package main

import (
	"context"
	"encoding/json"
	"fmt"
	"github.com/jackc/pgx/v5/pgxpool"
	"knowledge-governance/internal/appconfig"
	"knowledge-governance/internal/version"
	"os"
	"time"
)

// Operator-only read-back in the existing API binary; no new public endpoint,
// no session/credential creation and no migrations or remote forge access.
func versionRecordStatus(ctx context.Context, getenv func(string) string) int {
	info := version.Snapshot()
	if !info.IdentityAvailable || info.CommitSHA == nil {
		return printVersionStatus(false, "build_identity_missing", "")
	}
	config, e := appconfig.Load(getenv)
	if e != nil {
		return printVersionStatus(false, "configuration_invalid", *info.CommitSHA)
	}
	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()
	pool, e := pgxpool.New(ctx, config.DatabaseURL)
	if e != nil {
		return printVersionStatus(false, "database_unavailable", *info.CommitSHA)
	}
	defer pool.Close()
	tag := "snapshot/v" + info.DisplayVersion
	kind := "development"
	if info.BuildKind == "release" {
		tag = "v" + info.DisplayVersion
		kind = "release"
	}
	evidence, _ := json.Marshal([]map[string]any{{"name": tag, "annotated": true}})
	var ready bool
	e = pool.QueryRow(ctx, `SELECT EXISTS(SELECT 1 FROM version_history_commits c WHERE repo_key=$1 AND commit_sha=$2 AND version_label=$3 AND record_kind=$4 AND btrim(release_notes)<>'' AND release_tags @> $5::jsonb AND snapshot_id=(SELECT max(id) FROM version_history_sync_runs WHERE repo_key=$1 AND status='completed' AND complete))`, config.VersionHistoryRepo, *info.CommitSHA, info.DisplayVersion, kind, evidence).Scan(&ready)
	if e != nil {
		return printVersionStatus(false, "database_unavailable", *info.CommitSHA)
	}
	if !ready {
		return printVersionStatus(false, "version_record_pending", *info.CommitSHA)
	}
	return printVersionStatus(true, "verified", *info.CommitSHA)
}
func printVersionStatus(ready bool, code, sha string) int {
	raw, _ := json.Marshal(map[string]any{"ready": ready, "code": code, "commit_sha": sha})
	fmt.Fprintln(os.Stdout, string(raw))
	if ready {
		return 0
	}
	return 1
}