package store

// import (
// 	"context"
// 	"fmt"
// 	"strings"
// 	"time"

// 	"git.warky.dev/wdevs/amcs/internal/generatedmodels"
// 	ext "git.warky.dev/wdevs/amcs/internal/types"
// )

// func (db *DB) AddMaintenanceTask(ctx context.Context, t ext.MaintenanceTask) (ext.MaintenanceTask, error) {
// 	row := db.pool.QueryRow(ctx, `
// 		insert into maintenance_tasks (name, category, frequency_days, next_due, priority, notes)
// 		values ($1, $2, $3, $4, $5, $6)
// 		returning id, created_at, updated_at
// 	`, t.Name, nullStr(t.Category), t.FrequencyDays, t.NextDue, t.Priority, nullStr(t.Notes))

// 	created := t
// 	var model generatedmodels.ModelPublicMaintenanceTasks
// 	if err := row.Scan(&model.ID, &model.CreatedAt, &model.UpdatedAt); err != nil {
// 		return ext.MaintenanceTask{}, fmt.Errorf("insert maintenance task: %w", err)
// 	}
// 	created.ID = model.ID.UUID()
// 	created.CreatedAt = model.CreatedAt.Time()
// 	created.UpdatedAt = model.UpdatedAt.Time()
// 	return created, nil
// }

// func (db *DB) LogMaintenance(ctx context.Context, log ext.MaintenanceLog) (ext.MaintenanceLog, error) {
// 	completedAt := log.CompletedAt
// 	if completedAt.IsZero() {
// 		completedAt = time.Now()
// 	}

// 	row := db.pool.QueryRow(ctx, `
// 		insert into maintenance_logs (task_id, completed_at, performed_by, cost, notes, next_action)
// 		values ($1, $2, $3, $4, $5, $6)
// 		returning id
// 	`, log.TaskID, completedAt, nullStr(log.PerformedBy), log.Cost, nullStr(log.Notes), nullStr(log.NextAction))

// 	created := log
// 	created.CompletedAt = completedAt
// 	var model generatedmodels.ModelPublicMaintenanceLogs
// 	if err := row.Scan(&model.ID); err != nil {
// 		return ext.MaintenanceLog{}, fmt.Errorf("insert maintenance log: %w", err)
// 	}
// 	created.ID = model.ID.UUID()
// 	return created, nil
// }

// func (db *DB) GetUpcomingMaintenance(ctx context.Context, daysAhead int) ([]ext.MaintenanceTask, error) {
// 	if daysAhead <= 0 {
// 		daysAhead = 30
// 	}
// 	cutoff := time.Now().Add(time.Duration(daysAhead) * 24 * time.Hour)

// 	rows, err := db.pool.Query(ctx, `
// 		select id, name, category, frequency_days, last_completed, next_due, priority, notes, created_at, updated_at
// 		from maintenance_tasks
// 		where next_due <= $1 or next_due is null
// 		order by next_due asc nulls last, priority desc
// 	`, cutoff)
// 	if err != nil {
// 		return nil, fmt.Errorf("get upcoming maintenance: %w", err)
// 	}
// 	defer rows.Close()

// 	tasks := make([]ext.MaintenanceTask, 0)
// 	for rows.Next() {
// 		var model generatedmodels.ModelPublicMaintenanceTasks
// 		if err := rows.Scan(&model.ID, &model.Name, &model.Category, &model.FrequencyDays, &model.LastCompleted, &model.NextDue, &model.Priority, &model.Notes, &model.CreatedAt, &model.UpdatedAt); err != nil {
// 			return nil, fmt.Errorf("scan maintenance task: %w", err)
// 		}
// 		tasks = append(tasks, maintenanceTaskFromModel(model))
// 	}
// 	return tasks, rows.Err()
// }

// func (db *DB) SearchMaintenanceHistory(ctx context.Context, query, category string, start, end *time.Time) ([]ext.MaintenanceLogWithTask, error) {
// 	args := []any{}
// 	conditions := []string{}

// 	if q := strings.TrimSpace(query); q != "" {
// 		args = append(args, "%"+q+"%")
// 		conditions = append(conditions, fmt.Sprintf("(mt.name ILIKE $%d OR ml.notes ILIKE $%d)", len(args), len(args)))
// 	}
// 	if c := strings.TrimSpace(category); c != "" {
// 		args = append(args, c)
// 		conditions = append(conditions, fmt.Sprintf("mt.category = $%d", len(args)))
// 	}
// 	if start != nil {
// 		args = append(args, *start)
// 		conditions = append(conditions, fmt.Sprintf("ml.completed_at >= $%d", len(args)))
// 	}
// 	if end != nil {
// 		args = append(args, *end)
// 		conditions = append(conditions, fmt.Sprintf("ml.completed_at <= $%d", len(args)))
// 	}

// 	q := `
// 		select ml.id, ml.task_id, ml.completed_at, ml.performed_by, ml.cost, ml.notes, ml.next_action,
// 		       mt.name, mt.category
// 		from maintenance_logs ml
// 		join maintenance_tasks mt on mt.id = ml.task_id
// 	`
// 	if len(conditions) > 0 {
// 		q += " where " + strings.Join(conditions, " and ")
// 	}
// 	q += " order by ml.completed_at desc"

// 	rows, err := db.pool.Query(ctx, q, args...)
// 	if err != nil {
// 		return nil, fmt.Errorf("search maintenance history: %w", err)
// 	}
// 	defer rows.Close()

// 	var logs []ext.MaintenanceLogWithTask
// 	for rows.Next() {
// 		var model generatedmodels.ModelPublicMaintenanceLogs
// 		var taskName, taskCategory string
// 		if err := rows.Scan(
// 			&model.ID, &model.TaskID, &model.CompletedAt, &model.PerformedBy, &model.Cost, &model.Notes, &model.NextAction,
// 			&taskName, &taskCategory,
// 		); err != nil {
// 			return nil, fmt.Errorf("scan maintenance log: %w", err)
// 		}
// 		l := ext.MaintenanceLogWithTask{
// 			MaintenanceLog: maintenanceLogFromModel(model),
// 			TaskName:       taskName,
// 			TaskCategory:   taskCategory,
// 		}
// 		logs = append(logs, l)
// 	}
// 	return logs, rows.Err()
// }