// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.31.1
// source: posts.sql

package sqlc

import (
	"context"
	"database/sql"
)

const createPost = `-- name: CreatePost :exec
INSERT INTO posts (
  id, parent_id, author_id, title, body, city, post_date, hidden, created_at, updated_at
)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
`

type CreatePostParams struct {
	ID        string
	ParentID  sql.NullString
	AuthorID  string
	Title     string
	Body      string
	City      string
	PostDate  string
	Hidden    int32
	CreatedAt string
	UpdatedAt string
}

func (q *Queries) CreatePost(ctx context.Context, arg CreatePostParams) error {
	_, err := q.db.ExecContext(ctx, createPost,
		arg.ID,
		arg.ParentID,
		arg.AuthorID,
		arg.Title,
		arg.Body,
		arg.City,
		arg.PostDate,
		arg.Hidden,
		arg.CreatedAt,
		arg.UpdatedAt,
	)
	return err
}

const deletePostVote = `-- name: DeletePostVote :exec
DELETE FROM post_votes
WHERE user_id = $1 AND post_id = $2
`

type DeletePostVoteParams struct {
	UserID string
	PostID string
}

func (q *Queries) DeletePostVote(ctx context.Context, arg DeletePostVoteParams) error {
	_, err := q.db.ExecContext(ctx, deletePostVote, arg.UserID, arg.PostID)
	return err
}

const getPost = `-- name: GetPost :one
SELECT
  p.id, p.parent_id, p.author_id, u.name AS author_name, u.role AS author_role,
  p.title, p.body, p.city, p.post_date, p.hidden, p.created_at, p.updated_at
FROM posts p
JOIN users u ON u.id = p.author_id
WHERE p.id = $1
`

type GetPostRow struct {
	ID         string
	ParentID   sql.NullString
	AuthorID   string
	AuthorName string
	AuthorRole string
	Title      string
	Body       string
	City       string
	PostDate   string
	Hidden     int32
	CreatedAt  string
	UpdatedAt  string
}

func (q *Queries) GetPost(ctx context.Context, id string) (GetPostRow, error) {
	row := q.db.QueryRowContext(ctx, getPost, id)
	var i GetPostRow
	err := row.Scan(
		&i.ID,
		&i.ParentID,
		&i.AuthorID,
		&i.AuthorName,
		&i.AuthorRole,
		&i.Title,
		&i.Body,
		&i.City,
		&i.PostDate,
		&i.Hidden,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const listPostThread = `-- name: ListPostThread :many
WITH RECURSIVE thread AS (
  SELECT p.id, p.parent_id, p.author_id, p.title, p.body, p.city, p.post_date, p.hidden, p.created_at, p.updated_at
  FROM posts p
  WHERE p.id = $1 AND p.parent_id IS NULL

  UNION ALL

  SELECT child.id, child.parent_id, child.author_id, child.title, child.body, child.city, child.post_date, child.hidden, child.created_at, child.updated_at
  FROM posts child
  JOIN thread parent ON child.parent_id = parent.id
)
SELECT
  thread.id, thread.parent_id, thread.author_id,
  u.name AS author_name, u.role AS author_role,
  thread.title, thread.body, thread.city, thread.post_date,
  thread.hidden, thread.created_at, thread.updated_at
FROM thread
JOIN users u ON u.id = thread.author_id
ORDER BY thread.created_at, thread.id
`

type ListPostThreadRow struct {
	ID         string
	ParentID   sql.NullString
	AuthorID   string
	AuthorName string
	AuthorRole string
	Title      string
	Body       string
	City       string
	PostDate   string
	Hidden     int32
	CreatedAt  string
	UpdatedAt  string
}

func (q *Queries) ListPostThread(ctx context.Context, id string) ([]ListPostThreadRow, error) {
	rows, err := q.db.QueryContext(ctx, listPostThread, id)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []ListPostThreadRow{}
	for rows.Next() {
		var i ListPostThreadRow
		if err := rows.Scan(
			&i.ID,
			&i.ParentID,
			&i.AuthorID,
			&i.AuthorName,
			&i.AuthorRole,
			&i.Title,
			&i.Body,
			&i.City,
			&i.PostDate,
			&i.Hidden,
			&i.CreatedAt,
			&i.UpdatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listRootPosts = `-- name: ListRootPosts :many
WITH RECURSIVE roots AS (
  SELECT p.id, p.parent_id, p.author_id, p.title, p.body, p.city, p.post_date, p.hidden, p.created_at, p.updated_at
  FROM posts p
  WHERE p.parent_id IS NULL
    AND p.post_date = $3
    AND p.hidden = 0
),
thread AS (
  SELECT roots.id AS root_id, roots.id AS post_id, roots.author_id
  FROM roots

