#!/bin/bash
# -*- coding: utf-8 -*-
# Test file for: process_diff.sh

THIS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROOT_DIR="$(realpath "$THIS_DIR/../..")"

# Test counter
TESTS_RUN=0
TESTS_PASSED=0
TESTS_FAILED=0

# Colors
GREEN='\033[0;32m'
RED='\033[0;31m'
NC='\033[0m'

assert_success() {
    local cmd="$1"
    local desc="${2:-$cmd}"
    ((TESTS_RUN++))
    if eval "$cmd" > /dev/null 2>&1; then
        echo -e "${GREEN}✓${NC} $desc"
        ((TESTS_PASSED++))
    else
        echo -e "${RED}✗${NC} $desc"
        ((TESTS_FAILED++))
    fi
}

assert_file_exists() {
    local file="$1"
    ((TESTS_RUN++))
    if [ -f "$file" ]; then
        echo -e "${GREEN}✓${NC} File exists: $file"
        ((TESTS_PASSED++))
    else
        echo -e "${RED}✗${NC} File missing: $file"
        ((TESTS_FAILED++))
    fi
}

# Add your tests here
test_placeholder() {
    echo "TODO: Add tests for process_diff.sh"
}

# Run tests
main() {
    echo "Testing: process_diff.sh"
    echo "========================================"

    test_placeholder

    echo "========================================"
    echo "Results: $TESTS_PASSED/$TESTS_RUN passed"
    [ $TESTS_FAILED -gt 0 ] && exit 1
    exit 0
}

main "$@"

