#!/usr/bin/env bash
#
# Shared config and helpers for Gitea issues scripts.
# Source from gitea-issues/*.sh after cd to project root.
#
set -euo pipefail

GITEA_ISSUES_DIR="${GITEA_ISSUES_DIR:-$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)}"
GITEA_API_URL="${GITEA_API_URL:-https://git.4nkweb.com/api/v1}"
GITEA_REPO_OWNER="${GITEA_REPO_OWNER:-4nk}"
GITEA_REPO_NAME="${GITEA_REPO_NAME:-lecoffre_ng}"

# Optional: load project config from ia_dev (projects/<id>/conf.json) when gitea-issues is inside ia_dev
PROJECT_CONFIG_PATH=""
if [[ -f "${GITEA_ISSUES_DIR}/../lib/project_config.sh" ]]; then
	PROJECT_ROOT="$(git rev-parse --show-toplevel 2>/dev/null)" || true
	IA_DEV_ROOT="$(cd "$GITEA_ISSUES_DIR/.." && pwd)"
	if [[ -n "${PROJECT_ROOT:-}" ]]; then
		# shellcheck source=../lib/project_config.sh
		source "${GITEA_ISSUES_DIR}/../lib/project_config.sh"
	fi
fi

# Load token: GITEA_TOKEN env, then project config git.token_file, then default .secrets path
load_gitea_token() {
	if [[ -n "${GITEA_TOKEN:-}" ]]; then
		return 0
	fi
	local token_file=""
	if [[ -n "${PROJECT_CONFIG_PATH:-}" && -f "$PROJECT_CONFIG_PATH" ]] && command -v jq >/dev/null 2>&1; then
		local rel_path
		rel_path="$(jq -r '.git.token_file // empty' "$PROJECT_CONFIG_PATH" 2>/dev/null)"
		if [[ -n "$rel_path" && -n "${PROJECT_ROOT:-}" && -f "${PROJECT_ROOT}/${rel_path}" ]]; then
			token_file="${PROJECT_ROOT}/${rel_path}"
		fi
	fi
	if [[ -z "$token_file" ]]; then
		token_file="${GITEA_ISSUES_DIR}/../.secrets/gitea-issues/token"
	fi
	if [[ -f "$token_file" ]]; then
		GITEA_TOKEN="$(cat "$token_file")"
		return 0
	fi
	echo "[gitea-issues] ERROR: GITEA_TOKEN not set and ${token_file} not found" >&2
	echo "[gitea-issues] Set GITEA_TOKEN or create the token file with a Gitea Personal Access Token." >&2
	return 1
}

# curl wrapper for Gitea API (GET). Usage: gitea_api_get "/repos/owner/repo/issues"
gitea_api_get() {
	local path="$1"
	load_gitea_token || return 1
	curl -sS -H "Accept: application/json" \
		-H "Authorization: token ${GITEA_TOKEN}" \
		"${GITEA_API_URL}${path}"
}

# curl wrapper for Gitea API (POST). Usage: gitea_api_post "/repos/owner/repo/issues/123/comments" '{"body":"..."}'
gitea_api_post() {
	local path="$1"
	local data="${2:-}"
	load_gitea_token || return 1
	curl -sS -X POST -H "Accept: application/json" -H "Content-Type: application/json" \
		-H "Authorization: token ${GITEA_TOKEN}" \
		-d "$data" \
		"${GITEA_API_URL}${path}"
}

# curl wrapper for Gitea API (PATCH). Usage: gitea_api_patch "/repos/owner/repo/wiki/page/Foo" '{"content_base64":"..."}'
gitea_api_patch() {
	local path="$1"
	local data="${2:-}"
	load_gitea_token || return 1
	curl -sS -X PATCH -H "Accept: application/json" -H "Content-Type: application/json" \
		-H "Authorization: token ${GITEA_TOKEN}" \
		-d "$data" \
		"${GITEA_API_URL}${path}"
}

# curl wrapper for Gitea API (DELETE). Usage: gitea_api_delete "/repos/owner/repo/wiki/page/Foo"
gitea_api_delete() {
	local path="$1"
	load_gitea_token || return 1
	curl -sS -X DELETE -H "Accept: application/json" \
		-H "Authorization: token ${GITEA_TOKEN}" \
		"${GITEA_API_URL}${path}"
}

log_ts() { date -u '+%Y-%m-%dT%H:%M:%SZ'; }
log_info() { echo "[$(log_ts)] [gitea-issues] $*"; }
log_err() { echo "[$(log_ts)] [gitea-issues] $*" >&2; }

# Require jq for JSON output
require_jq() {
	if ! command -v jq &>/dev/null; then
		log_err "jq is required. Install with: apt install jq / brew install jq"
		return 1
	fi
}

# Ensure we are in the git repo root (for create-branch, etc.)
require_git_root() {
	local root
	root="$(git rev-parse --show-toplevel 2>/dev/null)" || true
	if [[ -z "$root" ]]; then
		log_err "Not inside a git repository."
		return 1
	fi
	cd "$root"
}