// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.28.0
// source: note_versions.sql

package data

import (
	"context"
	"time"

	"github.com/google/uuid"
)

const createNoteVersion = `-- name: CreateNoteVersion :exec
WITH potential_duplicate AS (
    SELECT version_number
    FROM note_versions
    WHERE
        note_id = $1
        AND content_hash = $2
    ORDER BY version_number DESC
    LIMIT 1
),
note_update AS (
    UPDATE notes
    SET
        current_version = COALESCE(
            (SELECT version_number FROM potential_duplicate),
            latest_version + 1 -- increment only if we don't jump into a historical version
        ),
        latest_version = CASE
            WHEN (SELECT version_number FROM potential_duplicate) IS NULL
            THEN latest_version + 1
            ELSE latest_version
        END,
        updated_at = NOW()
    WHERE id = $1
    RETURNING current_version, latest_version
)
INSERT INTO note_versions (
    note_id, title, content, version_number, content_hash
)
SELECT
    $1, -- note_id
    $3, -- title
    $4, -- content
    current_version,
    $2 -- content_hash
FROM note_update
WHERE NOT EXISTS (SELECT 1 FROM potential_duplicate)
`

type CreateNoteVersionParams struct {
	NoteID      uuid.UUID `json:"note_id"`
	ContentHash string    `json:"content_hash"`
	Title       string    `json:"title"`
	Content     string    `json:"content"`
}

func (q *Queries) CreateNoteVersion(ctx context.Context, arg CreateNoteVersionParams) error {
	_, err := q.db.Exec(ctx, createNoteVersion,
		arg.NoteID,
		arg.ContentHash,
		arg.Title,
		arg.Content,
	)
	return err
}

const getVersion = `-- name: GetVersion :one
SELECT
    id AS version_id,
    title,
    content,
    version_number,
    created_at
FROM note_versions
WHERE note_id = $1 AND id = $2
`

type GetVersionParams struct {
	NoteID uuid.UUID `json:"note_id"`
	ID     uuid.UUID `json:"id"`
}

type GetVersionRow struct {
	VersionID     uuid.UUID  `json:"version_id"`
	Title         string     `json:"title"`
	Content       string     `json:"content"`
	VersionNumber int32      `json:"version_number"`
	CreatedAt     *time.Time `json:"created_at"`
}

func (q *Queries) GetVersion(ctx context.Context, arg GetVersionParams) (GetVersionRow, error) {
	row := q.db.QueryRow(ctx, getVersion, arg.NoteID, arg.ID)
	var i GetVersionRow
	err := row.Scan(
		&i.VersionID,
		&i.Title,
		&i.Content,
		&i.VersionNumber,
		&i.CreatedAt,
	)
	return i, err
}

const getVersionHistory = `-- name: GetVersionHistory :many
SELECT 
    id AS version_id,
    title,
    version_number,
    created_at
FROM note_versions
WHERE note_id = $1
ORDER BY version_number DESC
LIMIT $2 OFFSET $3
`

type GetVersionHistoryParams struct {
	NoteID uuid.UUID `json:"note_id"`
	Limit  int32     `json:"limit"`
	Offset int32     `json:"offset"`
}

type GetVersionHistoryRow struct {
	VersionID     uuid.UUID  `json:"version_id"`
	Title         string     `json:"title"`
	VersionNumber int32      `json:"version_number"`
	CreatedAt     *time.Time `json:"created_at"`
}

func (q *Queries) GetVersionHistory(ctx context.Context, arg GetVersionHistoryParams) ([]GetVersionHistoryRow, error) {
	rows, err := q.db.Query(ctx, getVersionHistory, arg.NoteID, arg.Limit, arg.Offset)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetVersionHistoryRow
	for rows.Next() {
		var i GetVersionHistoryRow
		if err := rows.Scan(
			&i.VersionID,
			&i.Title,
			&i.VersionNumber,
			&i.CreatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}