start transaction;

drop view if exists bodega_egresos cascade;
drop view if exists bodega_ingresos cascade;
drop view if exists bodega_movimientos cascade;
drop view if exists bodega_actual cascade;

drop table if exists usuarios_restaurantes cascade;
drop table if exists productores cascade;
drop table if exists recetas cascade;
drop table if exists facturas cascade;
drop table if exists compra_ingredientes cascade;
drop table if exists ingredientes cascade;
drop table if exists compras cascade;
drop table if exists proveedores cascade;
drop table if exists efectivos cascade;
drop table if exists boletas_electronicas cascade;
drop table if exists boletas_exentas cascade;
drop table if exists venta_productos cascade;
drop table if exists productos cascade;
drop table if exists categorias cascade;
drop table if exists zonas_produccion cascade;
drop table if exists ventas cascade;
drop table if exists usuarios cascade;
drop table if exists canales_venta cascade;
drop table if exists sectores cascade;
drop table if exists restaurantes cascade;
drop table if exists tipos_canal cascade;
drop table if exists medios_pago cascade;
drop table if exists cajas cascade;
drop table if exists estados_produccion cascade;

create table restaurantes
(
    id         uuid primary key     default gen_random_uuid(),
    nombre     text        not null,
    created_at timestamptz not null default current_timestamp,
    updated_at timestamptz not null default current_timestamp,
    deleted_at timestamptz
);

create table categorias
(
    id             uuid primary key     default gen_random_uuid(),
    nombre         text        not null,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table zonas_produccion
(
    id             uuid primary key     default gen_random_uuid(),
    nombre         text        not null,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table usuarios
(
    id         uuid primary key     default gen_random_uuid(),
    auth0_id   text        not null,
    nombre     text        not null,
    created_at timestamptz not null default current_timestamp,
    updated_at timestamptz not null default current_timestamp,
    deleted_at timestamptz
);

create table usuarios_restaurantes
(
    usuario_id     uuid references usuarios,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz,
    primary key (usuario_id, restaurante_id)
);

create table productores
(
    id                 uuid primary key     default gen_random_uuid(),
    usuario_id         uuid references usuarios,
    zona_produccion_id uuid references zonas_produccion,
    created_at         timestamptz not null default current_timestamp,
    updated_at         timestamptz not null default current_timestamp,
    deleted_at         timestamptz
);

create table ingredientes
(
    id             uuid primary key     default gen_random_uuid(),
    nombre         text        not null,
    medida         text        not null,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table productos
(
    id                 uuid primary key     default gen_random_uuid(),
    nombre             text        not null,
    precio_venta       bigint      not null,
    categoria_id       uuid references categorias,
    zona_produccion_id uuid references zonas_produccion,
    restaurante_id     uuid references restaurantes,
    created_at         timestamptz not null default current_timestamp,
    updated_at         timestamptz not null default current_timestamp,
    deleted_at         timestamptz
);

create table recetas
(
    id             uuid primary key     default gen_random_uuid(),
    producto_id    uuid references productos,
    ingrediente_id uuid references ingredientes,
    unidades       numeric     not null,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz,
    primary key (producto_id, ingrediente_id)
);

create table proveedores
(
    id             uuid primary key     default gen_random_uuid(),
    rut            text        not null,
    nombre         text        not null,
    descripcion    text        not null,
    direccion      text        null,
    telefono       text        null,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table compras
(
    id             uuid primary key     default gen_random_uuid(),
    fecha_compra   date        not null,
    en_arqueo      bool        not null default true,
    proveedor_id   uuid references proveedores,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table facturas
(
    id          uuid primary key     default gen_random_uuid(),
    numero      text        not null,
    monto_bruto bigint      not null,
    compra_id   uuid references compras,
    created_at  timestamptz not null default current_timestamp,
    updated_at  timestamptz not null default current_timestamp,
    deleted_at  timestamptz
);

create table compra_ingredientes
(
    id             uuid primary key     default gen_random_uuid(),
    unidades       numeric     not null,
    monto_unitario bigint      not null,
    compra_id      uuid references compras,
    ingrediente_id uuid references ingredientes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table sectores
(
    id             uuid primary key     default gen_random_uuid(),
    nombre         text        not null,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table tipos_canal
(
    id         uuid primary key     default gen_random_uuid(),
    nombre     text        not null,
    created_at timestamptz not null default current_timestamp,
    updated_at timestamptz not null default current_timestamp,
    deleted_at timestamptz
);

