#!/usr/bin/env bash

set -euo pipefail

SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
PROJECT_ROOT=$(cd "$SCRIPT_DIR/.." && pwd)
ASSET_ROOT="$PROJECT_ROOT/Assets"
PATH_FILE="$SCRIPT_DIR/path.txt"
LUBAN_DLL="$SCRIPT_DIR/Tools/Luban/Luban.dll"
CONF_FILE="$SCRIPT_DIR/luban.conf"
CUSTOM_TEMPLATE_DIR="$SCRIPT_DIR/CustomTemplates"

if [[ ! -f "$PATH_FILE" ]]; then
    echo "[ERROR] Missing output path file: $PATH_FILE" >&2
    exit 1
fi

if [[ ! -f "$LUBAN_DLL" ]]; then
    echo "[ERROR] Missing Luban executable: $LUBAN_DLL" >&2
    exit 1
fi

path_content=$(head -n 1 "$PATH_FILE")
path_content=${path_content%$'\r'}

if [[ -z "$path_content" ]]; then
    echo "[ERROR] path.txt must contain a non-empty output directory." >&2
    exit 1
fi

output_root_input=${LUBAN_OUTPUT_ROOT:-$path_content}
if [[ "$output_root_input" = /* ]]; then
    OUTPUT_ROOT=$output_root_input
else
    OUTPUT_ROOT="$SCRIPT_DIR/$output_root_input"
fi

mkdir -p "$OUTPUT_ROOT"
OUTPUT_ROOT=$(cd "$OUTPUT_ROOT" && pwd)

PATH_GEN_CSHARP="$OUTPUT_ROOT/CSharp"
PATH_DATA_JSON="$OUTPUT_ROOT/Json"
PATH_DATA_BIN="$OUTPUT_ROOT/Bin"

mkdir -p "$PATH_GEN_CSHARP" "$PATH_DATA_JSON" "$PATH_DATA_BIN"

echo "[INFO] Project root: $PROJECT_ROOT"
echo "[INFO] C# output:   $PATH_GEN_CSHARP"
echo "[INFO] JSON output: $PATH_DATA_JSON"
echo "[INFO] Bin output:  $PATH_DATA_BIN"

dotnet "$LUBAN_DLL" \
    -t client \
    -c cs-bin \
    -d json \
    -d bin \
    --conf "$CONF_FILE" \
    --customTemplateDir "$CUSTOM_TEMPLATE_DIR" \
    -x "cs-bin.outputCodeDir=$PATH_GEN_CSHARP" \
    -x "json.outputDataDir=$PATH_DATA_JSON" \
    -x "bin.outputDataDir=$PATH_DATA_BIN" \
    -x "pathValidator.rootDir=$ASSET_ROOT"

echo "[INFO] Luban export completed."