package postgres

import (
	"context"
	"encoding/json"
	"errors"
	"time"
)

type SourceAuditItem struct {
	ID           string    `json:"id"`
	ConnectionID string    `json:"connection_id"`
	SourceName   string    `json:"source_name"`
	Action       string    `json:"action"`
	Actor        string    `json:"actor"`
	CreatedAt    time.Time `json:"created_at"`
	Detail       string    `json:"detail"`
}
type SourceAuditPage struct {
	Items  []SourceAuditItem `json:"items"`
	Total  int               `json:"total"`
	Limit  int               `json:"limit"`
	Offset int               `json:"offset"`
}

func (s *Store) ListSourceAudit(ctx context.Context, limit, offset int) (SourceAuditPage, error) {
	if limit < 1 || limit > 100 || offset < 0 {
		return SourceAuditPage{}, errors.New("invalid audit pagination")
	}
	var raw []byte
	err := s.db.QueryRow(ctx, `SELECT jsonb_build_object('total',(SELECT count(*) FROM source_configuration_events),'limit',$1::int,'offset',$2::int,'items',COALESCE((SELECT jsonb_agg(to_jsonb(e) ORDER BY e.created_at DESC,e.sort_id DESC) FROM (SELECT id::text AS id,id AS sort_id,connection_id,source_name,action,actor,created_at,detail FROM source_configuration_events ORDER BY created_at DESC,id DESC LIMIT $1 OFFSET $2) e),'[]'::jsonb))`, limit, offset).Scan(&raw)
	if err != nil {
		return SourceAuditPage{}, err
	}
	var page SourceAuditPage
	err = json.Unmarshal(raw, &page)
	return page, err
}