create table canales_venta
(
    id             uuid primary key     default gen_random_uuid(),
    nombre         text        not null,
    sector_id      uuid references sectores,
    tipo_canal_id  uuid references tipos_canal,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table medios_pago
(
    id         uuid primary key     default gen_random_uuid(),
    nombre     text        not null,
    created_at timestamptz not null default current_timestamp,
    updated_at timestamptz not null default current_timestamp,
    deleted_at timestamptz
);

create table cajas
(
    id         uuid primary key     default gen_random_uuid(),
    fondo      bigint      not null,
    apertura   timestamptz not null,
    cierre     timestamptz,
    created_at timestamptz not null default current_timestamp,
    updated_at timestamptz not null default current_timestamp,
    deleted_at timestamptz
);

create table efectivos
(
    id         uuid primary key     default gen_random_uuid(),
    veinte_mil bigint      not null,
    diez_mil   bigint      not null,
    cinco_mil  bigint      not null,
    dos_mil    bigint      not null,
    mil        bigint      not null,
    quinientos bigint      not null,
    cien       bigint      not null,
    cincuenta  bigint      not null,
    diez       bigint      not null,
    caja_id    uuid references cajas,
    created_at timestamptz not null default current_timestamp,
    updated_at timestamptz not null default current_timestamp,
    deleted_at timestamptz
);

create table ventas
(
    id             uuid primary key     default gen_random_uuid(),
    tiempo_venta   timestamptz,
    usuario_id     uuid references usuarios,
    canal_id       uuid references canales_venta,
    restaurante_id uuid references restaurantes,
    medio_pago_id  uuid references medios_pago,
    caja_id        uuid references cajas,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table boletas_electronicas
(
    id             uuid primary key     default gen_random_uuid(),
    numero_boleta  text        not null,
    venta_id       uuid references ventas,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table boletas_exentas
(
    id             uuid primary key     default gen_random_uuid(),
    venta_id       uuid references ventas,
    restaurante_id uuid references restaurantes,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table estados_produccion
(
    id         uuid primary key     default gen_random_uuid(),
    nombre     text        not null,
    created_at timestamptz not null default current_timestamp,
    updated_at timestamptz not null default current_timestamp,
    deleted_at timestamptz
);

create table venta_productos
(
    id             uuid primary key     default gen_random_uuid(),
    tiempo_entrada timestamptz not null,
    tiempo_salida  timestamptz null,
    venta_id       uuid references ventas,
    producto_id    uuid references productos,
    estado_id      uuid references estados_produccion,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table bodega_egresos
(
    unidades       numeric     not null,
    fecha          timestamptz not null,
    ingrediente_id uuid        not null,
    restaurante_id uuid        not null,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

create table bodega_ingresos
(
    unidades       numeric     not null,
    fecha          timestamptz not null,
    ingrediente_id uuid        not null,
    restaurante_id uuid        not null,
    created_at     timestamptz not null default current_timestamp,
    updated_at     timestamptz not null default current_timestamp,
    deleted_at     timestamptz
);

------------------------------------
--- Indexes para todas las referencias
------------------------------------
create index categorias_restaurante_id on categorias (restaurante_id);
create index zonas_produccion_restaurante_id on zonas_produccion (restaurante_id);
create index productores_usuario_id on productores (usuario_id);
create index productores_zona_produccion_id on productores (zona_produccion_id);
create index ingredientes_restaurante_id on ingredientes (restaurante_id);
create index productos_categoria_id on productos (categoria_id);
create index productos_zona_produccion_id on productos (zona_produccion_id);
create index productos_restaurante_id on productos (restaurante_id);
create index proveedores_restaurante_id on proveedores (restaurante_id);
create index compras_proveedor_id on compras (proveedor_id);
create index compras_restaurante_id on compras (restaurante_id);
create index facturas_compra_id on facturas (compra_id);
create index compra_ingredientes_compra_id on compra_ingredientes (compra_id);
create index compra_ingredientes_ingrediente_id on compra_ingredientes (ingrediente_id);
create index sectores_restaurante_id on sectores (restaurante_id);
create index canales_venta_sector_id on canales_venta (sector_id);
create index canales_venta_tipo_canal_id on canales_venta (tipo_canal_id);
create index canales_venta_restaurante_id on canales_venta (restaurante_id);
create index ventas_canal_id on ventas (canal_id);
create index ventas_usuario_id on ventas (usuario_id);
create index ventas_restaurante_id on ventas (restaurante_id);
create index boletas_electronicas_venta_id on boletas_electronicas (venta_id);
create index boletas_electronicas_restaurante_id on boletas_electronicas (restaurante_id);
create index boletas_exentas_venta_id on boletas_exentas (venta_id);
create index boletas_exentas_restaurante_id on boletas_exentas (restaurante_id);
create index venta_productos_venta_id on venta_productos (venta_id);
create index venta_productos_producto_id on venta_productos (producto_id);
create index venta_productos_estado_id on venta_productos (estado_id);
create index bodega_egresos_ingrediente_id on bodega_egresos (ingrediente_id);
create index bodega_egresos_restaurante_id on bodega_egresos (restaurante_id);
create index bodega_ingresos_ingrediente_id on bodega_ingresos (ingrediente_id);
create index bodega_ingresos_restaurante_id on bodega_ingresos (restaurante_id);

