# -*- coding: utf-8 -*-
"""Helpers for opportunity Bruno .bru generation. Import, don't exec."""
import os

DOCS = 'D:/code/crm-api-docs'

def ensure_dir(p):
    os.makedirs(p, exist_ok=True)

def write_bru(folder_rel, filename, content):
    d = os.path.join(DOCS, folder_rel)
    ensure_dir(d)
    p = os.path.join(d, filename)
    with open(p, 'w', encoding='utf-8', newline='\n') as f:
        f.write(content)
    print(f'  wrote {folder_rel}/{filename}')

def write_folder_bru(folder_rel, name, seq):
    d = os.path.join(DOCS, folder_rel)
    ensure_dir(d)
    p = os.path.join(d, 'folder.bru')
    if os.path.exists(p):
        return
    with open(p, 'w', encoding='utf-8', newline='\n') as f:
        f.write(f'meta {{\n  name: {name}\n  seq: {seq}\n}}\n')
    print(f'  wrote {folder_rel}/folder.bru')

def bru_form(seq, name, method, url, params_rows, docs_body):
    body_kw = 'formUrlEncoded' if method == 'post' else 'none'
    lines = []
    lines.append('meta {')
    lines.append(f'  name: {name}')
    lines.append('  type: http')
    lines.append(f'  seq: {seq}')
    lines.append('  tags: [')
    lines.append('    generated')
    lines.append('  ]')
    lines.append('}')
    lines.append('')
    lines.append(f'{method} {{')
    lines.append(f'  url: {{{{baseUrl}}}}{url}')
    lines.append(f'  body: {body_kw}')
    lines.append('  auth: inherit')
    lines.append('}')
    lines.append('')
    if method == 'post' and params_rows:
        lines.append('body:form-urlencoded {')
        for k, v in params_rows:
            lines.append(f'  {k}: {v}')
        lines.append('}')
        lines.append('')
    elif method == 'get' and params_rows:
        lines.append('params:query {')
        for k, v in params_rows:
            lines.append(f'  {k}: {v}')
        lines.append('}')
        lines.append('')
    lines.append('docs {')
    for line in docs_body.rstrip().split('\n'):
        lines.append(('  ' + line) if line else '')
    lines.append('}')
    return '\n'.join(lines) + '\n'


def build_docs(title, method, path, desc, params_table, req_example, resp_data_table, resp_example_json_or_text, resp_is_text=False):
    lines = []
    lines.append(f'# {title}')
    lines.append(f'`{method} {path}`')
    lines.append(desc)
    lines.append('')
    lines.append('## 请求参数')
    lines.append('')
    if params_table:
        lines.append('| 参数 | 类型 | 必填 | 默认 | 说明 |')
        lines.append('| --- | --- | --- | --- | --- |')
        for name, typ, req, dflt, d in params_table:
            lines.append(f'| {name} | {typ} | {req} | {dflt} | {d} |')
    else:
        lines.append('无参数。')
    lines.append('')
    lines.append('## 请求示例')
    lines.append('')
    for line in req_example.rstrip().split('\n'):
        lines.append(line)
    lines.append('')
    lines.append('## 响应 data 结构')
    lines.append('')
    if resp_data_table is None:
        lines.append('null')
    elif isinstance(resp_data_table, str):
        lines.append(resp_data_table)
    else:
        lines.append('| 字段 | 类型 | 说明 |')
        lines.append('| --- | --- | --- |')
        for f, t, d in resp_data_table:
            lines.append(f'| {f} | {t} | {d} |')
    lines.append('')
    lines.append('## 响应示例')
    lines.append('')
    if resp_is_text:
        lines.append(resp_example_json_or_text)
    else:
        lines.append('// 示例数据，字段结构以上表为准，非真实返回')
        lines.append('```json')
        for line in resp_example_json_or_text.rstrip().split('\n'):
            lines.append(line)
        lines.append('```')
    return '\n'.join(lines)


def env_json(data_literal):
    return (
        '{\n'
        '  "code": 0,\n'
        '  "success": true,\n'
        '  "message": "success",\n'
        f'  "data": {data_literal}\n'
        '}'
    )


def page_json(inner_element_literal, indent_inside='      '):
    """Wrap element literal (indented as body) into PageResult and full envelope.
    inner_element_literal must already be indented so its opening { aligns naturally after '      '.
    Simplest: pass a string that begins right after '      ' indent already applied inside."""
    return env_json(
        '{\n'
        f'    "content": [\n{inner_element_literal}\n    ],\n'
        '    "total": 1,\n'
        '    "size": 10,\n'
        '    "current": 1,\n'
        '    "pages": 1,\n'
        '    "empty": false\n'
        '  }'
    )


def req_form_example(method, path, kv_pairs, public=False):
    header = '请求头：无需鉴权' if public else '请求头：Authorization: Bearer {{token}}'
    body = '&'.join(f'{k}={v}' for k, v in kv_pairs)
    return (
        f'{header}\n'
        f'Content-Type: application/x-www-form-urlencoded\n\n'
        f'{method} {path}\n'
        f'{body}'
    )


def req_query_example(method, path, kv_pairs):
    header = '请求头：Authorization: Bearer {{token}}'
    if kv_pairs:
        qs = '&'.join(f'{k}={v}' for k, v in kv_pairs)
        return f'{header}\n\n{method} {path}?{qs}'
    return f'{header}\n\n{method} {path}'