-- content

create unique index concurrently content_pkey on content(sha1);
create unique index concurrently on content(sha1_git);
create index concurrently on content(sha256);
create index concurrently on content(blake2s256);
create index concurrently on content(ctime);  -- TODO use a BRIN index here (postgres >= 9.5)
create unique index concurrently on content(object_id);

alter table content add primary key using index content_pkey;


-- entity_history

create unique index concurrently entity_history_pkey on entity_history(id);
create index concurrently on entity_history(uuid);
create index concurrently on entity_history(name);

alter table entity_history add primary key using index entity_history_pkey;

-- entity

create unique index concurrently entity_pkey on entity(uuid);

create index concurrently on entity(name);
create index concurrently on entity using gin(lister_metadata jsonb_path_ops);

alter table entity add primary key using index entity_pkey;
alter table entity add constraint entity_parent_fkey foreign key (parent) references entity(uuid) deferrable initially deferred not valid;
alter table entity validate constraint entity_parent_fkey;
alter table entity add constraint entity_last_id_fkey foreign key (last_id) references entity_history(id) not valid;
alter table entity validate constraint entity_last_id_fkey;

-- entity_equivalence

create unique index concurrently entity_equivalence_pkey on entity_equivalence(entity1, entity2);
alter table entity_equivalence add primary key using index entity_equivalence_pkey;


alter table entity_equivalence add constraint "entity_equivalence_entity1_fkey" foreign key (entity1) references entity(uuid) not valid;
alter table entity_equivalence validate constraint entity_equivalence_entity1_fkey;
alter table entity_equivalence add constraint "entity_equivalence_entity2_fkey" foreign key (entity2) references entity(uuid) not valid;
alter table entity_equivalence validate constraint entity_equivalence_entity2_fkey;
alter table entity_equivalence add constraint "order_entities" check (entity1 < entity2) not valid;
alter table entity_equivalence validate constraint order_entities;

-- listable_entity

create unique index concurrently listable_entity_pkey on listable_entity(uuid);
alter table listable_entity add primary key using index listable_entity_pkey;

alter table listable_entity add constraint listable_entity_uuid_fkey foreign key (uuid) references entity(uuid) not valid;
alter table listable_entity validate constraint listable_entity_uuid_fkey;

-- list_history

create unique index concurrently list_history_pkey on list_history(id);
alter table list_history add primary key using index list_history_pkey;

alter table list_history add constraint list_history_entity_fkey foreign key (entity) references listable_entity(uuid) not valid;
alter table list_history validate constraint list_history_entity_fkey;

-- origin
create unique index concurrently origin_pkey on origin(id);
alter table origin add primary key using index origin_pkey;

create index concurrently on origin(type, url);

alter table origin add constraint origin_lister_fkey foreign key (lister) references listable_entity(uuid) not valid;
alter table origin validate constraint origin_lister_fkey;

alter table origin add constraint origin_project_fkey foreign key (project) references entity(uuid) not valid;
alter table origin validate constraint origin_project_fkey;

-- skipped_content

alter table skipped_content add constraint skipped_content_sha1_sha1_git_sha256_key unique (sha1, sha1_git, sha256);

create index concurrently on skipped_content(sha1);
create index concurrently on skipped_content(sha1_git);
create index concurrently on skipped_content(sha256);
create index concurrently on skipped_content(blake2s256);
create unique index concurrently on skipped_content(object_id);

alter table skipped_content add constraint skipped_content_origin_fkey foreign key (origin) references origin(id) not valid;
alter table skipped_content validate constraint skipped_content_origin_fkey;

-- fetch_history

create unique index concurrently fetch_history_pkey on fetch_history(id);
alter table fetch_history add primary key using index fetch_history_pkey;

alter table fetch_history add constraint fetch_history_origin_fkey foreign key (origin) references origin(id) not valid;
alter table fetch_history validate constraint fetch_history_origin_fkey;

-- directory

create unique index concurrently directory_pkey on directory(id);
alter table directory add primary key using index directory_pkey;

create index concurrently on directory using gin (dir_entries);
create index concurrently on directory using gin (file_entries);
create index concurrently on directory using gin (rev_entries);
create unique index concurrently on directory(object_id);

-- directory_entry_dir

create unique index concurrently directory_entry_dir_pkey on directory_entry_dir(id);
alter table directory_entry_dir add primary key using index directory_entry_dir_pkey;

create unique index concurrently on directory_entry_dir(target, name, perms);

-- directory_entry_file

create unique index concurrently directory_entry_file_pkey on directory_entry_file(id);
alter table directory_entry_file add primary key using index directory_entry_file_pkey;

create unique index concurrently on directory_entry_file(target, name, perms);

-- directory_entry_rev

create unique index concurrently directory_entry_rev_pkey on directory_entry_rev(id);
alter table directory_entry_rev add primary key using index directory_entry_rev_pkey;

create unique index concurrently on directory_entry_rev(target, name, perms);

-- person
create unique index concurrently person_pkey on person(id);
alter table person add primary key using index person_pkey;

create unique index concurrently on person(fullname);
create index concurrently on person(name);
create index concurrently on person(email);

-- revision
create unique index concurrently revision_pkey on revision(id);
alter table revision add primary key using index revision_pkey;

alter table revision add constraint revision_author_fkey foreign key (author) references person(id) not valid;
alter table revision validate constraint revision_author_fkey;
alter table revision add constraint revision_committer_fkey foreign key (committer) references person(id) not valid;
alter table revision validate constraint revision_committer_fkey;

create index concurrently on revision(directory);
create unique index concurrently on revision(object_id);