  UNION ALL

  SELECT thread.root_id, child.id, child.author_id
  FROM thread
  JOIN posts child ON child.parent_id = thread.post_id
),
answered AS (
  SELECT thread.root_id, bool_or(u.role = 'admin' AND thread.post_id <> thread.root_id) AS answered
  FROM thread
  JOIN users u ON u.id = thread.author_id
  GROUP BY thread.root_id
),
scores AS (
  SELECT post_id, COALESCE(SUM(value), 0)::bigint AS score
  FROM post_votes
  GROUP BY post_id
)
SELECT
  roots.id, roots.parent_id, roots.author_id,
  u.name AS author_name, u.role AS author_role,
  roots.title, roots.body, roots.city, roots.post_date,
  roots.hidden, roots.created_at, roots.updated_at,
  COALESCE(scores.score, 0)::bigint AS score,
  COALESCE(answered.answered, false)::bool AS answered,
  COALESCE((
    SELECT post_votes.value
    FROM post_votes
    WHERE post_votes.user_id = $1
      AND post_votes.post_id = roots.id
  ), 0)::bigint AS user_vote
FROM roots
JOIN users u ON u.id = roots.author_id
LEFT JOIN scores ON scores.post_id = roots.id
LEFT JOIN answered ON answered.root_id = roots.id
ORDER BY score DESC, roots.created_at, roots.id
LIMIT $2
`

type ListRootPostsParams struct {
	ViewerID string
	RowLimit int32
	PostDate string
}

type ListRootPostsRow struct {
	ID         string
	ParentID   sql.NullString
	AuthorID   string
	AuthorName string
	AuthorRole string
	Title      string
	Body       string
	City       string
	PostDate   string
	Hidden     int32
	CreatedAt  string
	UpdatedAt  string
	Score      int64
	Answered   bool
	UserVote   int64
}

func (q *Queries) ListRootPosts(ctx context.Context, arg ListRootPostsParams) ([]ListRootPostsRow, error) {
	rows, err := q.db.QueryContext(ctx, listRootPosts, arg.ViewerID, arg.RowLimit, arg.PostDate)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []ListRootPostsRow{}
	for rows.Next() {
		var i ListRootPostsRow
		if err := rows.Scan(
			&i.ID,
			&i.ParentID,
			&i.AuthorID,
			&i.AuthorName,
			&i.AuthorRole,
			&i.Title,
			&i.Body,
			&i.City,
			&i.PostDate,
			&i.Hidden,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.Score,
			&i.Answered,
			&i.UserVote,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const postIsVisibleRoot = `-- name: PostIsVisibleRoot :one
SELECT EXISTS(
  SELECT 1
  FROM posts
  WHERE id = $1 AND parent_id IS NULL AND hidden = 0
)::bool
`

func (q *Queries) PostIsVisibleRoot(ctx context.Context, id string) (bool, error) {
	row := q.db.QueryRowContext(ctx, postIsVisibleRoot, id)
	var column_1 bool
	err := row.Scan(&column_1)
	return column_1, err
}

const updatePost = `-- name: UpdatePost :execrows
UPDATE posts
SET body = $2, updated_at = $3
WHERE id = $1
`

type UpdatePostParams struct {
	ID        string
	Body      string
	UpdatedAt string
}

func (q *Queries) UpdatePost(ctx context.Context, arg UpdatePostParams) (int64, error) {
	result, err := q.db.ExecContext(ctx, updatePost, arg.ID, arg.Body, arg.UpdatedAt)
	if err != nil {
		return 0, err
	}
	return result.RowsAffected()
}

const upsertPostVoteOnVisibleRoot = `-- name: UpsertPostVoteOnVisibleRoot :execrows
INSERT INTO post_votes (user_id, post_id, value)
SELECT $1, $2, $3
FROM posts p
WHERE p.id = $2 AND p.parent_id IS NULL AND p.hidden = 0
ON CONFLICT (user_id, post_id) DO UPDATE
SET value = excluded.value
WHERE EXISTS (
  SELECT 1
  FROM posts p2
  WHERE p2.id = excluded.post_id AND p2.parent_id IS NULL AND p2.hidden = 0
)
`

type UpsertPostVoteOnVisibleRootParams struct {
	UserID string
	PostID string
	Value  int32
}

func (q *Queries) UpsertPostVoteOnVisibleRoot(ctx context.Context, arg UpsertPostVoteOnVisibleRootParams) (int64, error) {
	result, err := q.db.ExecContext(ctx, upsertPostVoteOnVisibleRoot, arg.UserID, arg.PostID, arg.Value)
	if err != nil {
		return 0, err
	}
	return result.RowsAffected()
}