const test = require("node:test");
const assert = require("node:assert/strict");
const {
    applyFormUpdates,
    applyScalarUpdates,
    getEditableSchemaFields,
    parseBatchArrayValue,
    parseSchemaContent,
    parseTopLevelYaml,
    validateParsedConfig
} = require("../src/configValidation");

test("parseSchemaContent should capture nested objects and object-array metadata", () => {
    const schema = parseSchemaContent(`
        {
          "type": "object",
          "required": ["id", "reward", "phases"],
          "properties": {
            "id": {
              "type": "integer",
              "title": "Monster Id",
              "description": "Primary monster key.",
              "default": 1
            },
            "reward": {
              "type": "object",
              "required": ["gold"],
              "properties": {
                "gold": {
                  "type": "integer",
                  "default": 10
                },
                "currency": {
                  "type": "string",
                  "enum": ["coin", "gem"]
                }
              }
            },
            "phases": {
              "type": "array",
              "description": "Encounter phases.",
              "items": {
                "type": "object",
                "required": ["wave"],
                "properties": {
                  "wave": { "type": "integer" },
                  "monsterId": { "type": "string" }
                }
              }
            }
          }
        }
    `);

    assert.equal(schema.type, "object");
    assert.deepEqual(schema.required, ["id", "reward", "phases"]);
    assert.equal(schema.properties.id.defaultValue, "1");
    assert.equal(schema.properties.reward.type, "object");
    assert.deepEqual(schema.properties.reward.required, ["gold"]);
    assert.equal(schema.properties.reward.properties.currency.enumValues[1], "gem");
    assert.equal(schema.properties.phases.type, "array");
    assert.equal(schema.properties.phases.items.type, "object");
    assert.equal(schema.properties.phases.items.properties.wave.type, "integer");
});

test("parseTopLevelYaml should parse nested mappings and object arrays", () => {
    const yaml = parseTopLevelYaml(`
id: 1
reward:
  gold: 10
  currency: coin
phases:
  -
    wave: 1
    monsterId: slime
`);

    assert.equal(yaml.kind, "object");
    assert.equal(yaml.map.get("reward").kind, "object");
    assert.equal(yaml.map.get("reward").map.get("currency").value, "coin");
    assert.equal(yaml.map.get("phases").kind, "array");
    assert.equal(yaml.map.get("phases").items[0].kind, "object");
    assert.equal(yaml.map.get("phases").items[0].map.get("wave").value, "1");
});

test("validateParsedConfig should report missing and unknown nested properties", () => {
    const schema = parseSchemaContent(`
        {
          "type": "object",
          "required": ["reward"],
          "properties": {
            "reward": {
              "type": "object",
              "required": ["gold", "currency"],
              "properties": {
                "gold": { "type": "integer" },
                "currency": { "type": "string" }
              }
            }
          }
        }
    `);
    const yaml = parseTopLevelYaml(`
reward:
  gold: 10
  rarity: epic
`);

    const diagnostics = validateParsedConfig(schema, yaml);

    assert.equal(diagnostics.length, 2);
    assert.match(diagnostics[0].message, /reward\.currency/u);
    assert.match(diagnostics[1].message, /reward\.rarity/u);
});

test("validateParsedConfig should report object-array item issues", () => {
    const schema = parseSchemaContent(`
        {
          "type": "object",
          "properties": {
            "phases": {
              "type": "array",
              "items": {
                "type": "object",
                "required": ["wave", "monsterId"],
                "properties": {
                  "wave": { "type": "integer" },
                  "monsterId": { "type": "string" }
                }
              }
            }
          }
        }
    `);
    const yaml = parseTopLevelYaml(`
phases:
  -
    wave: 1
    hpScale: 1.5
`);

    const diagnostics = validateParsedConfig(schema, yaml);

    assert.equal(diagnostics.length, 2);
    assert.match(diagnostics[0].message, /phases\[0\]\.monsterId/u);
    assert.match(diagnostics[1].message, /phases\[0\]\.hpScale/u);
});

test("validateParsedConfig should report deep enum mismatches", () => {
    const schema = parseSchemaContent(`
        {
          "type": "object",
          "properties": {
            "reward": {
              "type": "object",
              "properties": {
                "currency": {
                  "type": "string",
                  "enum": ["coin", "gem"]
                }
              }
            }
          }
        }
    `);
    const yaml = parseTopLevelYaml(`
reward:
  currency: ticket
`);

    const diagnostics = validateParsedConfig(schema, yaml);

    assert.equal(diagnostics.length, 1);
    assert.match(diagnostics[0].message, /coin, gem/u);
});

test("applyFormUpdates should update nested scalar and scalar-array paths", () => {
    const updated = applyFormUpdates(
        [
            "id: 1",
            "reward:",
            "  gold: 10",
            "phases:",
            "  -",
            "    wave: 1"
        ].join("\n"),
        {
            scalars: {
                "reward.currency": "coin",
                name: "Slime"
            },
            arrays: {
                dropItems: ["potion", "hi potion"]
            }
        });

    assert.match(updated, /^name: Slime$/mu);
    assert.match(updated, /^reward:$/mu);
    assert.match(updated, /^  currency: coin$/mu);
    assert.match(updated, /^dropItems:$/mu);
    assert.match(updated, /^  - potion$/mu);
    assert.match(updated, /^  - hi potion$/mu);
    assert.match(updated, /^phases:$/mu);
});

test("applyScalarUpdates should preserve the scalar-only compatibility wrapper", () => {
    const updated = applyScalarUpdates(
        [
            "id: 1",
            "name: Slime"
        ].join("\n"),
        {
            name: "Goblin",
            hp: "25"
        });

    assert.match(updated, /^name: Goblin$/mu);
    assert.match(updated, /^hp: 25$/mu);
});

test("getEditableSchemaFields should keep batch editing limited to top-level scalar and scalar-array properties", () => {
    const schema = parseSchemaContent(`
        {
          "type": "object",
          "required": ["id", "dropItems"],
          "properties": {
            "id": { "type": "integer" },
            "name": {
              "type": "string",
              "title": "Monster Name",
              "description": "Display name."
            },
            "reward": {
              "type": "object",
              "properties": {
                "gold": { "type": "integer" }
              }
            },
            "dropItems": {
              "type": "array",
              "description": "Drop ids.",
              "items": {
                "type": "string",
                "enum": ["potion", "bomb"]
              }
            },
            "waypoints": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "x": { "type": "integer" }
                }
              }
            }
          }
        }
    `);

    assert.deepEqual(getEditableSchemaFields(schema), [
        {
            key: "dropItems",
            path: "dropItems",
            type: "array",
            itemType: "string",
            title: undefined,
            description: "Drop ids.",
            defaultValue: undefined,
            itemEnumValues: ["potion", "bomb"],
            refTable: undefined,
            inputKind: "array",
            required: true
        },
        {
            key: "id",
            path: "id",
            type: "integer",
            title: undefined,
            description: undefined,
            defaultValue: undefined,
            enumValues: undefined,
            refTable: undefined,
            inputKind: "scalar",
            required: true
        },
        {
            key: "name",
            path: "name",
            type: "string",
            title: "Monster Name",
            description: "Display name.",
            defaultValue: undefined,
            enumValues: undefined,
            refTable: undefined,
            inputKind: "scalar",
            required: false
        }
    ]);
});

test("parseBatchArrayValue should keep comma-separated batch editing behavior", () => {
    assert.deepEqual(parseBatchArrayValue(" potion, bomb ,  ,elixir "), ["potion", "bomb", "elixir"]);
});