-- revision_history
create unique index concurrently revision_history_pkey on revision_history(id, parent_rank);
alter table revision_history add primary key using index revision_history_pkey;

create index concurrently on revision_history(parent_id);

alter table revision_history add constraint revision_history_id_fkey foreign key (id) references revision(id) not valid;
alter table revision_history validate constraint revision_history_id_fkey;

-- snapshot
create unique index concurrently snapshot_pkey on snapshot(object_id);
alter table snapshot add primary key using index snapshot_pkey;

create unique index concurrently on snapshot(id);

-- snapshot_branch
create unique index concurrently snapshot_branch_pkey on snapshot_branch(object_id);
alter table snapshot_branch add primary key using index snapshot_branch_pkey;

create unique index concurrently on snapshot_branch (target_type, target, name);
alter table snapshot_branch add constraint snapshot_branch_target_check check ((target_type is null) = (target is null)) not valid;
alter table snapshot_branch validate constraint snapshot_branch_target_check;
alter table snapshot_branch add constraint snapshot_target_check check (target_type not in ('content', 'directory', 'revision', 'release', 'snapshot') or length(target) = 20) not valid;
alter table snapshot_branch validate constraint snapshot_target_check;

create unique index concurrently on snapshot_branch (name) where target_type is null and target is null;

-- snapshot_branches
create unique index concurrently snapshot_branches_pkey on snapshot_branches(snapshot_id, branch_id);
alter table snapshot_branches add primary key using index snapshot_branches_pkey;

alter table snapshot_branches add constraint snapshot_branches_snapshot_id_fkey foreign key (snapshot_id) references snapshot(object_id) not valid;
alter table snapshot_branches validate constraint snapshot_branches_snapshot_id_fkey;

alter table snapshot_branches add constraint snapshot_branches_branch_id_fkey foreign key (branch_id) references snapshot_branch(object_id) not valid;
alter table snapshot_branches validate constraint snapshot_branches_branch_id_fkey;

-- origin_visit
create unique index concurrently origin_visit_pkey on origin_visit(origin, visit);
alter table origin_visit add primary key using index origin_visit_pkey;

create index concurrently on origin_visit(date);

alter table origin_visit add constraint origin_visit_origin_fkey foreign key (origin) references origin(id) not valid;
alter table origin_visit validate constraint origin_visit_origin_fkey;

alter table origin_visit add constraint origin_visit_snapshot_id_fkey foreign key (snapshot_id) references snapshot(object_id) not valid;
alter table origin_visit validate constraint origin_visit_snapshot_id_fkey;

-- occurrence_history
create unique index concurrently occurrence_history_pkey on occurrence_history(object_id);
alter table occurrence_history add primary key using index occurrence_history_pkey;

create index concurrently on occurrence_history(target, target_type);
create index concurrently on occurrence_history(origin, branch);
create unique index concurrently on occurrence_history(origin, branch, target, target_type);

alter table occurrence_history add constraint occurrence_history_origin_fkey foreign key (origin) references origin(id) not valid;
alter table occurrence_history validate constraint occurrence_history_origin_fkey;

-- occurrence
create unique index concurrently occurrence_pkey on occurrence(origin, branch);
alter table occurrence add primary key using index occurrence_pkey;

alter table occurrence add constraint occurrence_origin_fkey foreign key (origin) references origin(id) not valid;
alter table occurrence validate constraint occurrence_origin_fkey;

-- release
create unique index concurrently release_pkey on release(id);
alter table release add primary key using index release_pkey;

create index concurrently on release(target, target_type);
create unique index concurrently on release(object_id);

alter table release add constraint release_author_fkey foreign key (author) references person(id) not valid;
alter table release validate constraint release_author_fkey;

-- tool
create unique index tool_pkey on tool(id);
alter table tool add primary key using index tool_pkey;

create unique index on tool(name, version, configuration);

-- metadata_provider
create unique index concurrently metadata_provider_pkey on metadata_provider(id);
alter table metadata_provider add primary key using index metadata_provider_pkey;

create index concurrently on metadata_provider(provider_name, provider_url);

-- origin_metadata
create unique index concurrently origin_metadata_pkey on origin_metadata(id);
alter table origin_metadata add primary key using index origin_metadata_pkey;

create index concurrently on origin_metadata(origin_id, provider_id, tool_id);

alter table origin_metadata add constraint origin_metadata_origin_fkey foreign key (origin_id) references origin(id) not valid;
alter table origin_metadata validate constraint origin_metadata_origin_fkey;

alter table origin_metadata add constraint origin_metadata_provider_fkey foreign key (provider_id) references metadata_provider(id) not valid;
alter table origin_metadata validate constraint origin_metadata_provider_fkey;

alter table origin_metadata add constraint origin_metadata_tool_fkey foreign key (tool_id) references tool(id) not valid;
alter table origin_metadata validate constraint origin_metadata_tool_fkey;

-- object_counts
create unique index concurrently object_counts_pkey on object_counts(object_type);
alter table object_counts add primary key using index object_counts_pkey;

-- object_counts_bucketed
create unique index concurrently object_counts_bucketed_pkey on object_counts_bucketed(line);
alter table object_counts_bucketed add primary key using index object_counts_bucketed_pkey;