// vtest retry: 3
import db.sqlite

@[table: 'dynamic_members']
struct DynamicMember {
mut:
    id     int @[primary; sql: serial]
    name   string
    email  string
    age    int
    status string
}

struct DynamicMemberFilter {
    name ?string
}

@[table: 'dynamic_cast_members']
struct DynamicCastMember {
mut:
    id          int @[primary; sql: serial]
    name        string
    is_required u8
}

fn test_dynamic_select_with_inline_where_block() {
    mut db := sqlite.connect(':memory:')!
    defer {
        db.close() or { panic(err) }
    }

    sql db {
        create table DynamicMember
    }!

    first := DynamicMember{
        name:   'Alice'
        email:  '[email protected]'
        age:    31
        status: 'active'
    }
    second := DynamicMember{
        name:   'Bob'
        email:  '[email protected]'
        age:    24
        status: 'pending'
    }
    third := DynamicMember{
        name:   'Alice'
        email:  '[email protected]'
        age:    19
        status: 'inactive'
    }

    sql db {
        insert first into DynamicMember
        insert second into DynamicMember
        insert third into DynamicMember
    }!

    name_filter := 'Alice'
    min_age := 30
    status_filter := ''

    rows := sql db {
        dynamic select from DynamicMember where {
        if name_filter != '' {
            name == name_filter
        },
        if min_age > 0 {
            age >= min_age
        },
        if status_filter != '' {
            status == status_filter
        }
    } order by id
    }!

    assert rows.len == 1
    assert rows[0].name == 'Alice'
    assert rows[0].email == '[email protected]'
    assert rows[0].age == 31

    filter := DynamicMemberFilter{
        name: 'Alice'
    }
    where_expr := {
        if name := filter.name {
            name == name
        }
    }

    guard_rows := sql db {
        dynamic select from DynamicMember where where_expr
    }!

    assert guard_rows.len == 2
}

fn test_dynamic_update_with_alias_set_block() {
    mut db := sqlite.connect(':memory:')!
    defer {
        db.close() or { panic(err) }
    }

    sql db {
        create table DynamicMember
    }!

    member := DynamicMember{
        name:   'Alice'
        email:  '[email protected]'
        age:    31
        status: 'active'
    }

    sql db {
        insert member into DynamicMember
    }!

    id := db.last_id()
    next_name := 'Alicia'
    next_email := ''
    next_status := 'inactive'
    update_expr := {
        if next_name != '' {
            name == next_name
        },
        if next_email != '' {
            email == next_email
        },
        status == next_status
    }

    sql db {
        dynamic update DynamicMember set update_expr where id == id
    }!

    rows := sql db {
        select from DynamicMember where id == id
    }!

    assert rows.len == 1
    assert rows[0].name == next_name
    assert rows[0].email == '[email protected]'
    assert rows[0].status == next_status
}

fn test_dynamic_update_with_alias_set_block_cast_expr() {
    mut db := sqlite.connect(':memory:')!
    defer {
        db.close() or { panic(err) }
    }

    sql db {
        create table DynamicCastMember
    }!

    member := DynamicCastMember{
        name:        'Alice'
        is_required: 0
    }

    sql db {
        insert member into DynamicCastMember
    }!

    id := db.last_id()
    next_name := 'Alicia'
    next_required := true
    filter := DynamicMemberFilter{
        name: next_name
    }
    update_expr := {
        if name := filter.name {
            name == name
        },
        is_required == u8(if next_required { 1 } else { 0 })
    }

    sql db {
        dynamic update DynamicCastMember set update_expr where id == id
    }!

    rows := sql db {
        select from DynamicCastMember where id == id
    }!

    assert rows.len == 1
    assert rows[0].name == next_name
    assert rows[0].is_required == 1
}

fn test_dynamic_select_with_in_operator_and_additional_condition() {
    mut db := sqlite.connect(':memory:')!
    defer {
        db.close() or { panic(err) }
    }

    sql db {
        create table DynamicMember
    }!

    members := [
        DynamicMember{
            name:   'Alice'
            email:  '[email protected]'
            age:    31
            status: 'active'
        },
        DynamicMember{
            name:   'Bob'
            email:  '[email protected]'
            age:    24
            status: 'pending'
        },
        DynamicMember{
            name:   'Charlie'
            email:  '[email protected]'
            age:    29
            status: 'active'
        },
        DynamicMember{
            name:   'Diana'
            email:  '[email protected]'
            age:    35
            status: 'inactive'
        },
        DynamicMember{
            name:   'Eve'
            email:  '[email protected]'
            age:    22
            status: 'pending'
        },
    ]

    for member in members {
        sql db {
            insert member into DynamicMember
        }!
    }

    valid_names := ['Alice', 'Charlie', 'Eve']
    min_age := 25

    rows := sql db {
        dynamic select from DynamicMember where {
        if valid_names.len > 0 {
            name in valid_names
        },
        if min_age > 0 {
            age >= min_age
        }
    } order by id
    }!

    assert rows.len == 2
    assert rows[0].name == 'Alice'
    assert rows[0].age == 31
    assert rows[1].name == 'Charlie'
    assert rows[1].age == 29
}

fn test_dynamic_select_with_explicit_order_by_asc() {
    mut db := sqlite.connect(':memory:')!
    defer {
        db.close() or { panic(err) }
    }

    sql db {
        create table DynamicMember
    }!

    members := [
        DynamicMember{
            name:   'Alice'
            email:  '[email protected]'
            age:    31
            status: 'active'
        },
        DynamicMember{
            name:   'Bob'
            email:  '[email protected]'
            age:    19
            status: 'pending'
        },
        DynamicMember{
            name:   'Charlie'
            email:  '[email protected]'
            age:    44
            status: 'inactive'
        },
    ]

    for member in members {
        sql db {
            insert member into DynamicMember
        }!
    }

    min_age := 19
    // vfmt off
    rows := sql db {
        dynamic select from DynamicMember where {
                if min_age > 0 {
                        age >= min_age
                }
        } order by age asc limit 2
    }!
    // vfmt on

    assert rows.len == 2
    assert rows[0].name == 'Bob'
    assert rows[0].age == 19
    assert rows[1].name == 'Alice'
    assert rows[1].age == 31
}