#!/usr/bin/env bash
# install.sh — Symlink claude-config files into ~/.claude/
#
# Idempotent : sauvegarde l'existant puis remplace par des symlinks vers ce repo.

set -euo pipefail

REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
CLAUDE_DIR="${HOME}/.claude"
BACKUP_DIR="${CLAUDE_DIR}/backup-$(date +%Y%m%d-%H%M%S)"

echo "→ Repo            : ${REPO_DIR}"
echo "→ Claude config   : ${CLAUDE_DIR}"
echo

mkdir -p "${CLAUDE_DIR}/commands"

backup_and_link() {
    local src="$1"
    local dst="$2"
    if [[ -e "$dst" && ! -L "$dst" ]]; then
        mkdir -p "$BACKUP_DIR"
        echo "  · backup $dst → $BACKUP_DIR/"
        mv "$dst" "$BACKUP_DIR/"
    elif [[ -L "$dst" ]]; then
        rm "$dst"
    fi
    ln -s "$src" "$dst"
    echo "  ✓ link  $dst → $src"
}

echo "→ Lien : ~/.claude/CLAUDE.md"
backup_and_link "${REPO_DIR}/global/CLAUDE.md" "${CLAUDE_DIR}/CLAUDE.md"

echo
echo "→ Liens : ~/.claude/commands/*.md"
for src in "${REPO_DIR}/commands/"*.md; do
    name="$(basename "$src")"
    backup_and_link "$src" "${CLAUDE_DIR}/commands/${name}"
done

echo
echo "→ Lien : dev_malio/CLAUDE.md (workspace)"
WORKSPACE_DIR="$(dirname "${REPO_DIR}")"
backup_and_link "${REPO_DIR}/workspace/CLAUDE.md" "${WORKSPACE_DIR}/CLAUDE.md"

echo
if [[ -d "$BACKUP_DIR" ]]; then
    echo "✓ Backups stockés dans : $BACKUP_DIR"
fi

echo
echo "═══════════════════════════════════════════════"
echo "✅ Symlinks installés."
echo
echo "Étape manuelle restante — configurer le MCP Lesstime :"
echo
echo "  1. Récupère un token API sur http://project.malio-dev.fr/profile"
echo "  2. cp ${REPO_DIR}/mcp/.mcp.json.example ${CLAUDE_DIR}/.mcp.json"
echo "  3. Remplace REPLACE_WITH_YOUR_LESSTIME_API_TOKEN dans ${CLAUDE_DIR}/.mcp.json"
echo "  4. Redémarre Claude Code (/exit puis claude)"
echo
echo "Voir ${REPO_DIR}/mcp/INSTALL.md pour Claude Desktop."
echo "═══════════════════════════════════════════════"