#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=lib/common.sh
source "${SCRIPT_DIR}/lib/common.sh"

FILTER=""
FORMAT="table"

usage() {
    cat >&2 <<'EOF'
Usage: list.sh [--private|--public] [--format table|tsv|name]

  --private       只列出 private repo
  --public        只列出 public repo
  --format FORMAT table (default) | tsv | name
EOF
    exit 1
}

while [[ $# -gt 0 ]]; do
    case "$1" in
        --private) FILTER="private"; shift ;;
        --public)  FILTER="public"; shift ;;
        --format)
            [[ $# -ge 2 ]] || { log_err "--format 需要一個值"; exit 1; }
            FORMAT="$2"; shift 2 ;;
        -h|--help) usage ;;
        *) log_err "未知參數：$1"; usage ;;
    esac
done

case "$FORMAT" in
    table|tsv|name) ;;
    *) log_err "--format 只能是 table / tsv / name"; exit 1 ;;
esac

load_config
require_cmd jq column

PAGE=1
LIMIT=50
ALL_ITEMS="$(mktemp)"
trap 'rm -f "$ALL_ITEMS"; _cleanup_common' EXIT

while :; do
    gitea_api GET "/user/repos?limit=${LIMIT}&page=${PAGE}"
    if [[ "$HTTP_CODE" != "200" ]]; then
        log_err "GET /user/repos 失敗 (HTTP ${HTTP_CODE})"
        cat "$GITEA_API_RESP_FILE" >&2
        exit 1
    fi
    jq -c '.[]' < "$GITEA_API_RESP_FILE" >> "$ALL_ITEMS"
    COUNT="$(jq 'length' < "$GITEA_API_RESP_FILE")"
    [[ "$COUNT" -lt "$LIMIT" ]] && break
    PAGE=$((PAGE + 1))
done

filter_jq="."
case "$FILTER" in
    private) filter_jq='select(.private == true)' ;;
    public)  filter_jq='select(.private == false)' ;;
esac

TOTAL="$(jq -s "map($filter_jq) | length" < "$ALL_ITEMS")"
log_info "抓到 ${TOTAL} 個 repo"

case "$FORMAT" in
    name)
        jq -r "$filter_jq | .name" < "$ALL_ITEMS"
        ;;
    tsv)
        jq -r "$filter_jq | [.name, (if .private then \"private\" else \"public\" end), (.description // \"\")] | @tsv" < "$ALL_ITEMS"
        ;;
    table)
        {
            printf 'NAME\tVISIBILITY\tDESCRIPTION\n'
            jq -r "$filter_jq | [.name, (if .private then \"private\" else \"public\" end), (.description // \"\")] | @tsv" < "$ALL_ITEMS"
        } | column -t -s $'\t'
        ;;
esac