#!/usr/bin/env nu

# Provisioning Platform - Presentation Launcher (Simplified Version)
# More compatible with different Nushell versions
#
# Usage:
#   nu run-simple.nu                # Show menu and choose
#   nu run-simple.nu pitch          # Launch pitch.md
#   nu run-simple.nu talk.md        # Launch talk.md

def main [presentation?: string] {
    # Define available presentations
    let presentations = [
        { idx: 1, name: "pitch.md", audience: "Executives", duration: "10 min", slides: 12 }
        { idx: 2, name: "demo-intro.md", audience: "Developers", duration: "15 min", slides: 10 }
        { idx: 3, name: "talk.md", audience: "Technical", duration: "30-45 min", slides: 25 }
        { idx: 4, name: "workshop.md", audience: "Learners", duration: "1-2 hours", slides: 40 }
        { idx: 5, name: "slides.md", audience: "All", duration: "Custom", slides: 40 }
    ]

    # Filter only existing files
    let available = $presentations | where { |p|
        ($p.name | path exists)
    }

    if ($available | length) == 0 {
        print "❌ No presentation files found!"
        return
    }

    # Determine which presentation to launch
    let selected = if ($presentation == null) {
        # Show menu
        print "\n╔═══════════════════════════════════════════════════════════════╗"
        print "║  Provisioning Platform - Presentation Launcher                ║"
        print "╚═══════════════════════════════════════════════════════════════╝\n"

        $available | each { |p|
            let name_pad = ($p.name | fill --alignment left --width 15)
            let audience_pad = ($p.audience | fill --alignment left --width 12)
            print $"  [($p.idx)] $name_pad │ $audience_pad │ ($p.duration)"
        }

        print "\n  [Q] Quit\n"

        let choice = (input "Select presentation (1-5): ")

        match $choice {
            "q" | "Q" => {
                print "👋 Goodbye!"
                return
            }
            "1" => { $available | where { |p| $p.idx == 1 } | get 0 }
            "2" => { $available | where { |p| $p.idx == 2 } | get 0 }
            "3" => { $available | where { |p| $p.idx == 3 } | get 0 }
            "4" => { $available | where { |p| $p.idx == 4 } | get 0 }
            "5" => { $available | where { |p| $p.idx == 5 } | get 0 }
            _ => {
                print "❌ Invalid selection"
                return
            }
        }
    } else {
        # Validate argument
        let with_ext = if ($presentation | str ends-with ".md") {
            $presentation
        } else {
            $"($presentation).md"
        }

        let found = $available | where { |p| $p.name == $with_ext }

        if ($found | length) == 0 {
            print $"❌ Presentation not found: $with_ext"
            print "\nAvailable:"
            $available | each { |p| print $"  • ($p.name)" }
            return
        }

        $found | get 0
    }

    # Launch
    print ""
    print $"🚀 Launching: ($selected.name)"
    print "   📺 View at: http://localhost:3030"
    print "   ⌨️  Press 'S' for speaker notes, 'F' for fullscreen"
    print ""

    pnpm run dev $selected.name
}

main ...$nu.env.ARGS.positional