#!/bin/bash

# script/sync-hacs: Sync HACS-installed integrations to custom_components/
#
# Creates symlinks from workspace custom_components/ to integrations installed
# by HACS in config/custom_components/. Keeps development workspace in sync with
# test Home Assistant instance.
#
# Usage:
#   ./scripts/setup/sync-hacs
#
# Examples:
#   ./scripts/setup/sync-hacs

set -euo pipefail

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

# shellcheck source=scripts/.lib/output.sh
source "$SCRIPT_DIR/../.lib/output.sh"

log_header "Syncing HACS-installed integrations"

# Check if config/custom_components exists
if [[ ! -d $SCRIPT_DIR/../../config/custom_components ]]; then
    log_info "No config/custom_components directory found"
    exit 0
fi

# Clean up broken symlinks (where target no longer exists)
cleaned=0
if [[ -d $SCRIPT_DIR/../../custom_components ]]; then
    for link in $SCRIPT_DIR/../../custom_components/*; do
        # Skip if not a symlink
        if [[ ! -L $link ]]; then
            continue
        fi

        # Check if symlink target exists
        if [[ ! -e $link ]]; then
            component=$(basename "$link")
            rm "$link"
            log_step "Removed broken link: $component"
            cleaned=$((cleaned + 1))
        fi
    done
fi

# Create symlinks for all integrations in config/custom_components/
# except those that already exist in custom_components/
synced=0
for dir in $SCRIPT_DIR/../../config/custom_components/*/; do
    component=$(basename "$dir")
    target="$SCRIPT_DIR/../../custom_components/$component"

    # Skip if already exists and is not a symlink (don't touch tibber_prices)
    if [[ -e $target && ! -L $target ]]; then
        continue
    fi

    # Create or update symlink
    ln -sf "$SCRIPT_DIR/../../config/custom_components/$component" "$target"
    log_result 0 "Linked: $component"
    synced=$((synced + 1))
done

if [[ $synced -eq 0 && $cleaned -eq 0 ]]; then
    log_info "No changes needed"
elif [[ $synced -gt 0 && $cleaned -eq 0 ]]; then
    log_success "Synced $synced integration(s)"
elif [[ $synced -eq 0 && $cleaned -gt 0 ]]; then
    log_success "Cleaned up $cleaned broken link(s)"
else
    log_success "Synced $synced integration(s), cleaned up $cleaned broken link(s)"
fi