-- Queries behind the public campaign pages.
--
-- The raised amount and the backer count are derived from the pledge rows on
-- every read and stored nowhere, which is why each of these carries the
-- counted-status list as a parameter rather than reading a column.

-- name: ListCampaigns :many
SELECT c.slug, c.title, c.category, c.summary, c.art,
       o.name, o.initials, o.location, o.blurb,
       COALESCE(o.avatar_url, '') AS avatar_url,
       c.goal_amount, c.ends_at, c.status::text AS status,
       COALESCE(p.total, 0)::int AS raised,
       COALESCE(p.backers, 0)::int AS backers
FROM campaigns c
JOIN owners o ON o.id = c.owner_id
LEFT JOIN (
    SELECT campaign_id, SUM(amount) AS total, COUNT(*) AS backers
    FROM pledges
    WHERE status = ANY(@counted::pledge_status[])
    GROUP BY campaign_id
) p ON p.campaign_id = c.id
WHERE c.status = ANY(@public::campaign_status[])
ORDER BY c.status ASC, c.ends_at ASC;

-- name: GetCampaignBySlug :one
SELECT c.id, c.slug, c.title, c.category, c.summary, c.art,
       o.name, o.initials, o.location, o.blurb,
       COALESCE(o.avatar_url, '') AS avatar_url,
       c.goal_amount, c.ends_at, c.status::text AS status,
       COALESCE(p.total, 0)::int AS raised,
       COALESCE(p.backers, 0)::int AS backers,
       (SELECT COUNT(*) FROM campaign_updates u WHERE u.campaign_id = c.id)::int AS updates,
       (SELECT COUNT(*) FROM comments m WHERE m.campaign_id = c.id)::int AS comments
FROM campaigns c
JOIN owners o ON o.id = c.owner_id
LEFT JOIN (
    SELECT campaign_id, SUM(amount) AS total, COUNT(*) AS backers
    FROM pledges
    WHERE status = ANY(@counted::pledge_status[])
    GROUP BY campaign_id
) p ON p.campaign_id = c.id
WHERE c.slug = @slug AND c.status = ANY(@public::campaign_status[]);

-- name: ListTiers :many
SELECT t.id, t.type::text AS type, t.price, t.list_price, t.title, t.includes,
       t.inventory_limit, t.estimated_delivery, t.featured,
       COALESCE(p.backers, 0)::int AS backers
FROM reward_tiers t
LEFT JOIN (
    SELECT pl.tier_id, COUNT(*) AS backers
    FROM pledges pl
    WHERE pl.campaign_id = @campaign_id
      AND pl.status = ANY(@counted::pledge_status[])
    GROUP BY pl.tier_id
) p ON p.tier_id = t.id
WHERE t.campaign_id = @campaign_id
ORDER BY t.position ASC;

-- name: ListStorySections :many
SELECT heading, body
FROM story_sections
WHERE campaign_id = @campaign_id
ORDER BY position ASC;

-- name: PlatformStats :one
SELECT (SELECT COUNT(*) FROM campaigns WHERE status = 'AKTIV')::int AS active_count,
       (SELECT COUNT(*) FROM pledges
         WHERE status = ANY(@counted::pledge_status[]))::int AS backers;