavar "IMAGE_FILE") <*> switch (long "enable-bounding-box" <> short 'b' <> help "enable bounding box")) (progDesc "show image by sixel"))
        <> command "show-detection-image" (info (ShowDetectionImage <$> argument str (metavar "FILE") <*> argument str (metavar "RESULT_FILE") <*> argument str (metavar "IMAGE_FILE") <*> optional (option auto (long "iou-threshold" <> short 'i' <> help "iou threshold")) <*> optional (option auto (long "score-threshold" <> short 's' <> help "score threshold"))) (progDesc "show detection image by sixel"))
        <> command "evaluate" (info (Evaluate <$> argument str (metavar "FILE") <*> argument str (metavar "RESULT_FILE") <*> optional (option auto (long "iou-threshold" <> short 'i' <> help "iou threshold")) <*> optional (option auto (long "score-threshold" <> short 's' <> help "score threshold"))) (progDesc "evaluate coco result"))
        <> command "show-risk" (info (ShowRisk <$> argument str (metavar "FILE") <*> argument str (metavar "RESULT_FILE") <*> optional (option auto (long "iou-threshold" <> short 'i' <> help "iou threshold")) <*> optional (option auto (long "score-threshold" <> short 's' <> help "score threshold"))) (progDesc "show risk"))
        <> command "show-risk-with-error" (info (ShowRiskWithError <$> argument str (metavar "FILE") <*> argument str (metavar "RESULT_FILE") <*> optional (option auto (long "iou-threshold" <> short 'i' <> help "iou threshold")) <*> optional (option auto (long "score-threshold" <> short 's' <> help "score threshold"))) (progDesc "show risk with error"))
        <> command "generate-risk-weighted-dataset" (info (GenerateRiskWeightedDataset <$> argument str (metavar "FILE") <*> argument str (metavar "RESULT_FILE") <*> argument str (metavar "OUTPUT_FILE") <*> optional (option auto (long "iou-threshold" <> short 'i' <> help "iou threshold")) <*> optional (option auto (long "score-threshold" <> short 's' <> help "score threshold"))) (progDesc "generate risk weighted dataset"))
        <> command "bash-completion" (info (pure BashCompletion) (progDesc "bash completion"))
        <> command "generate-template" (info (pure GenerateTemplate) (progDesc "generate template"))
    )

baseMain :: RiskCommands -> IO ()
baseMain hook = do
  parsedCommand <- customExecParser (prefs showHelpOnEmpty) (info (helper <*> opts) (fullDesc <> progDesc "coco command line tool"))

  case parsedCommand of
    BashCompletion -> bashCompletion
    ListImages cocoFile -> do
      coco <- readCoco cocoFile
      listImages coco
    ListCategories cocoFile -> do
      coco <- readCoco cocoFile
      listCategories coco
    ListAnnotations cocoFile -> do
      coco <- readCoco cocoFile
      listAnnotations coco
    ListCocoResult cocoResultFile -> do
      cocoResult <- readCocoResult cocoResultFile
      listCocoResult cocoResult
    ShowImage cocoFile imageFile enableBoundingBox -> do
      coco <- readCoco cocoFile
      showImage coco cocoFile imageFile enableBoundingBox
    ShowDetectionImage cocoFile cocoResultFile imageFile iouThreshold scoreThreshold -> do
      cocoMap <- readCocoMap cocoFile cocoResultFile
      hook.showDetectionImage cocoMap imageFile iouThreshold scoreThreshold
    Evaluate cocoFile cocoResultFile iouThreshold scoreThreshold -> do
      cocoMap <- readCocoMap cocoFile cocoResultFile
      hook.evaluate cocoMap iouThreshold scoreThreshold
    ShowRisk cocoFile cocoResultFile iouThreshold scoreThreshold -> do
      cocoMap <- readCocoMap cocoFile cocoResultFile
      hook.showRisk cocoMap iouThreshold scoreThreshold
    ShowRiskWithError cocoFile cocoResultFile iouThreshold scoreThreshold -> do
      cocoMap <- readCocoMap cocoFile cocoResultFile
      hook.showRiskWithError cocoMap iouThreshold scoreThreshold
    GenerateRiskWeightedDataset cocoFile cocoResultFile cocoOutputFile iouThreshold scoreThreshold -> do
      cocoMap <- readCocoMap cocoFile cocoResultFile
      hook.generateRiskWeightedDataset cocoMap cocoOutputFile iouThreshold scoreThreshold
    GenerateTemplate -> generateTemplate