mod grid_errors;
mod object_placement;
mod player_placement;
mod portal_placement;
mod round_trip;

use crate::board::Board;
use crate::map_file::MapFile;

fn load_board(toml: &str) -> Board {
    let mf: MapFile = toml::from_str(toml).expect("parse toml");
    Board::try_from(mf).expect("convert to board")
}

/// A 3×1 map (`empty` palette `.`) whose grid is `grid`, plus the given
/// `[[objects]]` TOML appended. Keeps placement tests compact.
fn map_3x1(grid: &str, objects: &str) -> String {
    format!(
        r##"
[map]
name = "Test"
width = 3
height = 1
player_start = [2, 0]

[palette]
"." = {{ archetype = "empty", tile = 46, fg = "#000000", bg = "#000000" }}
"#" = {{ archetype = "wall", tile = 35, fg = "#808080", bg = "#606060" }}

[grid]
content = """
{grid}
"""
{objects}
"##
    )
}

/// A standard `[[objects]]` block placed by palette char `ch`.
fn obj_palette(ch: &str, extra: &str) -> String {
    format!(
        "[[objects]]\npalette = \"{ch}\"\ntile = 64\nfg = \"#00FFFF\"\nbg = \"#000000\"\n{extra}"
    )
}

/// A 1-row map of the given `width` with a raw `player_start` TOML value
/// (`start`, e.g. `[1, 0]` or `"@"`), grid, and objects block.
fn player_map(width: usize, start: &str, grid: &str, objects: &str) -> String {
    format!(
        r##"
[map]
name = "Test"
width = {width}
height = 1
player_start = {start}

[palette]
"." = {{ archetype = "empty", tile = 46, fg = "#000000", bg = "#000000" }}
"#" = {{ archetype = "wall", tile = 35, fg = "#808080", bg = "#606060" }}

[grid]
content = """
{grid}
"""
{objects}
"##
    )
}

/// Minimal valid TOML with a configurable grid, used as a base for dimension tests.
fn minimal_toml(width: usize, height: usize, grid_rows: &[&str]) -> String {
    let content = grid_rows.join("\n");
    format!(
        r##"
[map]
name = "Test"
width = {width}
height = {height}
player_start = [0, 0]

[palette]
"." = {{ archetype = "empty", tile = 46, fg = "#000000", bg = "#000000" }}

[grid]
content = """
{content}
"""
"##
    )
}