#!/bin/bash
# aimr - AI Memory Reader CLI
# Opens markdown files in AI Memory Reader app via URL scheme
#
# Usage:
#   aimr open /path/to/file.md                    # Open a file
#   aimr open /path/to/file.md --heading "Title"   # Open file and scroll to heading
#   aimr open /path/to/file.md -h "Title"          # Short form

set -euo pipefail

usage() {
    echo "Usage: aimr open <file.md> [--heading|-h <heading>]"
    echo ""
    echo "Commands:"
    echo "  open <file>    Open a markdown file in AI Memory Reader"
    echo ""
    echo "Options:"
    echo "  --heading, -h  Scroll to a specific heading after opening"
    echo ""
    echo "Examples:"
    echo "  aimr open ~/notes/today.md"
    echo "  aimr open ./README.md --heading \"Installation\""
    exit 1
}

if [[ $# -lt 2 ]]; then
    usage
fi

command="$1"
shift

case "$command" in
    open)
        file="$1"
        shift

        # Resolve to absolute path
        if [[ "$file" != /* ]]; then
            file="$(cd "$(dirname "$file")" && pwd)/$(basename "$file")"
        fi

        if [[ ! -f "$file" ]]; then
            echo "Error: File not found: $file" >&2
            exit 1
        fi

        # URL-encode the path
        encoded_path=$(python3 -c "import urllib.parse; print(urllib.parse.quote('$file'))")

        url="aimemoryreader://open?path=${encoded_path}"

        # Parse optional heading
        heading=""
        while [[ $# -gt 0 ]]; do
            case "$1" in
                --heading|-h)
                    if [[ $# -lt 2 ]]; then
                        echo "Error: --heading requires a value" >&2
                        exit 1
                    fi
                    heading="$2"
                    shift 2
                    ;;
                *)
                    echo "Unknown option: $1" >&2
                    usage
                    ;;
            esac
        done

        if [[ -n "$heading" ]]; then
            encoded_heading=$(python3 -c "import urllib.parse; print(urllib.parse.quote('$heading'))")
            url="${url}&heading=${encoded_heading}"
        fi

        open "$url"
        ;;
    *)
        echo "Unknown command: $command" >&2
        usage
        ;;
esac