"""Default L1/L2/L3 prompt templates."""

from sqlalchemy.orm import Session

from app.prompts.service import PromptService

DEFAULT_TEMPLATES = {
    ("code_review", "L1"): {
        "body": """You are a code reviewer. Review the following code diff and identify any potential bugs or issues.
Only list what is wrong; do not provide locations or fixes.

Language: {{ language }}
Diff:
```
{{ diff }}
```

Report issues as a plain list.""",
        "variables_schema": {
            "language": {"type": "string"},
            "diff": {"type": "string"},
        },
    },
    ("code_review", "L2"): {
        "body": """You are a code reviewer. Review the following code diff and identify potential bugs or issues.
For each issue, provide:
1. The defect type (one line)
2. The line number range where it occurs
3. A brief explanation

Language: {{ language }}
Diff:
```
{{ diff }}
```

Format each issue as:
- Type: <type>
  Lines: <start>-<end>
  Explanation: <explanation>""",
        "variables_schema": {
            "language": {"type": "string"},
            "diff": {"type": "string"},
        },
    },
    ("code_review", "L3"): {
        "body": """You are a code reviewer. Review the following code diff and identify potential bugs or issues.
For each issue, provide:
1. The defect type (one line)
2. The line number range where it occurs
3. A brief explanation
4. A concrete fix suggestion

Language: {{ language }}
Diff:
```
{{ diff }}
```

Format each issue as:
- Type: <type>
  Lines: <start>-<end>
  Explanation: <explanation>
  Fix: <fix>""",
        "variables_schema": {
            "language": {"type": "string"},
            "diff": {"type": "string"},
        },
    },
}


def seed_default_templates(db: Session) -> None:
    service = PromptService(db)
    for (strategy_id, level), data in DEFAULT_TEMPLATES.items():
        existing = service.list_versions(strategy_id, level)
        if existing:
            continue
        service.create_version(
            strategy_id=strategy_id,
            level=level,
            body=data["body"],
            variables_schema=data["variables_schema"],
        )