#!/bin/sh

. /lib/functions.sh
. /usr/share/libubox/jshn.sh

REPO_DIR="/srv/repo.secubox.in"
LOG_FILE="/var/log/repo-sync.log"

case "$1" in
    list)
        echo '{"status":{},"config":{},"packages":{"arch":"string"},"sync":{"version":"string"},"logs":{"lines":"number"}}'
        ;;
    call)
        case "$2" in
            status)
                json_init

                # Load config
                config_load repo
                config_get enabled main enabled "1"
                config_get version main version "unknown"
                config_get github_repo main github_repo ""
                config_get port main port "8888"
                config_get last_sync main last_sync ""
                config_get auto_sync main auto_sync "0"
                config_get sync_interval main sync_interval "6"

                json_add_boolean "enabled" "$enabled"
                json_add_string "version" "$version"
                json_add_string "github_repo" "$github_repo"
                json_add_int "port" "$port"
                json_add_string "last_sync" "$last_sync"
                json_add_boolean "auto_sync" "$auto_sync"
                json_add_int "sync_interval" "$sync_interval"

                # Server status
                if netstat -tln 2>/dev/null | grep -q ":$port "; then
                    json_add_boolean "running" 1
                else
                    json_add_boolean "running" 0
                fi

                # Package counts by architecture
                json_add_object "architectures"
                for dir in "$REPO_DIR/luci"/*; do
                    [ -d "$dir" ] || continue
                    arch=$(basename "$dir")
                    count=$(ls "$dir"/*.ipk 2>/dev/null | wc -l)
                    json_add_int "$arch" "$count"
                done
                json_close_object

                json_dump
                ;;

            config)
                json_init
                config_load repo

                config_get enabled main enabled "1"
                config_get version main version ""
                config_get github_repo main github_repo ""
                config_get port main port "8888"
                config_get auto_sync main auto_sync "0"
                config_get sync_interval main sync_interval "6"

                json_add_boolean "enabled" "$enabled"
                json_add_string "version" "$version"
                json_add_string "github_repo" "$github_repo"
                json_add_int "port" "$port"
                json_add_boolean "auto_sync" "$auto_sync"
                json_add_int "sync_interval" "$sync_interval"

                json_dump
                ;;

            packages)
                read -r input
                json_load "$input"
                json_get_var arch arch "x86_64"

                json_init
                json_add_string "arch" "$arch"
                json_add_array "packages"

                dir="$REPO_DIR/luci/$arch"
                if [ -d "$dir" ]; then
                    for ipk in "$dir"/*.ipk; do
                        [ -f "$ipk" ] || continue
                        name=$(basename "$ipk")
                        size=$(stat -c%s "$ipk" 2>/dev/null || echo 0)
                        json_add_object ""
                        json_add_string "name" "$name"
                        json_add_int "size" "$size"
                        json_close_object
                    done
                fi

                json_close_array
                json_dump
                ;;

            sync)
                read -r input
                json_load "$input"
                json_get_var version version ""

                if [ -n "$version" ]; then
                    uci set repo.main.version="$version"
                    uci commit repo
                fi

                # Run sync in background
                /usr/sbin/repo-sync &

                json_init
                json_add_boolean "started" 1
                json_add_string "message" "Sync started in background"
                json_dump
                ;;

            logs)
                read -r input
                json_load "$input"
                json_get_var lines lines 50

                json_init
                if [ -f "$LOG_FILE" ]; then
                    json_add_string "logs" "$(tail -n "$lines" "$LOG_FILE" | sed 's/"/\\"/g' | tr '\n' '|')"
                else
                    json_add_string "logs" ""
                fi
                json_dump
                ;;
        esac
        ;;
esac