------------------------------------
--- Triggers para poblar la bodega
------------------------------------

create or replace function bodega_egresos_trigger_insert_procedure() returns trigger
    language PLPGSQL as
$$
BEGIN
    insert into bodega_egresos (ingrediente_id, unidades, fecha, restaurante_id)
    select recetas.ingrediente_id               as ingrediente_id,
           recetas.unidades                     as unidades,
           date(venta_productos.tiempo_entrada) as fecha,
           ventas.restaurante_id                as restaurante_id
    from ventas
             join venta_productos on ventas.id = venta_productos.venta_id
             join productos on venta_productos.producto_id = productos.id
             join recetas on productos.id = recetas.producto_id
    where venta_productos.id = NEW.id;
    RETURN null;
END;
$$;

create or replace function bodega_egresos_trigger_delete_procedure()
    returns trigger
    language PLPGSQL as
$$
BEGIN
    insert into bodega_egresos (ingrediente_id, unidades, fecha, restaurante_id)
    select recetas.ingrediente_id               as ingrediente_id,
           recetas.unidades * -1                as unidades,
           date(venta_productos.tiempo_entrada) as fecha,
           ventas.restaurante_id                as restaurante_id
    from ventas
             join venta_productos on ventas.id = venta_productos.venta_id
             join productos on venta_productos.producto_id = productos.id
             join recetas on productos.id = recetas.producto_id
    where venta_productos.id = OLD.id;
    RETURN null;
END;
$$;

create or replace function bodega_ingresos_trigger_insert_procedure()
    returns trigger
    language PLPGSQL as
$$
BEGIN
    insert into bodega_ingresos (ingrediente_id, unidades, fecha, restaurante_id)
    select compra_ingredientes.ingrediente_id as ingrediente_id,
           compra_ingredientes.unidades       as unidades,
           compras.fecha_compra               as fecha,
           compras.restaurante_id             as restaurante_id
    from compras
             join compra_ingredientes on compras.id = compra_ingredientes.compra_id
    where compra_ingredientes.id = NEW.id;
    RETURN null;
END;
$$;

create or replace function bodega_ingresos_trigger_delete_procedure()
    returns trigger
    language PLPGSQL as
$$
BEGIN
    insert into bodega_ingresos (ingrediente_id, unidades, fecha, restaurante_id)
    select compra_ingredientes.ingrediente_id as ingrediente_id,
           compra_ingredientes.unidades * -1  as unidades,
           compras.fecha_compra               as fecha,
           compras.restaurante_id             as restaurante_id
    from compras
             join compra_ingredientes on compras.id = compra_ingredientes.compra_id
    where compra_ingredientes.id = OLD.id;
    RETURN null;
END;
$$;

create trigger bodega_egresos_insert_trigger
    after insert
    on venta_productos
    for each row
execute procedure bodega_egresos_trigger_insert_procedure();

create trigger bodega_egresos_delete_trigger
    after update of deleted_at
    on venta_productos
    for each row
execute procedure bodega_egresos_trigger_delete_procedure();

create trigger bodega_ingresos_insert_trigger
    after insert
    on compra_ingredientes
    for each row
execute procedure bodega_ingresos_trigger_insert_procedure();

create trigger bodega_ingresos_delete_trigger
    after update of deleted_at
    on compra_ingredientes
    for each row
execute procedure bodega_ingresos_trigger_delete_procedure();

------------------------------------
--- Views para crear la bodega
------------------------------------

--- View que une el estado de bodega en una sola tabla
create view bodega_movimientos as
select ingrediente_id, unidades * -1 as unidades, fecha, restaurante_id
from bodega_egresos
union all
select ingrediente_id, unidades, fecha, restaurante_id
from bodega_ingresos;

--- View que muestra el estado actual de la bodega por cada ingrediente
create view bodega_actual as
select ingrediente_id as ingrediente_id, sum(unidades) as stock, restaurante_id as restaurante_id
from bodega_movimientos
group by bodega_movimientos.ingrediente_id, bodega_movimientos.restaurante_id;

commit;
