#!/usr/bin/env bash

export REDIR_FILE="/dev/stderr"
export PYTHONHASHSEED=0

SCRIPT_SRC="$(realpath ${BASH_SOURCE[0]})"
SCRIPT_DIR="$(dirname "${SCRIPT_SRC}")"

source $SCRIPT_DIR/common.sh

if [ -z "$INPUT_DIRECTORY" ]; then
	if [ ! -z "$1" ]; then
		INPUT_DIRECTORY=$1
	else
		msg "No \$INPUT_DIRECTORY set or argument given."
		exit 1
	fi
fi
if [ -z "$OUTPUT_DIRECTORY" ]; then
	if [ ! -z "$2" ]; then
		OUTPUT_DIRECTORY=$2
	else
		msg "No \$OUTPUT_DIRECTORY set or argument given."
		exit 1
	fi
fi

TEMP_DIR=$(realpath ../tempdir-openram)
if [ -d "$TEMP_DIR" ]; then
	msg "Temp directory exists!"
	exit 1
fi

mkdir -p $TEMP_DIR

rm -rf $OUTPUT_DIRECTORY/libraries
mkdir $OUTPUT_DIRECTORY/libraries

# Copy accross the template files
msg "Copying template files."
$SCRIPT_DIR/template-files.py $INPUT_DIRECTORY $OUTPUT_DIRECTORY $TEMP_DIR ; RETCODE=$?
if [ "$RETCODE" -ne 0 ]; then
	msg "Error: Failed to copy template files!?"
	exit 1
else
	msg "Successfully copied template files."
fi

# Copy accross the template files
#msg "Copying tlef files."
#$SCRIPT_DIR/tlef.py $INPUT_DIRECTORY $OUTPUT_DIRECTORY $TEMP_DIR ; RETCODE=$?
#if [ "$RETCODE" -ne 0 ]; then
#	msg "Error: Failed to copy tlef files!?"
#	exit 1
#else
#	msg "Successfully copied tlef files."
#fi

# Split apart LIB files
#msg "Splitting existing LIB files."
#$SCRIPT_DIR/liberty_rewrite.sh $INPUT_DIRECTORY $OUTPUT_DIRECTORY $TEMP_DIR ; RETCODE=$?
#if [ "$RETCODE" -ne 0 ]; then
#	msg "Error: Failed to rewrite Liberty JSON files!?"
#	exit 1
#else
#	msg "Successfully rewrote Liberty JSON files."
#fi


# Split apart LEF files first
#msg "Splitting existing LEF files."
#find $INPUT_DIRECTORY -name \*.lef -print \
#	| parallel -v $SCRIPT_DIR/lef_rewrite.py \{\} $OUTPUT_DIRECTORY $TEMP_DIR \
#	; RETCODE=$?
#if [ "$RETCODE" -ne 0 ]; then
#	msg "Error: Failed to split LEF files!?"
#	exit 1
#else
#	msg "Successfully split LEF files."
#fi

# Split apart the CDL files into netlist.csv files
#msg "Splitting CDL into CSV files."
#$SCRIPT_DIR/cdl_rewrite.py $INPUT_DIRECTORY $OUTPUT_DIRECTORY $TEMP_DIR ; RETCODE=$?
#if [ "$RETCODE" -ne 0 ]; then
#	msg "Error: Failed to split CDL files into CSV files!?"
#	exit 1
#else
#	msg "Successfully split CDL files into CSV files."
#fi

# Convert the netlist.csv files to .cdl file
#$SCRIPT_DIR/netlist-csv2cdl.py $OUTPUT_DIRECTORY ; RETCODE=$?
#if [ "$RETCODE" -ne 0 ]; then
#	msg "Error: Failed to convert netlist.csv into CDL files!?"
#	exit 1
#else
#	msg "Successfully converted netlist.csv into CDL files."
#fi

# Split apart the GDS files
# Depends on CDL and LEF
msg "Splitting GDS files."

find $INPUT_DIRECTORY -name \*.gds -print | sed -e's-gds/.*$--' | sort | uniq \
	| parallel -v $SCRIPT_DIR/gds_to_lef_gds_mag.py \{\} $OUTPUT_DIRECTORY $INPUT_DIRECTORY/sky130A.tech $TEMP_DIR \
	; RETCODE=$?
if [ "$RETCODE" -ne 0 ]; then
	msg "Error: Failed to split GDS files!?"
	exit 1
else
	msg "Successfully split GDS files."
fi

$SCRIPT_DIR/gds-preview.sh $INPUT_DIRECTORY $OUTPUT_DIRECTORY $TEMP_DIR || exit 1

# Convert the verilog files
#msg "Splitting Verilog files."
#$SCRIPT_DIR/verilog_split.py $INPUT_DIRECTORY $OUTPUT_DIRECTORY $TEMP_DIR ; RETCODE=$?
#if [ "$RETCODE" -ne 0 ]; then
#	msg "Error: Failed to split Verilog files!?"
#	exit 1
#else
#	msg "Successfully split Verilog files."
#fi

# Generate the blackbox verilog files
#msg "Generating blackbox Verilog model files."
#$SCRIPT_DIR/generate_verilog_blackbox.py $OUTPUT_DIRECTORY/skywater-pdk/libraries/*/*/models/* ; RETCODE=$?
#if [ "$RETCODE" -ne 0 ]; then
#	msg "Error: Failed to generate blackbox Verilog model files!?"
#	exit 1
#else
#	msg "Successfully generated blackbox Verilog model files."
#fi
#msg "Generating blackbox Verilog cell files."
#$SCRIPT_DIR/generate_verilog_blackbox.py $OUTPUT_DIRECTORY/skywater-pdk/libraries/*/*/cells/* ; RETCODE=$?
#if [ "$RETCODE" -ne 0 ]; then
#	msg "Error: Failed to generate blackbox Verilog cell files!?"
#	exit 1
#else
#	msg "Successfully generated blackbox Verilog cell files."
#fi

# Generate the .svg symbol images
#$SCRIPT_DIR/symbols.sh $OUTPUT_DIRECTORY || exit 1

# Generate the .svg schematic images
#$SCRIPT_DIR/schematics.sh $OUTPUT_DIRECTORY || exit 1

# Remove the .pins files
find $OUTPUT_DIRECTORY -name *.pins -delete

# FIXME: Copy across the "tech" files needed for openram
# FIXME: Copy across the macros directory and rebuilt the macros.

# Output the status.
export DESCRIBE=$(git describe)
git describe > $OUTPUT_DIRECTORY/build-tool-version

git describe
git diff HEAD

msg "Doing git operations."
(
	cd $OUTPUT_DIRECTORY
	git add -A
	git diff HEAD --stat
	git commit -m"Built based on $DESCRIBE"
	git push origin master:"ram-$DESCRIBE"
)
msg "Finished git operations."

msg "FINISHED: Build completed successfully @ $(date) using $(git describe)."