#!/bin/bash
set -euo pipefail

BINARY_NAME="scripts-organizer"
BIN_DIR="$HOME/.local/bin"
BASHRC="$HOME/.bashrc"
RELEASE_BINARY="$(pwd)/target/release/$BINARY_NAME"
SYMLINK_TARGET="$BIN_DIR/$BINARY_NAME"

# ── Colours ────────────────────────────────────────────────────────────────────
BOLD='\033[1m'
DIM='\033[2m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
CYAN='\033[0;36m'
RESET='\033[0m'

step()    { echo -e "\n${BOLD}${CYAN}▶  $1${RESET}"; }
ok()      { echo -e "   ${GREEN}✔${RESET}  $1"; }
skip()    { echo -e "   ${DIM}–  $1${RESET}"; }
warn()    { echo -e "   ${YELLOW}⚠  $1${RESET}"; }
divider() { echo -e "${DIM}   ──────────────────────────────────────${RESET}"; }

# ── Header ─────────────────────────────────────────────────────────────────────
echo -e "\n${BOLD}  scripts-organizer — build${RESET}"
divider

# ── 1. Build release ───────────────────────────────────────────────────────────
step "Building release binary"
cargo build --release --quiet
ok "Build complete → target/release/$BINARY_NAME"

# ── 2. Ensure ~/.local/bin exists ─────────────────────────────────────────────
step "Checking $BIN_DIR"
mkdir -p "$BIN_DIR"
ok "$BIN_DIR exists"

# ── 3. Add ~/.local/bin to PATH in ~/.bashrc if not already present ───────────
step "Checking PATH in $BASHRC"
PATH_EXPORT='export PATH="$HOME/.local/bin:$PATH"'
PATH_MARKER="# scripts-organizer: bin_dir"

if grep -qE '(^|:)[^#]*\.local/bin([^a-zA-Z0-9_]|$)' "$BASHRC" 2>/dev/null; then
    skip "$BIN_DIR already declared in $BASHRC"
else
    echo "" >> "$BASHRC"
    echo "$PATH_MARKER" >> "$BASHRC"
    echo "$PATH_EXPORT" >> "$BASHRC"
    ok "Added $BIN_DIR to PATH in $BASHRC"
    warn "Restart your shell or run: source $BASHRC"
fi

# ── 4. Symlink binary ──────────────────────────────────────────────────────────
step "Symlinking binary"
if [[ ! -L "$SYMLINK_TARGET" ]]; then
    ln -sf "$RELEASE_BINARY" "$SYMLINK_TARGET"
    ok "Symlinked → $SYMLINK_TARGET"
else
    skip "$SYMLINK_TARGET already exists"
fi

# ── Done ───────────────────────────────────────────────────────────────────────
divider
echo -e "\n${BOLD}${GREEN}  ✔  Done.${RESET}  Run: ${BOLD}$BINARY_NAME${RESET}\n"