setup.sh

#!/bin/bash
# ddday Setup — One-command restore on a new machine
# Usage: extract migration bundle, then run: bash setup.sh

set -e

GREEN='\033[0;32m'; YELLOW='\033[1;33m'; RED='\033[0;31m'; CYAN='\033[0;36m'; NC='\033[0m'
ok()   { echo -e "  ${GREEN}✅${NC} $1"; }
warn() { echo -e "  ${YELLOW}⚠️${NC} $1"; }
fail() { echo -e "  ${RED}❌${NC} $1"; }
info() { echo -e "  ${CYAN}ℹ${NC} $1"; }

echo ""
echo "═══════════════════════════════════════════════"
echo "  ddday Setup · New Machine Restore"
echo "═══════════════════════════════════════════════"
echo ""

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"

if [ ! -f "$SCRIPT_DIR/manifest.json" ]; then
    fail "manifest.json not found. Run this from inside the ddday-migration/ directory."
    exit 1
fi

OLD_HOME=$(python3 -c "import json; print(json.load(open('$SCRIPT_DIR/manifest.json'))['exported_from']['home'])")
OLD_USER=$(python3 -c "import json; print(json.load(open('$SCRIPT_DIR/manifest.json'))['exported_from']['username'])")
NEW_HOME="$HOME"
NEW_USER="$(whoami)"

echo "  Old machine: $OLD_USER ($OLD_HOME)"
echo "  New machine: $NEW_USER ($NEW_HOME)"
echo ""

NEED_REMAP=false
[ "$OLD_HOME" != "$NEW_HOME" ] && NEED_REMAP=true

# ── 1. Dependencies ──────────────────────────────────────────
echo "【1/6】Checking dependencies..."

command -v python3 &>/dev/null && ok "Python: $(python3 --version 2>&1)" || { warn "Python3 not found. Install it first."; }
command -v git &>/dev/null && ok "Git installed" || { warn "Git not found. Install it first."; }

# ── 2. Python packages ──────────────────────────────────────
echo ""
echo "【2/6】Installing Python packages..."

if [ -f "$SCRIPT_DIR/requirements.txt" ]; then
    pip3 install --quiet -r "$SCRIPT_DIR/requirements.txt" 2>/dev/null \
        && ok "Python packages installed" \
        || warn "Some packages failed to install"
else
    info "No requirements.txt, skipping"
fi

# ── 3. Directory structure ───────────────────────────────────
echo ""
echo "【3/6】Creating directories..."

DDDAY_TARGET="$NEW_HOME/Desktop/ddday"
mkdir -p "$DDDAY_TARGET"/{logs,context}
mkdir -p "$NEW_HOME/.claude/skills"
mkdir -p "$NEW_HOME/.claude/projects"
ok "Directory structure created"

# ── 4. Copy files ────────────────────────────────────────────
echo ""
echo "【4/6】Copying files..."

if [ -d "$SCRIPT_DIR/ddday" ]; then
    cp -R "$SCRIPT_DIR/ddday/"* "$DDDAY_TARGET/" 2>/dev/null || true
    ok "ddday files copied"
fi

if [ -d "$SCRIPT_DIR/claude-memory" ]; then
    for dir in "$SCRIPT_DIR/claude-memory"/*/; do
        dirname=$(basename "$dir")
        target="$NEW_HOME/.claude/projects/$dirname/memory"
        mkdir -p "$target"
        cp -R "$dir"* "$target/" 2>/dev/null || true
    done
    ok "Claude memory files copied"
fi

# ── 5. Path remapping ───────────────────────────────────────
echo ""
echo "【5/6】Remapping paths..."

if [ "$NEED_REMAP" = true ]; then
    REPLACED=0
    for f in "$DDDAY_TARGET"/*.{py,sh,json,md} "$DDDAY_TARGET"/SKILL.md; do
        if [ -f "$f" ] && grep -q "$OLD_HOME" "$f" 2>/dev/null; then
            sed -i '' "s|$OLD_HOME|$NEW_HOME|g" "$f" 2>/dev/null || sed -i "s|$OLD_HOME|$NEW_HOME|g" "$f"
            REPLACED=$((REPLACED + 1))
        fi
    done
    ok "$REPLACED files remapped"
else
    info "Same paths, no remapping needed"
fi

# ── 6. Symlinks + Cron ──────────────────────────────────────
echo ""
echo "【6/6】Registering skill + cron..."

ln -sfn "$DDDAY_TARGET" "$NEW_HOME/.claude/skills/ddday"
ok "ddday skill symlink created"

chmod +x "$DDDAY_TARGET/generate_dashboard.py" "$DDDAY_TARGET/run_ddday.sh" 2>/dev/null || true

EXISTING_CRON=$(crontab -l 2>/dev/null || echo "")
if ! echo "$EXISTING_CRON" | grep -q "run_ddday.sh"; then
    (echo "$EXISTING_CRON"; echo "2 18 * * * cd $DDDAY_TARGET && python3 generate_dashboard.py >> $DDDAY_TARGET/logs/cron.log 2>&1") | crontab -
    ok "Cron job registered (daily 18:02)"
else
    ok "Cron job already exists"
fi

# ── Done ─────────────────────────────────────────────────────
echo ""
echo "═══════════════════════════════════════════════"
echo -e "  ${GREEN}✅ Restore complete!${NC}"
echo "═══════════════════════════════════════════════"
echo ""
echo "  Next steps:"
echo "  1. python3 $DDDAY_TARGET/doctor.py    # Health check"
echo "  2. /ddday                               # Start working"
echo ""