# --------------------------------------------------------------------------------
# Start of Source Code from: /home/ywatanabe/proj/scitex-writer/scripts/shell/modules/process_diff.sh
# --------------------------------------------------------------------------------
# #!/bin/bash
# # -*- coding: utf-8 -*-
# # Timestamp: "2025-11-12 00:06:30 (ywatanabe)"
# # File: ./scripts/shell/modules/process_diff.sh
# 
# ORIG_DIR="$(pwd)"
# THIS_DIR="$(cd $(dirname ${BASH_SOURCE[0]}) && pwd)"
# # Save engines directory path BEFORE load_config.sh changes directory
# ENGINES_DIR="${THIS_DIR}/engines"
# LOG_PATH="$THIS_DIR/.$(basename $0).log"
# echo > "$LOG_PATH"
# 
# GIT_ROOT="$(git rev-parse --show-toplevel 2>/dev/null)"
# 
# GRAY='\033[0;90m'
# GREEN='\033[0;32m'
# YELLOW='\033[0;33m'
# RED='\033[0;31m'
# NC='\033[0m' # No Color
# 
# echo_info() { echo -e "${GRAY}INFO: $1${NC}"; }
# log_info() {
#     if [ "${SCITEX_LOG_LEVEL:-1}" -ge 2 ]; then
#         echo -e "  \033[0;90m→ $1\033[0m"
#     fi
# }
# echo_success() { echo -e "${GREEN}SUCC: $1${NC}"; }
# echo_warning() { echo -e "${YELLOW}WARN: $1${NC}"; }
# echo_error() { echo -e "${RED}ERRO: $1${NC}"; }
# echo_header() { echo_info "=== $1 ==="; }
# # ---------------------------------------
# 
# # Configuration (this changes working directory!)
# source ./config/load_config.sh $SCITEX_WRITER_DOC_TYPE
# 
# # Source the 00_shared LaTeX commands module
# source "$(dirname ${BASH_SOURCE[0]})/command_switching.src"
# 
# # Logging
# touch "$LOG_PATH" >/dev/null 2>&1
# echo
# log_info "Running $0 ..."
# 
# 
# function determine_previous() {
#     local base_tex=$(ls -v "$SCITEX_WRITER_VERSIONS_DIR"/*_v*base.tex 2>/dev/null | tail -n 1)
#     local latest_tex=$(ls -v "$SCITEX_WRITER_VERSIONS_DIR"/*_v[0-9]*.tex 2>/dev/null | tail -n 1)
#     local current_tex="$SCITEX_WRITER_COMPILED_TEX"
# 
#     if [[ -n "$base_tex" ]]; then
#         echo "$base_tex"
#     elif [[ -n "$latest_tex" ]]; then
#         echo "$latest_tex"
#     else
#         echo "$current_tex"
#     fi
# }
# 
# function take_diff_tex() {
#     local previous=$(determine_previous)
# 
#     log_info "    Creating diff between archive..."
# 
#     if [ ! -f "$SCITEX_WRITER_COMPILED_TEX" ]; then
#         echo_warning "    $SCITEX_WRITER_COMPILED_TEX not found."
#         return 1
#     fi
# 
#     # Get latexdiff command from 00_shared module
#     local latexdiff_cmd=$(get_cmd_latexdiff "$ORIG_DIR")
# 
#     if [ -z "$latexdiff_cmd" ]; then
#         echo_error "    latexdiff not found (native, module, or container)"
#         return 1
#     fi
# 
#     # echo_info "    Using latexdiff command: $latexdiff_cmd"
# 
#     $latexdiff_cmd \
#         --encoding=utf8 \
#         --type=CULINECHBAR \
#         --disable-citation-markup \
#         --append-safecmd="cite,cite,citet" \
#         "$previous" "$SCITEX_WRITER_COMPILED_TEX" 2> >(grep -v 'gocryptfs not found' | grep -v 'Wide character in print' >&2) > "$SCITEX_WRITER_DIFF_TEX"
# 
#     if [ -f "$SCITEX_WRITER_DIFF_TEX" ] && [ -s "$SCITEX_WRITER_DIFF_TEX" ]; then
#         echo_success "    $SCITEX_WRITER_DIFF_TEX created"
# 
#         # Add signature with version metadata
#         # Extract old version from previous file path (e.g., manuscript_v113.tex -> 113)
#         local old_version=$(echo "$previous" | grep -oP '_v\K[0-9]+' || echo "unknown")
# 
#         # Get new version from version counter
#         local new_version="current"
#         if [ -f "$SCITEX_WRITER_VERSION_COUNTER_TXT" ]; then
#             new_version=$(head -n 1 "$SCITEX_WRITER_VERSION_COUNTER_TXT" | tr -d '[:space:]')
#         fi
# 
#         # Load and apply signature
#         if [ -f "./scripts/shell/modules/add_diff_signature.sh" ]; then
#             source ./scripts/shell/modules/add_diff_signature.sh
#             add_diff_signature "$SCITEX_WRITER_DIFF_TEX" "$old_version" "$new_version"
#         fi
# 
#         return 0
#     else
#         echo_warn "    $SCITEX_WRITER_DIFF_TEX not created or is empty"
#         return 1
#     fi
# }
# 
# compile_diff_tex() {
#     log_info "    Compiling diff document..."
# 
#     local tex_file="$SCITEX_WRITER_DIFF_TEX"
# 
#     # Source engine modules (ENGINES_DIR set at top of script before load_config.sh)
#     source "${ENGINES_DIR}/compile_tectonic.sh"
#     source "${ENGINES_DIR}/compile_latexmk.sh"
#     source "${ENGINES_DIR}/compile_3pass.sh"
# 
#     # Use the same engine as main compilation (or default to latexmk for diff stability)
#     local engine="${SCITEX_WRITER_SELECTED_ENGINE:-latexmk}"
# 
#     log_info "    Using engine: $engine"
# 
#     # Dispatch to engine-specific implementation
#     case "$engine" in
#         tectonic)
#             compile_with_tectonic "$tex_file"
#             ;;
#         latexmk)
#             compile_with_latexmk "$tex_file"
#             ;;
#         3pass)
#             compile_with_3pass "$tex_file"
#             ;;
#         *)
#             echo_warning "    Unknown engine '$engine', using latexmk"
#             compile_with_latexmk "$tex_file"
#             ;;
#     esac
# }
# 
# cleanup() {
#     # PDF is generated in LOG_DIR, move to final location
#     local pdf_basename=$(basename "$SCITEX_WRITER_DIFF_PDF")
#     local pdf_in_logs="${LOG_DIR}/${pdf_basename}"
# 
#     if [ -f "$pdf_in_logs" ]; then
#         # Move PDF from logs/ to final location
#         mv "$pdf_in_logs" "$SCITEX_WRITER_DIFF_PDF"
#         echo_info "    Moved PDF: $pdf_in_logs -> $SCITEX_WRITER_DIFF_PDF"
#     fi
# 
#     if [ -f "$SCITEX_WRITER_DIFF_PDF" ]; then
#         local size=$(du -h "$SCITEX_WRITER_DIFF_PDF" | cut -f1)
#         echo_success "    $SCITEX_WRITER_DIFF_PDF ready (${size})"
#         sleep 1
#     else
#         echo_warn "    $SCITEX_WRITER_DIFF_PDF not created"
#     fi
# }
# 
# main() {
#     local start_time=$(date +%s)
# 
#     if take_diff_tex; then
#         compile_diff_tex
#     fi
# 
#     cleanup
#     echo_info "    Total time: $(($(date +%s) - start_time))s"
# }
# 
# main "$@"
# 
# # EOF
# --------------------------------------------------------------------------------
# End of Source Code from: /home/ywatanabe/proj/scitex-writer/scripts/shell/modules/process_diff.sh
# --------------------------------------------------------------------------------