#!/bin/bash

show_GitThat_help() {
    echo "Usage: $0 [-h] [-d directory] [-o output_file] [-s]"
    echo
    echo "  -h                Show this help message and exit"
    echo "  -d <directory>    Directory to search (default: current directory)"
    echo "  -o <output_file>  File to save the output (default: stdout)"
    echo "  -s                Search all subdirectories (recursive)"
}

# Default values
BASE_DIR="."
OUTPUT_FILE=""
RECURSIVE=false

# Parse options
while getopts ":hd:o:s" opt; do
    case $opt in
        h)
            show_GitThat_help
            exit 0
            ;;
        d)
            BASE_DIR="$OPTARG"
            ;;
        o)
            OUTPUT_FILE="$OPTARG"
            ;;
        s)
            RECURSIVE=true
            ;;
        \?)
            echo "Invalid option: -$OPTARG" >&2
            show_GitThat_help
            exit 1
            ;;
        :)
            echo "Option -$OPTARG requires an argument." >&2
            show_GitThat_help
            exit 1
            ;;
    esac
done

# Determine find depth option
if [ "$RECURSIVE" = true ]; then
    FIND_OPTS="-type d -name .git"
else
    FIND_OPTS="-maxdepth 2 -type d -name .git"
fi

# Run the search and collect results
RESULTS=""
while IFS= read -r gitdir; do
    repo_dir="$(dirname "$gitdir")"
    url=$(git -C "$repo_dir" config --get remote.origin.url)
    if [ -n "$url" ]; then
        RESULTS+="$repo_dir: $url"$'\n'
    else
        RESULTS+="$repo_dir: No remote.origin.url found"$'\n'
    fi
done < <(find "$BASE_DIR" $FIND_OPTS)

# Output results
if [ -n "$OUTPUT_FILE" ]; then
    echo "$RESULTS" > "$OUTPUT_FILE"
else
    echo "$RESULTS"
fi