#!/usr/bin/env bash
# L0b Factory Bootstrap — Linux/macOS
# Auto-generated from install-log.md field-test 2026-05-06

set -euo pipefail

GITEA_DEFAULT="https://git.kzntsv.site"
ORG_DEFAULT="OpeItcLoc03"
FACTORY_REPO_DEFAULT="factory"
HOME_TOML="$HOME/.config/factory/home.toml"
PROJECTS_DIR_DEFAULT="$HOME/projects"

step() { echo -e "\n▶ $*"; }
ok() { echo "✓ $*"; }
skip() { echo "⊘ $*"; }
gap() { echo "⚠ $*" >&2; }

check_cmd() {
    command -v "$1" &>/dev/null
}

# Pre-checks
step "L0b Pre-checks"

missed=()
check_cmd git || missed+=("git (install: brew install git / apt install git)")
check_cmd curl || missed+=("curl (install: brew install curl / apt install curl)")
check_cmd mise || missed+=("mise (install: curl https://mise.run | bash)")
check_cmd claude || missed+=("claude (install: curl https://claude.ai/install.sh | bash)")

if [[ ${#missed[@]} -gt 0 ]]; then
    gap "Missing dependencies:"
    for m in "${missed[@]}"; do
        echo "  - $m"
    done
    echo ""
    echo "Install missing tools and re-run bootstrap."
    exit 1
fi
ok "Pre-checks passed"

# Check if already bootstrapped
if [[ -f "$HOME_TOML" ]]; then
    skip "Already bootstrapped. Re-run mode: verify only."

    if [[ $(grep -oP "projects_dir\s*=\s*'\K[^']+" "$HOME_TOML" 2>/dev/null) ]]; then
        existing_dir=$(grep -oP "projects_dir\s*=\s*'\K[^']+" "$HOME_TOML")
        echo "  projects_dir: $existing_dir"

        if [[ -d "$existing_dir/.factory" ]]; then
            ok ".factory exists"
        else
            gap ".factory missing at $existing_dir/.factory"
            exit 1
        fi
    fi
    ok "Bootstrap verified. Exiting (no-op)."
    exit 0
fi

# Interactive: ask for configuration
step "Configuration"

read -rp "Gitea URL [$GITEA_DEFAULT]: " gitea
gitea=${gitea:-$GITEA_DEFAULT}

read -rp "Gitea org/user [$ORG_DEFAULT]: " org
org=${org:-$ORG_DEFAULT}

read -rp "Factory repo name [$FACTORY_REPO_DEFAULT]: " factoryRepo
factoryRepo=${factoryRepo:-$FACTORY_REPO_DEFAULT}

read -rp "Projects directory [$PROJECTS_DIR_DEFAULT]: " projectsDir
projectsDir=${projectsDir:-$PROJECTS_DIR_DEFAULT}

read -rp "AI client [claude-code/copilot-cli/gemini-cli] (default: claude-code): " client
client=${client:-claude-code}

# Validate projects_dir
if [[ ! -d "$projectsDir" ]]; then
    read -rp "Directory '$projectsDir' does not exist. Create? [Y/n] " create
    if [[ "$create" != "n" && "$create" != "N" ]]; then
        mkdir -p "$projectsDir"
        ok "Created $projectsDir"
    else
        gap "Cannot continue without projects_dir"
        exit 1
    fi
fi

# Clone .factory
step "Cloning .factory repo"

factoryLocal="$projectsDir/.factory"
factoryUrl="$gitea/$org/$factoryRepo.git"

if [[ -d "$factoryLocal" ]]; then
    skip ".factory already exists, skipping clone"

    if [[ ! -d "$factoryLocal/.git" ]]; then
        gap "$factoryLocal exists but is not a git repo. Remove it and re-run."
        exit 1
    fi
else
    echo "Cloning from: $factoryUrl"

    # Check if we have credentials for gitea
    need_auth=false
    if ! git ls-remote "$factoryUrl" &>/dev/null; then
        need_auth=true
    fi

    if [[ "$need_auth" == true ]]; then
        echo ""
        echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
        echo "  PAT REQUIRED"
        echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
        echo ""
        echo "1. Open in browser: $gitea/user/settings/applications"
        echo "2. Generate PAT with scopes: read:repository, write:repository, read:user"
        echo "3. Press Enter when ready..."
        echo ""
        read -r

        echo "Cloning with Git Credential Manager prompt..."
    fi

    git clone "$factoryUrl" "$factoryLocal" || {
        gap "Clone failed. Check URL and credentials."
        exit 1
    }
    ok "Cloned to $factoryLocal"
fi

# Write home.toml
step "Writing ~/.config/factory/home.toml"

configDir="$HOME/.config/factory"
mkdir -p "$configDir"

installed_at=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

cat > "$configDir/home.toml" <<EOF
# factory home — single source of machine-level state
# auto-generated by L0b bootstrap; safe to edit by hand

projects_dir = '$projectsDir'
client = '$client'
installed_at = '$installed_at'
EOF

ok "Wrote $HOME_TOML"

# Print next steps
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "  L0b COMPLETE"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "Factory bootstrapped. Next steps (manual):"
echo ""
echo "1. Start Claude Code:"
echo "   cd $factoryLocal"
echo "   claude"
echo ""
echo "2. In Claude, run:"
echo "   /login"
echo "   /plugin install superpowers@claude-plugins-official"
echo "   /plugin install context7@claude-plugins-official"
echo "   /reload-plugins"
echo "   /exit"
echo ""
echo "3. Run setup skills:"
echo "   cd $projectsDir"
echo "   claude"
echo "   /setup-projects-meta"
echo "   /setup-interns"
echo "   /setup-tasks"
echo "   /setup-wiki"
echo ""
echo "See .wiki/concepts/factory-bootstrap.md for full design."
echo "Re-run this script anytime — it's idempotent."